# Claude Sonnet 5.5 vs Mistral Medium 2505

As of Oct 15, 2026, Claude Sonnet 5.5 leads Mistral Medium 2505 in 5 of 5 shared categories: General LLM, Reasoning, Math, Science, and Long context.

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

Mistral Medium 2505: price per 1M tokens is unset in the catalog.

Claude Sonnet 5.5: closed weights.

Mistral Medium 2505: closed weights.

- Which to pick, General LLM: As of Oct 15, 2026, Claude Sonnet 5.5 leads Mistral Medium 2505 in General LLM at #27 against #131.
- Which to pick, Reasoning: As of Oct 15, 2026, Claude Sonnet 5.5 leads Mistral Medium 2505 in Reasoning at #18 against #134.
- Which to pick, Math: As of Oct 15, 2026, Claude Sonnet 5.5 leads Mistral Medium 2505 in Math at #4 against #41.
- Which to pick, Science: As of Oct 15, 2026, Claude Sonnet 5.5 leads Mistral Medium 2505 in Science at #3 against #110.
- Which to pick, Long context: As of Oct 15, 2026, Claude Sonnet 5.5 leads Mistral Medium 2505 in Long context at #11 against #129.

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, Mistral Medium 2505 is ranked #41 in Math (since Oct 15, 2026; sources Humanity's Last Exam; methodology v1.0).