# Claude Sonnet 5.5 vs Gemini 3.1 Flash Lite

As of Oct 15, 2026, Claude Sonnet 5.5 leads Gemini 3.1 Flash Lite in 2 of 2 shared categories: Math and Science.

Claude Sonnet 5.5: $4.000000000000001 per 1M blended tokens.

Gemini 3.1 Flash Lite: $0.5625 per 1M blended tokens.

Claude Sonnet 5.5: closed weights.

Gemini 3.1 Flash Lite: closed weights.

- Which to pick, Math: As of Oct 15, 2026, Claude Sonnet 5.5 leads Gemini 3.1 Flash Lite in Math at #4 against #30.
- Which to pick, Science: As of Oct 15, 2026, Claude Sonnet 5.5 leads Gemini 3.1 Flash Lite in Science at #3 against #67.

As of Oct 15, 2026, Claude Sonnet 5.5 is tied for state of the art in Coding (since Oct 6, 2026; sources Terminal-Bench 4.0; methodology v1.0).

As of Oct 15, 2026, Gemini 3.1 Flash Lite is ranked #30 in Math (since Oct 15, 2026; sources Humanity's Last Exam; methodology v1.0).