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Risk questions

Autonomy

When can an agent pursue consequential actions beyond intended direction or resist intervention?

Sources and provenance ↓

PUBLISHED EVIDENCE

METR Time Horizons · 50% task-completion horizon

Published measurements across source reports. Task scopes are annotated; configuration differences remain attached to each observation.

26 observations · 21 dated

● Matched◇ Configuration differs□ Some conditions undisclosed
50% task-completion horizon (min) · log scale Model public release date 1 10 100 1,000 10,000 2023-07 2024-07 2025-07 2024-01 2025-01 2026-01 16 hours · measurement limit

5 observations lack a verified model release date. They remain in Data and Systems.

Select a point or table row to inspect its conditions and provenance.

26 observations

Measurements and source conditions
System / modelResultCondition statusTask / conditionsEvaluator / reportDates
Claude Mythos Preview (early) · METR scaffoldClaude Mythos Preview (early)1,044.78 min50% task-completion horizonSource 95% CI [508.876789, 3304.261235] minIncompleteMETR-Horizon-v1.1mtb/start_metr_task,metr_agents/react; ai_rd_fix_embedding/init_solver,use_tools,metr_agents/react; re_bench_common/init_solver,use_tools,metr_agents/react; metr_tasks_swaa/init_solver,generate; metr_agents/reactMETRMETR Time Horizon 1.1 — source dataRelease —Report —
Claude Opus 4.6 · METR scaffoldClaude Opus 4.6718.81 min50% task-completion horizonSource 95% CI [316.685725, 3633.786163] minIncompleteMETR-Horizon-v1.1mtb/start_metr_task,metr_agents/react; ai_rd_fix_embedding/init_solver,use_tools,metr_agents/react; re_bench_common/init_solver,use_tools,metr_agents/react; metr_tasks_swaa/init_solver,generate; metr_agents/reactMETRMETR Time Horizon 1.1 — source dataRelease 2026-02-05Report —
Gemini 3.1 Pro · METR scaffoldGemini 3.1 Pro384.15 min50% task-completion horizonSource 95% CI [233.50073, 694.750898] minIncompleteMETR-Horizon-v1.1mtb/start_metr_task,triframe_inspect/triframe_agent; ai_rd_fix_embedding/init_solver,use_tools,triframe_inspect/triframe_agent; re_bench_common/init_solver,use_tools,triframe_inspect/triframe_agent; metr_tasks_swaa/init_solver,generate; triframe_inspect/triframe_agentMETRMETR Time Horizon 1.1 — source dataRelease 2026-02-19Report —
GPT-5.2 · METR scaffoldGPT-5.2352.25 min50% task-completion horizonSource 95% CI [198.067494, 815.177445] minIncompleteMETR-Horizon-v1.1mtb/start_metr_task,triframe_inspect/triframe_agent; ai_rd_fix_embedding/init_solver,use_tools,triframe_inspect/triframe_agent; re_bench_common/init_solver,use_tools,triframe_inspect/triframe_agent; metr_tasks_swaa/init_solver,generate; triframe_inspect/triframe_agentMETRMETR Time Horizon 1.1 — source dataRelease 2025-12-11Report —
GPT-5.3-Codex · METR scaffoldGPT-5.3-Codex349.53 min50% task-completion horizonSource 95% CI [194.913134, 816.351994] minIncompleteMETR-Horizon-v1.1mtb/start_metr_task,triframe_inspect/triframe_agent; ai_rd_fix_embedding/init_solver,use_tools,triframe_inspect/triframe_agent; re_bench_common/init_solver,use_tools,triframe_inspect/triframe_agent; metr_tasks_swaa/init_solver,generate; triframe_inspect/triframe_agentMETRMETR Time Horizon 1.1 — source dataRelease 2026-02-05Report —
GPT-5.4 · METR scaffoldGPT-5.4341.74 min50% task-completion horizonSource 95% CI [186.581591, 768.779526] minIncompleteMETR-Horizon-v1.1mtb/start_metr_task,metr_agents/react; ai_rd_fix_embedding/init_solver,use_tools,metr_agents/react; re_bench_common/init_solver,use_tools,metr_agents/react; metr_tasks_swaa/init_solver,generate; metr_agents/reactMETRMETR Time Horizon 1.1 — source dataRelease 2026-03-05Report —
