Claude Sonnet 5.5 vs Mistral Medium 2505
As of Oct 14, 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
Yes. SOTA in co-SOTA in Coding, co-SOTA in Coding › Agentic and co-SOTA in Vision.
Mistral Medium 2505
#41 Best current rank: #41 in Math, as of Oct 14, 2026.
| Category | Claude Sonnet 5.5 | Mistral Medium 2505 |
|---|---|---|
| General LLM | #27 · #27 in General LLM Margin 18.367346938775512 LMArena leaderboard dataset · Oct 13, 2026 | #131 · #131 in General LLM Margin 89.1156462585034 LMArena leaderboard dataset · Oct 13, 2026 |
| Reasoning | #18 · #18 in Reasoning Margin 13.013698630136986 LMArena leaderboard dataset · Oct 13, 2026 | #134 · #134 in Reasoning Margin 92.46575342465754 LMArena leaderboard dataset · Oct 13, 2026 |
| Math | #4 · #4 in Math Margin 6.666666666666671 Epoch AI benchmarking hub · Sep 28, 2026 | #41 · #41 in Math Margin 91.11111111111111 Epoch AI benchmarking hub · May 7, 2025 |
| Science | #3 · #3 in Science Margin — Epoch AI benchmarking hub · Sep 28, 2026 | #110 · #110 in Science Margin — Epoch AI benchmarking hub · May 7, 2025 |
| Coding | #1 · Co-SOTA · Coding Margin 0 Terminal-Bench Harbor Hub · Oct 6, 2026 | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 13, 2026 |
| Coding › Agentic | #1 · Co-SOTA · Coding › Agentic Margin 0 Terminal-Bench Harbor Hub · Oct 6, 2026 | — |
| Coding › Web dev | #3 · Near-SOTA · Coding › Web dev Margin 1.8691588785046775 LMArena leaderboard dataset · Oct 13, 2026 | — |
| Long context | #11 · #11 in Long context Margin 7.482993197278915 LMArena leaderboard dataset · Oct 13, 2026 | #129 · #129 in Long context Margin 87.75510204081633 LMArena leaderboard dataset · Oct 13, 2026 |
| Vision | #1 · Co-SOTA · Vision Margin 0 Epoch AI benchmarking hub · Sep 28, 2026 | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 9, 2026 |
| Factuality | #16 · #16 in Factuality Margin 12.68656716417911 LMArena leaderboard dataset · Oct 13, 2026 | — |
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.
General LLM: As of Oct 14, 2026, Claude Sonnet 5.5 leads Mistral Medium 2505 in General LLM at #27 against #131.
Reasoning: As of Oct 14, 2026, Claude Sonnet 5.5 leads Mistral Medium 2505 in Reasoning at #18 against #134.
Math: As of Oct 14, 2026, Claude Sonnet 5.5 leads Mistral Medium 2505 in Math at #4 against #41.
Science: As of Oct 14, 2026, Claude Sonnet 5.5 leads Mistral Medium 2505 in Science at #3 against #110.
Long context: As of Oct 14, 2026, Claude Sonnet 5.5 leads Mistral Medium 2505 in Long context at #11 against #129.
Claude Sonnet 5.5 · Mistral Medium 2505
Claude Sonnet 5.5 or Mistral Medium 2505?
As of Oct 14, 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 or Mistral Medium 2505 for General LLM?
As of Oct 14, 2026, Claude Sonnet 5.5 leads Mistral Medium 2505 in General LLM at #27 against #131.
Claude Sonnet 5.5 or Mistral Medium 2505 for Reasoning?
As of Oct 14, 2026, Claude Sonnet 5.5 leads Mistral Medium 2505 in Reasoning at #18 against #134.
Claude Sonnet 5.5 or Mistral Medium 2505 for Math?
As of Oct 14, 2026, Claude Sonnet 5.5 leads Mistral Medium 2505 in Math at #4 against #41.