Model results

METR Time Horizons

Choose a shared evaluation protocol to compare model scores. Versions, sources and configurations stay separate.

Atlas snapshot captured 10/19/2026, 10:20:28 AM UTC. This is an import timestamp, not the evaluation date. Coverage may be incomplete.

Reviewed recommendation and limits

Use as a historical reference for task difficulty measured in human completion time.

Historical time horizon at 50% success, primarily software/ML/security tasks. Imported groups below may use different protocols; this review does not certify each run. Not actively updated after September 8, 2026. Results above 16 human-hours are unreliable for this suite.

Publisher results

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METR Time Horizons

Source: METR via Epoch AI
Version: Not reported
Measurement date: Not reported
Metric: min · Higher is better
Evaluation scope: METR version METR-Horizon-v1.1 · result date not supplied

Positions are withheld because at least one result lacks explicit independent provenance or a documented evaluation scope. Missing metadata is shown as unreported; matching imported metadata is not independent verification of the protocol.

Gemini 3.1 Pro Preview
google/gemini-3.1-pro-preview-20260219
384.15 min
View modelEvidence aggregated
GPT-5.3-Codex
openai/gpt-5.3-codex-20260224
349.53 min
View modelEvidence aggregated
Claude Opus 4.5
anthropic/claude-opus-4-5
292.99 min
View modelEvidence aggregated
GPT-5.1-Codex-Max
openai/gpt-5.1-codex-max-20251204
223.71 min
View modelEvidence aggregated
Claude Opus 4.1
anthropic/claude-opus-4-1
100.47 min
View modelEvidence aggregated
GPT-4o (2024-05-13)
openai/gpt-4o-2024-05-13
6.99 min
View modelEvidence aggregated