organizational research article

Time Horizon 1.1

METR · Published 2026-01-29

Evidence from this source

Results and research linked to this document
Type	Evidence
Result	Task-completion time horizons · Claude Opus 4.5 / METR horizon evaluation Source details Appendix: Changes to Model Horizon Estimates
Result	Task-completion time horizons · Claude Opus 4.5 / METR horizon evaluation Source details Appendix: Changes to Model Horizon Estimates
Result	Task-completion time horizons · GPT-5 / METR horizon evaluation Source details Appendix: Changes to Model Horizon Estimates
Result	Task-completion time horizons · GPT-5 / METR horizon evaluation Source details Appendix: Changes to Model Horizon Estimates
Result	Task-completion time horizons · Claude Opus 4 / METR horizon evaluation Source details Appendix: Changes to Model Horizon Estimates
Result	Task-completion time horizons · Claude Opus 4 / METR horizon evaluation Source details Appendix: Changes to Model Horizon Estimates
Result	Task-completion time horizons · o3 / METR horizon evaluation Source details Appendix: Changes to Model Horizon Estimates
Result	Task-completion time horizons · o3 / METR horizon evaluation Source details Appendix: Changes to Model Horizon Estimates
Result	Task-completion time horizons · Claude 3.7 Sonnet / METR horizon evaluation Source details Appendix: Changes to Model Horizon Estimates
Result	Task-completion time horizons · Claude 3.7 Sonnet / METR horizon evaluation Source details Appendix: Changes to Model Horizon Estimates
Result	Task-completion time horizons · GPT-5.1-codex-max / METR horizon evaluation Source details Appendix: Changes to Model Horizon Estimates table
Result	Task-completion time horizons · Claude Sonnet 4.5 / METR horizon evaluation Source details Appendix: Changes to Model Horizon Estimates table
Result	Task-completion time horizons · Claude Opus 4.1 / METR horizon evaluation Source details Appendix: Changes to Model Horizon Estimates table
Result	Task-completion time horizons · Grok 4 / METR horizon evaluation Source details Appendix: Changes to Model Horizon Estimates table
Result	Task-completion time horizons · Claude Sonnet 4 / METR horizon evaluation Source details Appendix: Changes to Model Horizon Estimates table
Result	Task-completion time horizons · GPT-4 1106 / METR horizon evaluation Source details Appendix: Changes to Model Horizon Estimates table
Result	Task-completion time horizons · GPT-4 0314 / METR horizon evaluation Source details Appendix: Changes to Model Horizon Estimates table
Result	Task-completion time horizons · GPT-4 1106 / METR horizon evaluation Source details Appendix: Changes to Model Horizon Estimates table
Result	Task-completion time horizons · GPT-4 0314 / METR horizon evaluation Source details Appendix: Changes to Model Horizon Estimates table
Benchmark	Task-completion time horizons Source details Task-suite changes; Appendix: Changes to Model Horizon Estimates
Paper / report	Time Horizon 1.1 Source details Primary publication source

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Source ID: src-th11
Source type: Primary
Original URL: https://metr.org/blog/2026-1-29-time-horizon-1-1/
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Retrieved: 2026-09-26T04:47:27Z
Document fingerprint: 4c76602bcdc168fa395218ec0bd0e893796852092e47e84503107e0df86d3b9d
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2026-09-26T04:47:27Z · success: Original source inspected by Codex; extraction check, not experimental replication.