{"type":"analysis","id":"analysis:research-the-best-task-solver-is-not-the-best-coach","slug":"research-the-best-task-solver-is-not-the-best-coach","title":"The best task-solver is not the best coach","description":"CentaurBench, a July 2026 UC Berkeley Haas working paper, finds only a modest link between a model’s ability to finish professional work and its ability to coach a weaker worker. Independent human studies in tutoring, coding, medicine, and occupational collaboration show the same split, but CentaurBench itself does not measure humans.","published_at":"2026-10-25T02:00:00.000Z","updated_at":"2026-10-25T02:00:00.000Z","record_date":"2026-10-25","topics":["automation","claude","agents","research"],"source_urls":["https://arxiv.org/html/2608.18554v1","https://www.nber.org/papers/w35663","https://kennywong524.github.io/centaur-benchmark/","https://raw.githubusercontent.com/kennywong524/best-player-not-best-coach/main/README.md","https://arxiv.org/html/2506.05579v2","https://arxiv.org/html/2504.18919","https://www.nature.com/articles/s41562-024-02024-1","https://arxiv.org/abs/2606.09833","https://arxiv.org/html/2502.18940v2","https://arxiv.org/abs/2502.18940","https://github.com/kennywong524/best-player-not-best-coach"],"language":"en","routes":{"html":"https://newruntime.com/analysis/research-the-best-task-solver-is-not-the-best-coach/","markdown":"https://newruntime.com/analysis/research-the-best-task-solver-is-not-the-best-coach.md","json":"https://newruntime.com/analysis/research-the-best-task-solver-is-not-the-best-coach.json"},"author":{"role":"author","name":"Andrey Reshetnikov","profile":"https://newruntime.com/owner-profile.md","profile_json":"https://newruntime.com/owner-profile.json","same_as":["https://www.linkedin.com/in/reshetnikov1/","https://t.me/lapetuse"]},"editorial_provenance":{"desk":"authorial","target_ref":"deep_research:591cd329-41a4-466a-b1fc-cf012dea7e36","authorial_article_id":"591cd329-41a4-466a-b1fc-cf012dea7e36"},"next_reads":[{"type":"topic","path":"/topics/automation/","url":"https://newruntime.com/topics/automation/","title":"Automation","reason":"Explore the automation topic hub.","media_type":"text/html","markdown_url":"https://newruntime.com/topics/automation.md","json_url":"https://newruntime.com/topics/automation.json"},{"type":"topic","path":"/topics/claude/","url":"https://newruntime.com/topics/claude/","title":"Claude","reason":"Explore the claude topic hub.","media_type":"text/html","markdown_url":"https://newruntime.com/topics/claude.md","json_url":"https://newruntime.com/topics/claude.json"},{"type":"topic","path":"/topics/agents/","url":"https://newruntime.com/topics/agents/","title":"Agents","reason":"Explore the agents topic hub.","media_type":"text/html","markdown_url":"https://newruntime.com/topics/agents.md","json_url":"https://newruntime.com/topics/agents.json"},{"type":"collection","path":"/analysis/","url":"https://newruntime.com/analysis/","title":"Analysis","reason":"Open the latest authorial analysis.","media_type":"text/html","json_url":"https://newruntime.com/analysis.json"},{"type":"collection","path":"/source-ledger.json","url":"https://newruntime.com/source-ledger.json","title":"Source Ledger","reason":"Inspect the public source evidence graph.","media_type":"application/json"}]}