# Claude Sonnet 4 vs Gemini 3.8 Flash

As of Oct 15, 2026, Claude Sonnet 4 leads Gemini 3.8 Flash in 0 of 6 shared categories.

Claude Sonnet 4: $6 per 1M blended tokens.

Gemini 3.8 Flash: $1.5 per 1M blended tokens.

Claude Sonnet 4: closed weights.

Gemini 3.8 Flash: closed weights.

- Which to pick, General LLM: As of Oct 15, 2026, Gemini 3.8 Flash leads Claude Sonnet 4 in General LLM at #7 against #163.
- Which to pick, Reasoning: As of Oct 15, 2026, Gemini 3.8 Flash leads Claude Sonnet 4 in Reasoning at #6 against #149.
- Which to pick, Math: As of Oct 15, 2026, Gemini 3.8 Flash leads Claude Sonnet 4 in Math at #5 against #35.
- Which to pick, Science: As of Oct 15, 2026, Gemini 3.8 Flash leads Claude Sonnet 4 in Science at #4 against #97.
- Which to pick, Long context: As of Oct 15, 2026, Gemini 3.8 Flash leads Claude Sonnet 4 in Long context at #5 against #123.
- Which to pick, Abstraction (ARC): As of Oct 15, 2026, Gemini 3.8 Flash leads Claude Sonnet 4 in Abstraction (ARC) at #1 against #67.

As of Oct 15, 2026, Claude Sonnet 4 is ranked #35 in Math (since Oct 15, 2026; sources Humanity's Last Exam; methodology v1.0).

As of Oct 15, 2026, Gemini 3.8 Flash is state of the art on best per dollar in General LLM (since Oct 14, 2026; sources LMArena Text (style-controlled, overall); methodology v1.0).