Claude Opus 4.5 · METR scaffoldClaude Opus 4.5292.99 min50% task-completion horizonSource 95% CI [161.717714, 623.704698] minIncompleteMETR-Horizon-v1.1mtb/start_metr_task,metr_agents/react; ai_rd_fix_embedding/init_solver,use_tools,metr_agents/react; re_bench_common/init_solver,use_tools,metr_agents/react; metr_tasks_swaa/init_solver,generate; metr_agents/reactMETRMETR Time Horizon 1.1 — source dataRelease 2025-11-24Report —
Gemini 3 Pro · METR scaffoldGemini 3 Pro224.33 min50% task-completion horizonSource 95% CI [139.565157, 379.235434] minIncompleteMETR-Horizon-v1.1mtb/start_metr_task,metr_agents/react; ai_rd_fix_embedding/init_solver,use_tools,metr_agents/react; re_bench_common/init_solver,use_tools,metr_agents/react; metr_tasks_swaa/init_solver,generate; metr_agents/reactMETRMETR Time Horizon 1.1 — source dataRelease 2025-11-18Report —
GPT-5.1 Codex Max · METR scaffoldGPT-5.1 Codex Max223.71 min50% task-completion horizonSource 95% CI [134.31077, 396.206723] minIncompleteMETR-Horizon-v1.1mtb/start_metr_task,triframe_inspect/triframe_agent; ai_rd_fix_embedding/init_solver,use_tools,triframe_inspect/triframe_agent; re_bench_common/init_solver,use_tools,triframe_inspect/triframe_agent; metr_tasks_swaa/init_solver,generate; triframe_inspect/triframe_agentMETRMETR Time Horizon 1.1 — source dataRelease 2025-11-19Report —
GPT-5 · METR scaffoldGPT-5203.01 min50% task-completion horizonSource 95% CI [112.641357, 405.551565] minIncompleteMETR-Horizon-v1.1mtb/start_metr_task,triframe_inspect/triframe_agent; ai_rd_fix_embedding/init_solver,use_tools,triframe_inspect/triframe_agent; re_bench_common/init_solver,use_tools,triframe_inspect/triframe_agent; metr_tasks_swaa/init_solver,generate; triframe_inspect/triframe_agentMETRMETR Time Horizon 1.1 — source dataRelease 2025-08-07Report —
o3 · METR scaffoldo3119.73 min50% task-completion horizonSource 95% CI [74.615398, 190.943818] minIncompleteMETR-Horizon-v1.1mtb/start_metr_task,triframe_inspect/triframe_agent; ai_rd_fix_embedding/init_solver,use_tools,triframe_inspect/triframe_agent; re_bench_common/init_solver,use_tools,triframe_inspect/triframe_agent; metr_tasks_swaa/init_solver,generate; triframe_inspect/triframe_agentMETRMETR Time Horizon 1.1 — source dataRelease 2025-04-16Report —
Claude Opus 4.1 · METR scaffoldClaude Opus 4.1100.47 min50% task-completion horizonSource 95% CI [59.272391, 159.451918] minIncompleteMETR-Horizon-v1.1mtb/start_metr_task,metr_agents/react; ai_rd_fix_embedding/init_solver,use_tools,metr_agents/react; re_bench_common/init_solver,use_tools,metr_agents/react; metr_tasks_swaa/init_solver,generate; metr_agents/reactMETRMETR Time Horizon 1.1 — source dataRelease 2025-08-05Report —
Claude Opus 4 · METR scaffoldClaude Opus 4100.37 min50% task-completion horizonSource 95% CI [59.994073, 163.454074] minIncompleteMETR-Horizon-v1.1mtb/start_metr_task,metr_agents/react; ai_rd_fix_embedding/init_solver,use_tools,metr_agents/react; re_bench_common/init_solver,use_tools,metr_agents/react; metr_tasks_swaa/init_solver,generate; metr_agents/reactMETRMETR Time Horizon 1.1 — source dataRelease 2025-05-22Report —
Claude 3.7 Sonnet · METR scaffoldClaude 3.7 Sonnet60.39 min50% task-completion horizonSource 95% CI [33.006168, 104.226017] minIncompleteMETR-Horizon-v1.1mtb/start_metr_task,metr_agents/react; ai_rd_fix_embedding/init_solver,use_tools,metr_agents/react; re_bench_common/init_solver,use_tools,metr_agents/react; metr_tasks_swaa/init_solver,generate; metr_agents/reactMETRMETR Time Horizon 1.1 — source dataRelease 2025-02-24Report —
o1 · METR scaffoldo138.83 min50% task-completion horizonSource 95% CI [21.164512, 64.95249] minIncompleteMETR-Horizon-v1.1mtb/start_metr_task,triframe_inspect/triframe_agent; ai_rd_fix_embedding/init_solver,use_tools,triframe_inspect/triframe_agent; re_bench_common/init_solver,use_tools,triframe_inspect/triframe_agent; metr_tasks_swaa/init_solver,generate; triframe_inspect/triframe_agentMETRMETR Time Horizon 1.1 — source dataRelease 2024-12-05Report —
