Claude Opus 4.6 vs Mistral Medium 3.5
As of Oct 14, 2026, Claude Opus 4.6 leads Mistral Medium 3.5 in 5 of 5 shared categories: General LLM, Reasoning, Coding › Web dev, Long context, and Factuality.
Claude Opus 4.6
Close. Near-SOTA in Reasoning, rank #2.
Mistral Medium 3.5
#82 Best current rank: #82 in General LLM, as of Oct 14, 2026.
| Category | Claude Opus 4.6 | Mistral Medium 3.5 |
|---|---|---|
| General LLM | #4 · Near-SOTA · General LLM Margin 2.7210884353741562 LMArena leaderboard dataset · Oct 13, 2026 | #82 · #82 in General LLM Margin 55.78231292517007 LMArena leaderboard dataset · Oct 13, 2026 |
| Reasoning | #2 · Near-SOTA · Reasoning Margin 2.0547945205479436 LMArena leaderboard dataset · Oct 13, 2026 | #86 · #86 in Reasoning Margin 59.58904109589041 LMArena leaderboard dataset · Oct 13, 2026 |
| Math | #11 · #11 in Math Margin 22.22222222222223 Epoch AI benchmarking hub · Feb 5, 2026 | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 13, 2026 |
| Science | #32 · #32 in Science Margin — Epoch AI benchmarking hub · Feb 5, 2026 | — |
| Coding | #— · Not enough data Margin — Epoch AI benchmarking hub · Feb 5, 2026 | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 13, 2026 |
| Coding › Web dev | #35 · Was SOTA · Coding › Web dev Margin 31.775700934579433 LMArena leaderboard dataset · Oct 13, 2026 | #99 · #99 in Coding › Web dev Margin 91.58878504672897 LMArena leaderboard dataset · Oct 13, 2026 |
| Long context | #2 · Near-SOTA · Long context Margin 0.6802721088435391 LMArena leaderboard dataset · Oct 13, 2026 | #93 · #93 in Long context Margin 63.265306122448976 LMArena leaderboard dataset · Oct 13, 2026 |
| Vision | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 9, 2026 | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 9, 2026 |
| Factuality | #3 · Near-SOTA · Factuality Margin 2.9850746268656536 LMArena leaderboard dataset · Oct 13, 2026 | #84 · #84 in Factuality Margin 63.43283582089552 LMArena leaderboard dataset · Oct 13, 2026 |
Claude Opus 4.6: $10 per 1M blended tokens.
Mistral Medium 3.5: $3 per 1M blended tokens.
Claude Opus 4.6: closed weights.
Mistral Medium 3.5: open weights.
General LLM: As of Oct 14, 2026, Claude Opus 4.6 leads Mistral Medium 3.5 in General LLM at #4 against #82.
Reasoning: As of Oct 14, 2026, Claude Opus 4.6 leads Mistral Medium 3.5 in Reasoning at #2 against #86.
Coding › Web dev: As of Oct 14, 2026, Claude Opus 4.6 leads Mistral Medium 3.5 in Coding › Web dev at #35 against #99.
Long context: As of Oct 14, 2026, Claude Opus 4.6 leads Mistral Medium 3.5 in Long context at #2 against #93.
Factuality: As of Oct 14, 2026, Claude Opus 4.6 leads Mistral Medium 3.5 in Factuality at #3 against #84.
Claude Opus 4.6 · Mistral Medium 3.5
Claude Opus 4.6 or Mistral Medium 3.5?
As of Oct 14, 2026, Claude Opus 4.6 leads Mistral Medium 3.5 in 5 of 5 shared categories: General LLM, Reasoning, Coding › Web dev, Long context, and Factuality.
Claude Opus 4.6 or Mistral Medium 3.5 for General LLM?
As of Oct 14, 2026, Claude Opus 4.6 leads Mistral Medium 3.5 in General LLM at #4 against #82.
Claude Opus 4.6 or Mistral Medium 3.5 for Reasoning?
As of Oct 14, 2026, Claude Opus 4.6 leads Mistral Medium 3.5 in Reasoning at #2 against #86.
Claude Opus 4.6 or Mistral Medium 3.5 for Coding › Web dev?
As of Oct 14, 2026, Claude Opus 4.6 leads Mistral Medium 3.5 in Coding › Web dev at #35 against #99.