Futureproof

US dataswitch to UK

Signal and Track Switch Repairers

inspecting and testing operation, installing, inspecting and tightening loose bolts. If that's your week, this page is about your job.

The honest answer

AI changes the edges of this job, not the middle: driving motor vehicles to job sites is work software can't reach.

Your move: what you can actually do about this ↓

What shifts is recording and reporting information about mileage or tracking. This page scores what today's tools actually do, not headlines.

Your week, as this page understands it

Install, inspect, test, maintain, or repair electric gate crossings, signals, signal equipment, track switches, section lines, or intercommunications systems within a railroad system. The job title says “signal” or “track switch repairers”: officially one job, two names. The real job is the part underneath: driving motor vehicles to job sites. That is the thing someone has to be right about.

The exposed part of this job is specific, and we won’t pretend it is coming back. But signal and track switch repairers is not one task. It is 12 scored ones, and they are nowhere near equally exposed. The most durable of them, on this evidence, is driving motor vehicles to job sites, and the ledger below shows exactly why.

Where the work sits, by task weight

shifting to AI
9%
changing shape
0%
staying human
91%

These bars are tasks changing hands, not people being counted out. The ledger below shows which.

Whole-job exposure score 6 out of 100 (510 allowing for uncertainty): minimal exposure, across 12 scored tasks. The number is the support for the sentence above it, not a headline about anyone’s future.

How we know this

What is measured: Every published task statement for signal and track switch repairers is rated on five dimensions: can a model produce the output, does the work need a body in a room, does it need a legally accountable person, does it depend on a person being trusted in the moment, and how much data exists. A published formula turns those five ratings into the score; the model never writes the number.

How the bar is built: Each task’s share of the bar is its published importance weight, so a task you do all day counts for more than one you do twice a year.

Release: 2026-q4.1, scores computed 2026-08-05. Read the full method.

Your job, task by task

These are the official task statements for this occupation, in plain English, sorted by what the evidence says is happening to each one. The official wording sits under every line so you can check the rewrite against it.

Shifting to AI

1 task

Tasks today’s tools can already do most of. This is the part we will not soften: where these rows are the bulk of your week, the week changes.

  • Recording and reporting information about mileage or tracking

    This is reading one thing and writing another: information in, a record out. That is the shape today's tools are built for.

    importance 4 · Core
    Source:Record and report information about mileage or track inspected, repairs performed, and equipment requiring replacement.” (O*NET task statement)
    How this row was scored

    Exposure score: 61 out of 100 (5765 allowing for uncertainty): high exposure, high confidence.

    Why it sits in this group: reading one thing and writing another; the same decision, made over and over; mistakes that are cheap to catch.

    The rating behind it: Writing up mileage inspected, repairs done and parts needed is routine reporting software handles well.

    The five ratings: output a model can produce 4/4 · needs a body in a room 1/4 · needs an accountable person 1/4 · needs to be trusted in the moment 0/4 · how much data exists 3/4.

Changing shape

0 tasks

Tasks where the machine takes the producing and a person keeps the checking, the deciding, or the answering-for-it. For most jobs this is the biggest group, and it is where "transformation, not termination" is literally visible.

Nothing in this job’s scored task list landed in this group. That is the measurement, not an editorial choice, and it is worth knowing either way.

Staying human

11 tasks

Tasks that stay with a person, because they happen in the physical world, because the rules need someone accountable, or because the value is that a specific person does them.

  • Driving motor vehicles to job sites

    This work happens in the physical world: motor vehicles, in a real place. Software cannot follow it there.

    importance 4 · Core
    Source:Drive motor vehicles to job sites.” (O*NET task statement)
    How this row was scored

    Exposure score: 0 out of 100 (04 allowing for uncertainty): minimal exposure, high confidence.

    Why it sits in this group: work that happens in the physical world.

    The rating behind it: Driving to job sites is physical travel.

    The five ratings: output a model can produce 0/4 · needs a body in a room 4/4 · needs an accountable person 0/4 · needs to be trusted in the moment 0/4 · how much data exists 2/4.

