Claude Opus 5.5 vs Mistral Large 4
As of Oct 14, 2026, Claude Opus 5.5 leads Mistral Large 4 in 6 of 6 shared categories: General LLM, Reasoning, Science, Coding › Web dev, Long context, and Factuality.
Claude Opus 5.5
Yes. SOTA in co-SOTA in Reasoning, co-SOTA in Coding, co-SOTA in Coding › Agentic, Coding › Web dev, co-SOTA in Long context and co-SOTA in Factuality.
Mistral Large 4
#36 Best current rank: #36 in Coding › Web dev, as of Oct 14, 2026.
| Category | Claude Opus 5.5 | Mistral Large 4 |
|---|---|---|
| General LLM | #2 · Near-SOTA · General LLM Margin 1.3605442176870781 LMArena leaderboard dataset · Oct 13, 2026 | #79 · #79 in General LLM Margin 53.74149659863946 LMArena leaderboard dataset · Oct 13, 2026 |
| Reasoning | #1 · Co-SOTA · Reasoning Margin 0 LMArena leaderboard dataset · Oct 13, 2026 | #76 · #76 in Reasoning Margin 52.73972602739726 LMArena leaderboard dataset · Oct 13, 2026 |
| Math | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 13, 2026 | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 13, 2026 |
| Science | #31 · #31 in Science Margin — Epoch AI benchmarking hub · Sep 22, 2026 | #45 · #45 in Science Margin — Epoch AI benchmarking hub · Oct 6, 2026 |
| 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 | #1 · SOTA · Coding › Web dev Margin 0 LMArena leaderboard dataset · Oct 13, 2026 | #36 · #36 in Coding › Web dev Margin 32.71028037383178 LMArena leaderboard dataset · Oct 13, 2026 |
| Long context | #1 · Co-SOTA · Long context Margin 0 LMArena leaderboard dataset · Oct 13, 2026 | #85 · #85 in Long context Margin 57.82312925170068 LMArena leaderboard dataset · Oct 13, 2026 |
| Vision | #4 · Near-SOTA · Vision Margin 13.15789473684211 Epoch AI benchmarking hub · Sep 22, 2026 | — |
| Factuality | #1 · Co-SOTA · Factuality Margin 0 LMArena leaderboard dataset · Oct 13, 2026 | #78 · #78 in Factuality Margin 58.95522388059702 LMArena leaderboard dataset · Oct 13, 2026 |
| Abstraction (ARC) | #1 · #1 in Abstraction (ARC) Margin — Epoch AI benchmarking hub · Sep 22, 2026 | — |
Claude Opus 5.5: $8.000000000000002 per 1M blended tokens.
Mistral Large 4: $1.0324999999999998 per 1M blended tokens.
Claude Opus 5.5: closed weights.
Mistral Large 4: closed weights.
General LLM: As of Oct 14, 2026, Claude Opus 5.5 leads Mistral Large 4 in General LLM at #2 against #79.
Reasoning: As of Oct 14, 2026, Claude Opus 5.5 leads Mistral Large 4 in Reasoning at #1 against #76.
Science: As of Oct 14, 2026, Claude Opus 5.5 leads Mistral Large 4 in Science at #31 against #45.
Coding › Web dev: As of Oct 14, 2026, Claude Opus 5.5 leads Mistral Large 4 in Coding › Web dev at #1 against #36.
Long context: As of Oct 14, 2026, Claude Opus 5.5 leads Mistral Large 4 in Long context at #1 against #85.
Factuality: As of Oct 14, 2026, Claude Opus 5.5 leads Mistral Large 4 in Factuality at #1 against #78.
Claude Opus 5.5 · Mistral Large 4
Claude Opus 5.5 or Mistral Large 4?
As of Oct 14, 2026, Claude Opus 5.5 leads Mistral Large 4 in 6 of 6 shared categories: General LLM, Reasoning, Science, Coding › Web dev, Long context, and Factuality.
Claude Opus 5.5 or Mistral Large 4 for General LLM?
As of Oct 14, 2026, Claude Opus 5.5 leads Mistral Large 4 in General LLM at #2 against #79.
Claude Opus 5.5 or Mistral Large 4 for Reasoning?
As of Oct 14, 2026, Claude Opus 5.5 leads Mistral Large 4 in Reasoning at #1 against #76.
Claude Opus 5.5 or Mistral Large 4 for Science?
As of Oct 14, 2026, Claude Opus 5.5 leads Mistral Large 4 in Science at #31 against #45.