{"version":"1.0","type":"card","id":"100ce629-805a-4644-832f-4ee4c5e60d1c","url":"https://stacklist.com/card/100ce629-805a-4644-832f-4ee4c5e60d1c","title":"Measuring AI Ability to Complete Long Tasks","source_url":"https://metr.org/blog/2025-03-19-measuring-ai-ability-to-complete-long-tasks/","note":"We propose measuring AI performance in terms of the *length* of tasks AI agents can complete. We show that this metric has been consistently exponentially increasing over the past 6 years, with a doubling time of around 7 months.","image":{"url":"https://ucarecdn.com/c499bab0-1d06-4ead-b890-40e9d9481dfe/","alt":"Measuring AI Ability to Complete Long Tasks","width":1569,"height":893},"stack":{"id":"29e01ac8-6202-4abf-ab14-a0613026186b","title":"AI Agent Evaluation Frameworks and Benchmarks","url":"https://stacklist.com/c/technology/stack/29e01ac8-6202-4abf-ab14-a0613026186b"},"created_at":"2026-07-02T09:49:07.429Z","updated_at":null,"aco":{"summary":"METR proposes measuring AI performance by the length of tasks AI agents can autonomously complete, showing this metric has doubled approximately every 7 months over the past 6 years. Extrapolating this exponential trend predicts AI agents capable of independently completing multi-day software tasks within under a decade.","tags":["ai-agents","benchmarking","task-completion","time-horizon","capability-forecasting","exponential-growth","frontier-models"],"key_entities":[{"name":"METR","type":"organization","confidence":0.99},{"name":"Thomas Kwa","type":"person","confidence":0.95},{"name":"Ben West","type":"person","confidence":0.95},{"name":"Joel Becker","type":"person","confidence":0.95},{"name":"time horizon","type":"concept","confidence":0.97},{"name":"task-completion benchmarking","type":"concept","confidence":0.92},{"name":"exponential capability growth","type":"concept","confidence":0.9},{"name":"frontier language models","type":"technology","confidence":0.88}],"classification":"analysis","language":"en","confidence":0.85,"provenance":{"model":"claude-opus-4-6","tool":"@stacklist/mcp-server@2.0.0","confidence":0.85,"timestamp":"2026-07-02T09:49:15.129Z"},"token_counts":{"approximate":3423,"cl100k":2828},"content_hash":"sha256:a4deeb60d51f98f0ebb1246b0670c9777c9b690e1b94b28a0c6ac2a68682a3fb","acp_version":"0.2","body_available":true,"body_tokens":3423,"visibility":"public","agent_accessible":true,"status":"final"},"_links":{"self":"/api/public/card/100ce629-805a-4644-832f-4ee4c5e60d1c.json","html":"https://stacklist.com/card/100ce629-805a-4644-832f-4ee4c5e60d1c","md":"/api/public/card/100ce629-805a-4644-832f-4ee4c5e60d1c.md","stack_json":"/api/public/stack/29e01ac8-6202-4abf-ab14-a0613026186b.json"}}