  • Inspecting and testing operation, mechanical parts and circuitry of gate crossings, signals and signal equipment

    This work happens in the physical world: operation, mechanical parts and circuitry of gate crossings, in a real place. Software cannot follow it there.

    importance 4 · Core
    Source:Inspect and test operation, mechanical parts, and circuitry of gate crossings, signals, and signal equipment such as interlocks and hotbox detectors.” (O*NET task statement)
    How this row was scored

    Exposure score: 7 out of 100 (311 allowing for uncertainty): minimal exposure, high confidence.

    Why it sits in this group: work that happens in the physical world.

    The rating behind it: Testing crossing gates, signals and circuits means being trackside with test equipment.

    The five ratings: output a model can produce 1/4 · needs a body in a room 3/4 · needs an accountable person 1/4 · needs to be trusted in the moment 0/4 · how much data exists 2/4.

  • Installing, inspecting, maintaining and repairing various railroad service equipment on the road or in the shop

    This work happens in the physical world: various railroad service equipment, in a real place. Software cannot follow it there.

    importance 4 · Core
    Source:Install, inspect, maintain, and repair various railroad service equipment on the road or in the shop, including railroad signal systems.” (O*NET task statement)
    How this row was scored

    Exposure score: 0 out of 100 (04 allowing for uncertainty): minimal exposure, high confidence.

    Why it sits in this group: work that happens in the physical world.

    The rating behind it: Installing and repairing signal equipment is hands-on engineering work.

    The five ratings: output a model can produce 0/4 · needs a body in a room 4/4 · needs an accountable person 0/4 · needs to be trusted in the moment 0/4 · how much data exists 2/4.

  • Replacing defective wiring, broken lenses or burned-out light bulbs

    This work happens in the physical world: defective wiring, broken lenses or burned-out light bulbs, in a real place. Software cannot follow it there.

    importance 4 · Core
    Source:Replace defective wiring, broken lenses, or burned-out light bulbs.” (O*NET task statement)
    How this row was scored

    Exposure score: 0 out of 100 (04 allowing for uncertainty): minimal exposure, high confidence.

    Why it sits in this group: work that happens in the physical world.

    The rating behind it: Replacing wiring, lenses and bulbs is done by hand on site.

    The five ratings: output a model can produce 0/4 · needs a body in a room 4/4 · needs an accountable person 0/4 · needs to be trusted in the moment 0/4 · how much data exists 2/4.

  • Tightening loose bolts, using wrenches and testing circuits and connections by opening and closing gates

    This work happens in the physical world: loose bolts, in a real place. Software cannot follow it there.

    importance 4 · Core
    Source:Tighten loose bolts, using wrenches, and test circuits and connections by opening and closing gates.” (O*NET task statement)
    How this row was scored

    Exposure score: 0 out of 100 (04 allowing for uncertainty): minimal exposure, high confidence.

    Why it sits in this group: work that happens in the physical world.

    The rating behind it: Tightening bolts and working gates open and closed is manual work.

    The five ratings: output a model can produce 0/4 · needs a body in a room 4/4 · needs an accountable person 0/4 · needs to be trusted in the moment 0/4 · how much data exists 2/4.

  • Testing and repairing track circuits

    This work happens in the physical world: track circuits, in a real place. Software cannot follow it there.

    importance 4 · Core
    Source:Test and repair track circuits.” (O*NET task statement)
    How this row was scored

    Exposure score: 0 out of 100 (04 allowing for uncertainty): minimal exposure, high confidence.

    Why it sits in this group: work that happens in the physical world.

    The rating behind it: Testing and repairing track circuits is done out on the line.

    The five ratings: output a model can produce 0/4 · needs a body in a room 4/4 · needs an accountable person 0/4 · needs to be trusted in the moment 0/4 · how much data exists 2/4.

  • Inspecting, maintaining and replacing batteries

    This work happens in the physical world: batteries, in a real place. Software cannot follow it there.

    importance 4 · Core
    Source:Inspect, maintain, and replace batteries as needed.” (O*NET task statement)
    How this row was scored

    Exposure score: 0 out of 100 (04 allowing for uncertainty): minimal exposure, high confidence.

    Why it sits in this group: work that happens in the physical world.

    The rating behind it: Checking and swapping batteries is physical maintenance work.

    The five ratings: output a model can produce 0/4 · needs a body in a room 4/4 · needs an accountable person 0/4 · needs to be trusted in the moment 0/4 · how much data exists 2/4.