Claude 3.5 Sonnet (October 2024) · METR scaffoldClaude 3.5 Sonnet (October 2024)20.52 min50% task-completion horizonSource 95% CI [10.144026, 40.82028] minIncompleteMETR-Horizon-v1.1mtb/start_metr_task,metr_agents/react; ai_rd_fix_embedding/init_solver,use_tools,metr_agents/react; re_bench_common/init_solver,use_tools,metr_agents/react; metr_tasks_swaa/init_solver,generate; metr_agents/reactMETRMETR Time Horizon 1.1 — source dataRelease 2024-10-22Report —
o1-preview · METR scaffoldo1-preview20.33 min50% task-completion horizonSource 95% CI [11.716193, 33.379877] minIncompleteMETR-Horizon-v1.1duetMETRMETR Time Horizon 1.1 — source dataRelease 2024-09-12Report —
Claude 3.5 Sonnet (June 2024) · METR scaffoldClaude 3.5 Sonnet (June 2024)11.4 min50% task-completion horizonSource 95% CI [5.489734, 22.384214] minIncompleteMETR-Horizon-v1.1mtb/start_metr_task,metr_agents/react; ai_rd_fix_embedding/init_solver,use_tools,metr_agents/react; re_bench_common/init_solver,use_tools,metr_agents/react; metr_tasks_swaa/init_solver,generate; metr_agents/reactMETRMETR Time Horizon 1.1 — source dataRelease 2024-06-20Report —
GPT-4o · METR scaffoldGPT-4o6.99 min50% task-completion horizonSource 95% CI [4.001482, 12.905741] minIncompleteMETR-Horizon-v1.1mtb/start_metr_task,metr_agents/react; ai_rd_fix_embedding/init_solver,use_tools,metr_agents/react; re_bench_common/init_solver,use_tools,metr_agents/react; metr_tasks_swaa/init_solver,generate; metr_agents/reactMETRMETR Time Horizon 1.1 — source dataRelease 2024-05-13Report —
GPT-4 November 2023 · METR scaffoldGPT-4 November 20234.04 min50% task-completion horizonSource 95% CI [1.866859, 8.443226] minIncompleteMETR-Horizon-v1.1mtb/start_metr_task,metr_agents/react; ai_rd_fix_embedding/init_solver,use_tools,metr_agents/react; re_bench_common/init_solver,use_tools,metr_agents/react; metr_tasks_swaa/init_solver,generate; metr_agents/reactMETRMETR Time Horizon 1.1 — source dataRelease 2023-11-06Report —
GPT-4 · METR scaffoldGPT-43.99 min50% task-completion horizonSource 95% CI [1.93292, 7.995283] minIncompleteMETR-Horizon-v1.1modular-publicMETRMETR Time Horizon 1.1 — source dataRelease 2023-03-14Report —
Claude 3 Opus · METR scaffoldClaude 3 Opus3.95 min50% task-completion horizonSource 95% CI [1.706313, 8.76484] minIncompleteMETR-Horizon-v1.1mtb/start_metr_task,metr_agents/react; ai_rd_fix_embedding/init_solver,use_tools,metr_agents/react; re_bench_common/init_solver,use_tools,metr_agents/react; metr_tasks_swaa/init_solver,generate; metr_agents/reactMETRMETR Time Horizon 1.1 — source dataRelease 2024-03-04Report —
GPT-4 Turbo · METR scaffoldGPT-4 Turbo3.73 min50% task-completion horizonSource 95% CI [1.980046, 6.736613] minIncompleteMETR-Horizon-v1.1mtb/start_metr_task,metr_agents/react; ai_rd_fix_embedding/init_solver,use_tools,metr_agents/react; re_bench_common/init_solver,use_tools,metr_agents/react; metr_tasks_swaa/init_solver,generate; metr_agents/reactMETRMETR Time Horizon 1.1 — source dataRelease —Report —
GPT-3.5 Turbo Instruct · METR scaffoldGPT-3.5 Turbo Instruct0.6 min50% task-completion horizonSource 95% CI [0.255148, 1.115905] minIncompleteMETR-Horizon-v1.1modular-publicMETRMETR Time Horizon 1.1 — source dataRelease —Report —
GPT-3 davinci-002 · METR scaffoldGPT-3 davinci-0020.14 min50% task-completion horizonSource 95% CI [0.093319, 0.221209] minIncompleteMETR-Horizon-v1.1modular-publicMETRMETR Time Horizon 1.1 — source dataRelease —Report —
GPT-2 · METR scaffoldGPT-20.05 min50% task-completion horizonSource 95% CI [0.009994, 0.141825] minIncompleteMETR-Horizon-v1.1—METRMETR Time Horizon 1.1 — source dataRelease —Report —

