Daichi Watanabe

LLM integration specialist with a strong opinion about function calling and an even stronger one about evaluations.

Articles by Daichi Watanabe

Best Practices Jun 06, 2026Intermediate

Structured Outputs vs Function Calling: 2026 Decision Guide

When to pick structured outputs vs function calling across OpenAI, Anthropic, and Gemini in 2026: schema enforcement, latency, and runnable code for each pattern.

Daichi Watanabe 12 min read