Dev calls for open agent harnesses; critics say data distribution matters more

Developer @isaacdev0 urged OpenAI and Anthropic to open-source and benchmark their agent harnesses like their models. In response, @gerardsans argued that performance is driven mainly by training data distribution, with the harness playing only a secondary role.

2026-11-14 ~ 2026-11-15 · 2 related posts

• Dev calls on OpenAI and Anthropic to release and benchmark their agent harnesses like models — isaac_dev0 · 2026-11-14
• Harness skeptic: model training-data support drives performance, not the harness — gerardsans · 2026-11-15