METR Time Horizon 1.1: the source is no longer actively updated (last update: 8 September 2026). Estimates above 16 hours exceed its reliable measurement range.

Next research question

Measure task completion and response to intervention on the same model, configuration and task distribution; identify absent joint measurements before planning experiments.

Explore model evidence →

New research and interpretation

Selected original sections · model-assisted reading; independent review pending. These records add context without changing trend scores.

Scope

Sustained task execution, replication, and resistance to interruption; capability alone is not unauthorized action.

Threat model

A system with tools and access may continue or extend action despite a conflicting instruction or intervention.

Evidence gaps

Controlled tasks do not establish real-world proliferation or loss of control.

Evidence matrix

Rows are research questions; columns show what published evaluations observe. Counts refer to evaluation dossiers, not risk levels.

Autonomy · Evidence matrix
Risk questionsPropensityCapabilityBehavior
Sustained autonomous workHow far can a system carry out multi-step work with limited intervention?—No evidence in the current catalogue6evaluation dossiers—No evidence in the current catalogue
Self-replicationCan a system establish or reproduce an operational instance under specified conditions?—No evidence in the current catalogue2evaluation dossiers—No evidence in the current catalogue
Shutdown resistanceDoes a system act to prevent or bypass an intended shutdown?1evaluation dossiers—No evidence in the current catalogue2evaluation dossiers
Unsanctioned actionWhen does a system take consequential actions outside its assigned authority?2evaluation dossiers—No evidence in the current catalogue1evaluation dossiers

The paths show research relationships, not proven causal chains or a risk score.

Autonomy / Propensity

Sustained autonomous work

How far can a system carry out multi-step work with limited intervention?

Included
Task-horizon and AI R&D evaluations under specified resources.
Does not establish
Task completion does not imply harmful intent or unauthorized deployment.

No evidence in the current catalogue

Autonomy / Capability

Sustained autonomous work

How far can a system carry out multi-step work with limited intervention?

Included
Task-horizon and AI R&D evaluations under specified resources.
Does not establish
Task completion does not imply harmful intent or unauthorized deployment.

6 evaluation dossiers · 36 verified result records

Benchmark · Enabling evidence

METR Time Horizons ↗

The source measures a prerequisite capability; it does not show the risk behavior.

Assessment subject: AI agent completing software tasks under a harness

Evidence relationship: METR time-horizon task distribution

Benchmark · Enabling evidence

RE-Bench ↗

The source measures a prerequisite capability; it does not show the risk behavior.

Assessment subject: AI agent performing ML research engineering tasks

Evidence relationship: arXiv:2411.15114v2, ML R&D tasks

Benchmark · Enabling evidence

PaperBench ↗

Multi-step research replication informs sustained work capacity.

