Best AI time horizon by February 2026, per METR?
63
Ṁ2000Ṁ46k
Apr 30
0.5%
<2 hours
0.7%
2 to 4 hours
55%
4 to 6 hours
24%
6 to 8 hours
12%
8 to 16 hours
8%
>=16 hours

This market will resolve to the highest 50% time horizon, as reported by METR as of April 30, 2026, for any AI model released by February 28, 2026.

50% time horizon is a measure of AI autonomy based on the length of tasks that AI can do: roughly, it is the time that humans take to complete tasks that an AI system can successfully do 50% of the time. See METR's "Measuring AI Ability to Complete Long Tasks" for the technical definition. Claude 3.7 Sonnet, released in February 2025, was the leading model with a 50% horizon of 59 minutes.

Left bounds inclusive, right bounds exclusive.

Time horizon could vary based on the set of tasks used to measure it, so this market will be based on the time horizon for the most comprehensive set of tasks reported by METR (as of 2025, largely software and engineering tasks). This will be ambiguous if METR stops publishing time horizons across all of their autonomy tasks and only publishes separate results for different subsets; I might N/A in that scenario.

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The members of the AI futures project have given an update and they appear to now be relying on the 80% time horizon length graph from METR for their predictions rather than the 50% time horizon length graph. This implies that a 50% time horizon is not enough. While I think markets for 50% time horizons are useful, I now think that more attention needs to be paid to 80% time horizon lengths. I am planning to create markets for 80% time horizons either tonight or some other time this week unless someone beats me to it.

Has METR said anything about how long their tasks even go up to? Or are they just arbitrarily adding tasks as the models improve

@HenryE when they measure time horizon via "pass if any agent solved the task across all their runs" they got 16 hours. This was after removing a few problematic tasks so it's higher than the "official" estimate would be, unless they formally relaunch their task suite with those tasks removed.

bought Ṁ50 NO

@JoshYou <2 hours can already be resolved to no

@LoweLundin can't resolve one option early on a single-resolution market like this

@JoshYou Ah, sorry!

opened a Ṁ10,000 YES at 30% order

jim order up for the ">=16 hours" option

@jacksonpolack , @Bayesian , @SemioticRivalry , @Velaris , @khang2009 , @Gen , @skibidist , @evan , @brod , @100Anonymous , @Ziddletwix ,, @Trazyn , @bagelfan , @geuber , @nikki , @ProjectVictory , @sahaj , @bohaska , @Odoacre

jim orders are large limit orders, generally at better than market prices.

Opt in / opt out thread: https://manifold.markets/post/jim-order-notification-optin-thread

opened a Ṁ25,000 NO at 29% order
boughtṀ25 YES

@JoshYou 6-8 hours is the obvious bet to make based on current trends. I have a couple contrarian jim orders up for longer horizons

If a model is released by February, but is not evaluated, will this market resolve based on its eventual evaluation? Or does this market only deal with evaluations carried out prior to February?

@jim it resolves to the highest score as of April 30, 2026 of any model released by February

opened a Ṁ500 NO at 9% order

My guess is that the time horizon will be 24 hours.

sold Ṁ4 YES

I'm not sure exactly what value I would use for o3 for the purpose of this market, but it appears to be around 100 minutes. METR also says o3 has an 1.8x longer time horizon than Claude 3.7 on HCAST, which makes up the majority of their task suite.

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