Testing 16 LLMs Reveals Schema Issues Behind Tool Call Failures

Tests on 16 major LLMs across 30 schema constraints reveal that tool call failures are model-specific rather than random. Adjusting schemas to suit individual model preferences can effectively fix these issues.

2026-07-25 ~ 2026-07-25 · 2 related posts

• Why tool calls break differently across models, and the simple fix a team used — Alternative-Swing-63 · 2026-07-25
• Testing 16 LLMs: Tool Calling Failures Come Down to Schema Constraints — mastra_ai · 2026-07-25