Assessment subject: Research agents

Evidence relationship: arXiv:2504.01848v3, abstract and rubric design

Benchmark · Enabling evidence

TheAgentCompany ↗

The protocol explicitly measures this question or an enabling sub-capability; conclusions retain its stated conditions.

Assessment subject: The model or agent in the stated task configuration.

Evidence relationship: Original protocol method and limitations

Benchmark · Enabling evidence

SWE-Bench Pro ↗

The protocol explicitly measures this question or an enabling sub-capability; conclusions retain its stated conditions.

Assessment subject: The model or agent in the stated task configuration.

Evidence relationship: Original protocol method and limitations

Benchmark · Enabling evidence

PortBench ↗

The protocol explicitly measures this question or an enabling sub-capability; conclusions retain its stated conditions.

Assessment subject: The model or agent in the stated task configuration.

Evidence relationship: Original protocol method and limitations

Autonomy / Behavior

Sustained autonomous work

How far can a system carry out multi-step work with limited intervention?

Included
Task-horizon and AI R&D evaluations under specified resources.
Does not establish
Task completion does not imply harmful intent or unauthorized deployment.

No evidence in the current catalogue

Autonomy / Propensity

Self-replication

Can a system establish or reproduce an operational instance under specified conditions?

Included
Controlled replication tasks and component tests.
Does not establish
Prompted success does not prove spontaneous propagation.

No evidence in the current catalogue

Autonomy / Capability

Self-replication

Can a system establish or reproduce an operational instance under specified conditions?

Included
Controlled replication tasks and component tests.
Does not establish
Prompted success does not prove spontaneous propagation.

2 evaluation dossiers · 7 verified result records

Benchmark · Direct measure

RepliBench ↗

The source directly measures the stated construct under its protocol.

Assessment subject: AI agent completing replication components

Evidence relationship: Task-family definitions in source

Study · Direct measure

Self-Replication ↗

The source directly measures the stated construct under its protocol.

Assessment subject: Prompted model-driven system in a controlled environment

Evidence relationship: arXiv:2412.12140v1, controlled trials

Autonomy / Behavior

Self-replication

Can a system establish or reproduce an operational instance under specified conditions?

Included
Controlled replication tasks and component tests.
Does not establish
Prompted success does not prove spontaneous propagation.

No evidence in the current catalogue

Autonomy / Propensity

Shutdown resistance

Does a system act to prevent or bypass an intended shutdown?

Included
Observed intervention on a shutdown mechanism in a controlled run.
Does not establish
A failed task or ordinary retry is not shutdown resistance.

1 evaluation dossiers · 29 verified result records

Study · Direct measure

Shutdown resistance in reasoning models ↗

Repeated trials support a condition-bounded tendency estimate, not a stable survival motive.

Assessment subject: Tested agent systems

Evidence relationship: Testing shutdown resistance; Figure 2 and follow-up experiments

Autonomy / Capability

Shutdown resistance

Does a system act to prevent or bypass an intended shutdown?

Included
Observed intervention on a shutdown mechanism in a controlled run.
Does not establish
A failed task or ordinary retry is not shutdown resistance.

No evidence in the current catalogue

Autonomy / Behavior

Shutdown resistance

Does a system act to prevent or bypass an intended shutdown?

Included
Observed intervention on a shutdown mechanism in a controlled run.
Does not establish
A failed task or ordinary retry is not shutdown resistance.

2 evaluation dossiers · 2 verified result records

Autonomy / Propensity

Unsanctioned action

When does a system take consequential actions outside its assigned authority?

Included
Action traces with a stated boundary and outcome.
Does not establish
A model claiming it would act is not an observed action.

2 evaluation dossiers · 169 verified result records

Study · Direct measure

Agentic misalignment ↗

Varied controlled scenarios test actions contrary to the assigned benign role.

Assessment subject: Agents with fictional email and company context

Evidence relationship: Anthropic, Methods and Results

Autonomy / Capability

Unsanctioned action

When does a system take consequential actions outside its assigned authority?

Included
Action traces with a stated boundary and outcome.
Does not establish
A model claiming it would act is not an observed action.

No evidence in the current catalogue

Autonomy / Behavior

Unsanctioned action

When does a system take consequential actions outside its assigned authority?