  • Inspecting electrical units of railroad grade crossing gates and repairing loose bolts and defective electrical connections and parts

    This work happens in the physical world: electrical units of railroad grade crossing gates, in a real place. Software cannot follow it there.

    importance 4 · Core
    Source:Inspect electrical units of railroad grade crossing gates and repair loose bolts and defective electrical connections and parts.” (O*NET task statement)
    How this row was scored

    Exposure score: 0 out of 100 (04 allowing for uncertainty): minimal exposure, high confidence.

    Why it sits in this group: work that happens in the physical world.

    The rating behind it: Tightening bolts and fixing electrical connections on a crossing gate is manual repair work.

    The five ratings: output a model can produce 0/4 · needs a body in a room 4/4 · needs an accountable person 0/4 · needs to be trusted in the moment 0/4 · how much data exists 2/4.

  • Cleaning lenses of lamps with cloths and solvents

    This work happens in the physical world: lenses of lamps, in a real place. Software cannot follow it there.

    importance 4 · Core
    Source:Clean lenses of lamps with cloths and solvents.” (O*NET task statement)
    How this row was scored

    Exposure score: 0 out of 100 (04 allowing for uncertainty): minimal exposure, high confidence.

    Why it sits in this group: work that happens in the physical world.

    The rating behind it: Cleaning lamp lenses with cloth and solvent is manual work.

    The five ratings: output a model can produce 0/4 · needs a body in a room 4/4 · needs an accountable person 0/4 · needs to be trusted in the moment 0/4 · how much data exists 2/4.

Show the other 2 tasks
  • Inspecting switch-controlling mechanisms on trolley wires and in track beds

    staying human

    This work happens in the physical world: mechanisms, in a real place. Software cannot follow it there.

    importance 4 · Core
    Source:Inspect switch-controlling mechanisms on trolley wires and in track beds, using hand tools and test equipment.” (O*NET task statement)
    How this row was scored

    Exposure score: 0 out of 100 (04 allowing for uncertainty): minimal exposure, high confidence.

    Why it sits in this group: work that happens in the physical world.

    The rating behind it: Inspecting switch mechanisms in track beds means kneeling at the track with tools.

    The five ratings: output a model can produce 0/4 · needs a body in a room 4/4 · needs an accountable person 0/4 · needs to be trusted in the moment 0/4 · how much data exists 2/4.

  • Lubricating moving parts on gate-crossing mechanisms and swinging signals

    staying human

    This work happens in the physical world: parts, in a real place. Software cannot follow it there.

    importance 4 · Core
    Source:Lubricate moving parts on gate-crossing mechanisms and swinging signals.” (O*NET task statement)
    How this row was scored

    Exposure score: 0 out of 100 (04 allowing for uncertainty): minimal exposure, high confidence.

    Why it sits in this group: work that happens in the physical world.

    The rating behind it: Greasing moving parts on gate mechanisms is hands-on.

    The five ratings: output a model can produce 0/4 · needs a body in a room 4/4 · needs an accountable person 0/4 · needs to be trusted in the moment 0/4 · how much data exists 2/4.

What this job pays, and how many people do it

Median pay
$92,460a year, the middle of the range, so half earn more and half earn less.bls-oews, 2025 · May 2025 estimates (national_M2025_dl.xlsx)
How we know this

Source: bls-oews

Reference period: May 2025 estimates (national_M2025_dl.xlsx)

Rounding: Shown as published.

People doing this job
8,720in the US, 2025.bls-oews · May 2025 estimates (national_M2025_dl.xlsx)

What is deliberately not here: a forecast of how many of these jobs exist in ten years. Where an official projection exists for a market we publish it with its vintage; where it does not, we leave the space empty rather than borrow the other country’s number.

Why this is shifting

The reason is boringly specific. Most of what is shifting here is reading one thing and writing another: information in, a record out. The rows above are exactly that shape: recording and reporting information about mileage or tracking. What it cannot do is be there in the room, and that is still where motor vehicles get done. Which is why this page talks about your tasks changing, not your job ending.

Your move

Over a pint: what I’d tell you if you were my friend

Start with what does not change: driving motor vehicles to job sites is the middle of this job, and the evidence on this page says it stays with a person.

So, given all that: 9% of this job's task weight sits in rows the software is already learning, 0% in rows that change shape rather than disappear, and 91% in rows it is nowhere near. That is the position, measured across 12 scored tasks. It is not a forecast about you.

