# Claude Opus 5 vs Mistral Large 4

As of Oct 15, 2026, Claude Opus 5 leads Mistral Large 4 in 6 of 6 shared categories: General LLM, Reasoning, Science, Coding › Web dev, Long context, and Factuality.

Claude Opus 5: $10 per 1M blended tokens.

Mistral Large 4: $1.0324999999999998 per 1M blended tokens.

Claude Opus 5: closed weights.

Mistral Large 4: closed weights.

- Which to pick, General LLM: As of Oct 15, 2026, Claude Opus 5 leads Mistral Large 4 in General LLM at #11 against #101.
- Which to pick, Reasoning: As of Oct 15, 2026, Claude Opus 5 leads Mistral Large 4 in Reasoning at #9 against #98.
- Which to pick, Science: As of Oct 15, 2026, Claude Opus 5 leads Mistral Large 4 in Science at #12 against #45.
- Which to pick, Coding › Web dev: As of Oct 15, 2026, Claude Opus 5 leads Mistral Large 4 in Coding › Web dev at #6 against #38.
- Which to pick, Long context: As of Oct 15, 2026, Claude Opus 5 leads Mistral Large 4 in Long context at #9 against #108.
- Which to pick, Factuality: As of Oct 15, 2026, Claude Opus 5 leads Mistral Large 4 in Factuality at #4 against #100.

As of Oct 15, 2026, Claude Opus 5 is near state of the art, rank #4 in Factuality (since Oct 15, 2026; sources LMArena Text factuality; methodology v1.0).

As of Oct 15, 2026, Mistral Large 4 is ranked #38 in Coding › Web dev (since Oct 15, 2026; sources LMArena WebDev; methodology v1.0).