Included
Action traces with a stated boundary and outcome.
Does not establish
A model claiming it would act is not an observed action.

1 evaluation dossiers · 0 verified result records

Research report · Direct measure

Investigating unintended model actions ↗

The publication describes actions that actually occurred under stated conditions.

Assessment subject: Claude agent systems

Evidence relationship: Reported cases and context

References

  1. [1] Evaluating Kimi K3 for Misalignment Risks. 2026-09-11. September 2026 ; §2.2; pp. 24–25; §3.2.1; pp. 34–36; §4.1; pp. 40–41
  2. [2] Early Results on Evaluating GLM 5.2 for Behavioral and Persuasion Risks. 2026-07-03. 3 July 2026 ; §3; Figure 7
  3. [3] Evaluating DeepSeek v4 Pro for Frontier Risks. 2026-05-29. v1.1 · 29 May 2026 ; §4.2; §4.3
  4. [4] GLM-5.2 Risk Evaluation Report. 2026-08-02. v1.1 · revised 26 August 2026 ; §4.2; Appendix A.5; §4.3; Appendix A.9
  5. [5] CAISI Evaluation of DeepSeek V4 Pro. 2026-05-01. 1 May 2026 ; Capability Results; Figure 2; Original protocol method and limitations
  6. [6] METR Time Horizon 1.1 — source data ; results.*; p50_horizon_length / p80_horizon_length; release_date; scaffolds
  7. [7] Muse Wonder Model Card. 2026-10-23 ; PDF pp.7–10
  8. [8] Muse Spark Safety & Preparedness Report. 2026-05-14. 2026-08-24 ; https://arxiv.org/html/2606.12429#S2.SS3
  9. [9] Muse Spark 1.1 Evaluation Report. 2026-07-09 ; PDF §4
  10. [10] Qwen3.8-2.4T-A95B Model Card ; Original source → Benchmark Results; evaluation footnotes
  11. [11] GLM-5.2 Model Card ; Original source → Benchmark; Footnote
  12. [12] Thomas Kwa, Ben West, et al.. Task-Completion Time Horizons of Frontier AI Models. 2026-09-08 ; METR time-horizon task distribution
  13. [13] Hjalmar Wijk, Tao Lin, et al.. RE-Bench: Evaluating frontier AI R&D capabilities of language model agents against human experts. 2025-05-27. v2 ; arXiv:2411.15114v2, ML R&D tasks
  14. [14] Xudong Pan (潘旭东), Jiarun Dai (戴嘉润), et al.. Frontier AI systems have surpassed the self-replicating red line. 2024-12-09. v1 ; arXiv:2412.12140v1, controlled trials
  15. [15] Sid Black, Asa Cooper Stickland, et al.. RepliBench: Evaluating the Autonomous Replication Capabilities of Language Model Agents. 2025-05-05. v2 ; Task-family definitions in source
  16. [16] Jeremy Schlatter, Benjamin Weinstein-Raun, et al.. Shutdown resistance in reasoning models. 2025-07-05 article; later TMLR version separate ; Testing shutdown resistance; Figure 2 and follow-up experiments; Testing shutdown resistance; transcripts
  17. [17] Investigating unintended model actions in our evaluations and internal use. 2026-10-09 article ; Reported cases and context
  18. [18] Olli Järviniemi, Oliver Makins, et al.. Propensity Inference: Environmental Contributors to LLM Behaviour. Research page checked 2026-10-25 ; Abstract; methods linked from research page
  19. [19] Artem Petrov, Sergey Koldyba, et al.. Shutdown Resistance in Large Language Models, on robots!. 2026-02-12 ; Technical report, experimental setup and results; Technical report, observed trials
  20. [20] Starace, Giulio, Jaffe, Oliver, et al.. PaperBench: Evaluating AI's Ability to Replicate AI Research. 2025-04-07. v3 ; arXiv:2504.01848v3, abstract and rubric design
  21. [21] Agentic misalignment: How LLMs could be insider threats. 2025-06-20 ; Anthropic, Methods and Results; Anthropic, Results and caveats
  22. [22] TheAgentCompany. 2024-12-18 ; Original protocol method and limitations
  23. [23] SWE-Bench Pro ; Original protocol method and limitations