So the thing worth your attention is not the job going away. It is the layer around it. Recording and reporting information about mileage or tracking is the part turning into software, and being the person who understands that layer is worth money.

This week: one thing

Ask the one question. Find whoever is bringing new software into your workplace (the manager, the office, whoever runs the system) and ask them what it is meant to do to information, and what it is not meant to touch. Ten minutes, this week, before anyone decides it for you.

What you end up holding
a straight answer about what is actually being rolled out, and when
How long it takes
ten minutes

If there’s nobody obvious to ask, or you’d rather not ask your manager: Put the same question to your union rep, your shift lead or the person who has been there longest, in person, over a break. Same ten minutes, same answer, and you will usually get a straighter one. Write down what they say. The note is the artifact, and it tells you whether motor vehicles are in scope or not. Nothing to log into, no license needed.

Over the next 90 days

Get inside the tool rollout rather than waiting for it. Over the next ninety days, ask to be in the group that tests, checks or signs off whatever new system arrives near driving motor vehicles to job sites. It is usually an unglamorous seat that nobody fights for, and it is the one that decides how the software is used on your job rather than to it.

Over the next 12 months

On this evidence I would not retrain out of this job, and I will say that plainly rather than hedge it. The task list here is dominated by work that stays with a person. What I would do with a year is get formally recognised for the layer around it (the systems, the compliance, the planning), so you are the one who understands the software instead of the one it is done to. Before you pay for anything, use CareerOneStop - Find local training. It is free, it is the Labor Department's own service, and it is listed below with the rest of the free routes.

The roads out of here, and why I am not sending you down them

I looked at the obvious moves out of this job, and here is what I found.

I checked the 12 nearest US occupations to signal and track switch repairers (nearest by the work that AI is not taking, not by job title), and none of them survived. The closest was electric motor, power tool, and related repairers: only about 4% of its durable work is work you already do and it pays 39.2% less. And on the numbers you do not need one. This job scores 6/100 here, with only 9% of the task list in the top band, and “drive motor vehicles to job sites” is not work that hands over cleanly. None of them beats deepening what you already have.

How that was checked: this job was compared against all 830 US occupations in this release on their official task statements, and the 12 nearest were examined one by one. A move that turns on an industry, an employer or a qualification rather than on the work itself will not show up in a check like that. And this release carries no licence register, so anything you are weighing needs that looked up separately.

3 moves I checked and rejected

These are the obvious-looking jumps. They are here with their reasons rather than quietly dropped, because the ones that fail are worth knowing about. It is one less thing to turn over at night.

  • Electric Motor, Power Tool, and Related Repairers

    Why it looked obvious: It came up as a near neighbour because one of your tasks is on their list in the same words: “lubricate moving parts on gate-crossing mechanisms and swinging signals”. Across the whole of both lists that adds up to about 4% of the work in that job the software is not taking.

    Why I am not recommending it: Almost none of it is work you already do: about 4% of the durable side of that job. That is a different job, not a next step. It is a pay cut, in those words: $56,210 against your $92,460, 39.2% less (OEWS May 2025 (both)). Retraining to earn less is a decision, not advice.

    Look at that job’s page anyway →

  • Rail-Track Laying and Maintenance Equipment Operators

    Why it looked obvious: It came up as a near neighbour on the work AI is not taking: you already test and repair track circuits, and their equivalent is to repair or adjust track switches, using wrenches and replacement parts. Across both published task lists that is about 3% of the durable work in that job.

    Why I am not recommending it: Almost none of it is work you already do: about 3% of the durable side of that job. That is a different job, not a next step. It is a pay cut, in those words: $70,070 against your $92,460, 24.2% less (OEWS May 2025 (both)). Retraining to earn less is a decision, not advice.

    Look at that job’s page anyway →

  • Telecommunications Equipment Installers and Repairers, Except Line Installers

    Why it looked obvious: It came up as a near neighbour on the work AI is not taking: you already drive motor vehicles to job sites, and their equivalent is to clean and maintain tools, test equipment, and motor vehicles. Across both published task lists that is about 2% of the durable work in that job.

    Why I am not recommending it: Almost none of it is work you already do: about 2% of the durable side of that job. That is a different job, not a next step. It is a pay cut, in those words: $63,890 against your $92,460, 30.9% less (OEWS May 2025 (both)). Retraining to earn less is a decision, not advice.

