Study: Code-First Tool Calling Outperforms JSON

A new study comparing JSON and code-first tool calling finds that 11 out of 14 models performed better by writing Python scripts. Research suggests JSON may be an unnecessary bottleneck for capable AI Agents.

2026-08-15 ~ 2026-08-15 · 2 related posts

• Paper: Code-first tool calling beats JSON in 11 of 14 models, especially for multi-call tasks — rohanpaul_ai · 2026-08-15
• Paper: Code-First Tool Calling Beats JSON for Agents — eyishazyer · 2026-08-15