# Claude Haiku 5.5 vs Gemini 3.1 Pro Preview

As of Oct 15, 2026, Claude Haiku 5.5 leads Gemini 3.1 Pro Preview in 1 of 3 shared categories: Coding › Web dev.

Claude Haiku 5.5: $0.19999999999999998 per 1M blended tokens.

Gemini 3.1 Pro Preview: $4.5 per 1M blended tokens.

Claude Haiku 5.5: closed weights.

Gemini 3.1 Pro Preview: closed weights.

- Which to pick, Math: As of Oct 15, 2026, Gemini 3.1 Pro Preview leads Claude Haiku 5.5 in Math at #3 against #13.
- Which to pick, Science: As of Oct 15, 2026, Gemini 3.1 Pro Preview leads Claude Haiku 5.5 in Science at #7 against #38.
- Which to pick, Coding › Web dev: As of Oct 15, 2026, Claude Haiku 5.5 leads Gemini 3.1 Pro Preview in Coding › Web dev at #28 against #63.

As of Oct 15, 2026, Claude Haiku 5.5 is state of the art on best per dollar in Math (since Oct 14, 2026; sources Humanity's Last Exam; methodology v1.0).

As of Oct 15, 2026, Gemini 3.1 Pro Preview is state of the art on best per dollar in Math (since Oct 14, 2026; sources Humanity's Last Exam; methodology v1.0).