    Look at that job’s page anyway →

What I’d stop worrying about

A friend tells you what not to spend fear on. This is that list.

  • The headline number you read somewhere

    The big “X% of jobs” figures are about the whole economy, not about you. The number that describes your job is on this page: 9% of its task weight, across 12 scored tasks. Every row behind it is printed above with the source. Check ours; ignore theirs.

  • The headlines about your trade disappearing

    They are usually about the technology, not the timetable. Changes to work like driving motor vehicles to job sites arrive through rules, insurance and money, slowly and visibly. This page tracks the task evidence and will move when it moves.

  • Retraining out of a job that is holding up

    On this evidence I would not spend money leaving. Spend it on the layer around the job instead: the tools, the paperwork, the planning. That is where the change actually is.

  • The “obvious” next job everyone suggests

    I checked the obvious moves and most of them did not survive. The reasons are printed with the routes above, including the pay and the gate. A move that fails on the numbers is worth knowing about so you can stop turning it over at night.

You are reading the United States figures

The United Kingdom splits this work across more than one official group, of which Electricians and electrical fitters is the closest. The pay and employment figures are not directly comparable, and we do not average them together.

Switch to the United Kingdom page →partial match

In UK official statistics this job is counted as Electricians and electrical fitters, Electrical service and maintenance mechanics and repairers and Electrical engineers. Pay is shown separately for each of those groups (medians cannot be averaged together), while the task list and the scores on this page are for this group only.

Your route through this

Where to go next, and what it costs

Free, and complete

The moves above cost nothing. These are the real services that go with them: public, government-funded, and free at the point of use. Nothing on this page is behind an email address or a payment.

No Space for this job, but one for what is happening to it

Nothing Collab365 runs is built for signal / track switch repairers, and we are not going to point you at the nearest one and call it a fit.

There is one that is not about a job title at all. The AI Authority is about being the person who directs these tools at work rather than the person they get compared to. That is worth saying here, because 9% of the work on this page is already inside what they can do.

Try The AI Authority free

7 days free, no card needed. Explore up to 2 Spaces before you choose a plan: you pick a plan later, not now.

The AI Authority is a general community about working with AI, not a course for signal / track switch repairers. You do not need it to act on anything here: the moves above cost nothing and stand on their own. The data on this page is the same either way.

Noted, and thank you. We’ll email you if a Space for signal / track switch repairers launches. Nothing else.

That did not look like an email address, so nothing was saved. Have another go below.

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No Space for signal / track switch repairers yet. Should there be one?

Collab365 Spaces is built by the same people as this site. We find the problems that AI and automation are creating inside one kind of work, then solve them as short courses, briefings and Blueprints. Each Space is the community too, so the research and the people doing your job are in the same place.

What a Space actually is, in full

Collab365 launches new communities where the need is real. If one for signal / track switch repairers existed, with researched problems, courses and people in the same boat, would you want in?

We use your email address for one thing: to tell you if a Space for signal / track switch repairers launches. We never sell it, never use it for unrelated marketing, and every email has a one-click unsubscribe. Our privacy policy has the full version.

This unlocks nothing. Every figure, every row and every step on this page is already yours, whether you fill this in or not.

No deadline on any of this. The page will still be here, and the data is refreshed on a published schedule rather than when someone wants a headline.

Questions people ask about this job

Will AI replace Signal and Track Switch Repairers?
Not as a job, but it is already doing parts of the work. Across the 12 official task statements scored for Signal and Track Switch Repairers (United States, SOC 49-9097), 9% of the importance-weighted core work is made of tasks today's AI could already do most of. The overall exposure score is 6 out of 100 (range 5–10, band: minimal). That is a statement about tasks, not about headcount: this measures what AI could do, not whether any employer adopts it, whether the law allows it, or whether doing the routine parts faster creates more demand for the human parts. Figures are from release 2026-q4.1.
Which tasks in “Signal and Track Switch Repairers” can AI already do?
The highest-scoring tasks in release 2026-q4.1 are: “Record and report information about mileage or track inspected, repairs performed, and equipment requiring replacement” (61/100, high); “Inspect and test operation, mechanical parts, and circuitry of gate crossings, signals, and signal equipment such as interlocks and hotbox detectors” (7/100, minimal); “Install, inspect, maintain, and repair various railroad service equipment on the road or in the shop, including railroad signal systems” (0/100, minimal). Each score comes from five published 0–4 ratings turned into a number by a published formula, and each carries the model's one-sentence reason on the page.
Which tasks in “Signal and Track Switch Repairers” stay human?
About 91% of this job's task weight sits in work that scores low for AI exposure. The lowest-scoring tasks in release 2026-q4.1 are: “Test and repair track circuits” (0/100, minimal); “Clean lenses of lamps with cloths and solvents” (0/100, minimal); “Lubricate moving parts on gate-crossing mechanisms and swinging signals” (0/100, minimal). Low scores usually mean the task needs a body in a room, a legally accountable human, or trust built in real time. Those are the three things the scoring rubric treats as gates rather than obstacles.
What should someone working in “Signal and Track Switch Repairers” do about AI?
Start from the ledger rather than the headline: 9% of this job's weighted core work is exposed, and roughly 91% is not. The practical move is to spend more of your week on the tasks that score low, the ones above, and to get fluent at directing AI through the tasks that score high, because those are the parts that change whether or not you are ready for them. This page does not predict your job, and nothing here is career advice tailored to you: the score describes the occupation, not the person.
How is the AI exposure score for Signal and Track Switch Repairers calculated?
Each official task statement for the occupation is rated on five published 0–4 dimensions (output replicability, physical embodiment, licensed accountability, real-time human trust, and data availability) by claude-opus-5 using scoring prompt task_scoring_v1.0. The model never writes the score; a published formula turns the five ratings into a 0–100 number, so every score can be recomputed by hand. The occupation figure is the importance-weighted mean across 12 scored tasks. The prompt, the rubric, the formula and the full dataset are published at https://futureproof.collab365.com/method and https://futureproof.collab365.com/data/2026-q4.1 under CC BY 4.0.

Where these numbers come from

Worth knowing about these figures

  • The match between this job and its counterpart in the other country is partial, so the two pages count slightly different groups of people.
  • Task clusters are not derived in this release, so the task-cluster field is empty and no Collab365 Space routing is attached to this occupation yet.
Task statements
onet-dbProcessing: catalogue-bridge → onet-im-rt-weighting → task-scoring → score-aggregation
Task weights
onet-db (im-rt)
Scores
Rubric task_scoring_v1.0, model claude-opus-5, computed 2026-08-05.
Pay and employment
bls-oews (May 2025 estimates (national_M2025_dl.xlsx))bls-oews (May 2025 estimates (national_M2025_dl.xlsx))

Figures on this page come from release 2026-q4.1, published 2026-08-05. Every release keeps its own permanent address, so a figure you cite in March is still there, unchanged, in November.

The plain-English wording on this page is assembled directly from the task statements and the published ratings, not written by hand for this occupation. That is why it is specific, and it is also why we say so.

The routes and free resources further up are today’s, not the release’s (last reviewed 2026-08-05). A route is an offer, not a historical fact, so it moves on its own clock.

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Using these figures?

Cite this

Everything on this site is published under CC BY 4.0. Quote it, chart it, sell something built on it. Just say where it came from, and cite the dated release rather than the site, so the figure you quote stays checkable.

Plain text

Collab365 (2026). Collab365 Futureproof: task-level AI exposure for US and UK occupations, release 2026-q4.1 (methodVersion 2.0.0, promptVersion task_scoring_v1.0). https://futureproof.collab365.com/data/2026-q4.1. Licensed CC BY 4.0. Built with O*NET data (USDOL/ETA, CC BY 4.0); ONS data (Open Government Licence v3.0); GAISI task framework (arXiv:2507.22748, MIT); BLS data (public domain).

BibTeX

@misc{collab365futureproof2026q41,
  title        = {Collab365 Futureproof: task-level AI exposure for US and UK occupations, release 2026-q4.1},
  author       = {{Collab365}},
  year         = {2026},
  url          = {https://futureproof.collab365.com/data/2026-q4.1},
  note         = {Release 2026-q4.1, methodVersion 2.0.0, promptVersion task_scoring_v1.0, CC BY 4.0}
}

Data as of release 2026-q4.1, published . Releases never change after publication; when the figures move, a new dated release is published beside this one and this one stays exactly where it is.