Claude Opus 4.8 vs Mistral Medium 3.5
As of Oct 14, 2026, Claude Opus 4.8 leads Mistral Medium 3.5 in 5 of 5 shared categories: General LLM, Reasoning, Coding › Web dev, Long context, and Factuality.
Claude Opus 4.8
It used to be. Was SOTA in Coding › Web dev.
Mistral Medium 3.5
#82 Best current rank: #82 in General LLM, as of Oct 14, 2026.
| Category | Claude Opus 4.8 | Mistral Medium 3.5 |
|---|---|---|
| General LLM | #20 · #20 in General LLM Margin 13.605442176870753 LMArena leaderboard dataset · Oct 13, 2026 | #82 · #82 in General LLM Margin 55.78231292517007 LMArena leaderboard dataset · Oct 13, 2026 |
| Reasoning | #10 · #10 in Reasoning Margin 7.534246575342465 LMArena leaderboard dataset · Oct 13, 2026 | #86 · #86 in Reasoning Margin 59.58904109589041 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 | #27 · #27 in Science Margin — Epoch AI benchmarking hub · May 28, 2026 | — |
| Coding | #12 · #12 in Coding Margin 59.09090909090909 Terminal-Bench Harbor Hub · Oct 6, 2026 | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 13, 2026 |
| Coding › Agentic | #12 · #12 in Coding › Agentic Margin 59.09090909090909 Terminal-Bench Harbor Hub · Oct 6, 2026 | — |
| Coding › Web dev | #33 · Was SOTA · Coding › Web dev Margin 29.90654205607477 LMArena leaderboard dataset · Oct 13, 2026 | #99 · #99 in Coding › Web dev Margin 91.58878504672897 LMArena leaderboard dataset · Oct 13, 2026 |
| Long context | #10 · Was SOTA · Long context Margin 6.802721088435391 LMArena leaderboard dataset · Oct 13, 2026 | #93 · #93 in Long context Margin 63.265306122448976 LMArena leaderboard dataset · Oct 13, 2026 |
| Vision | #13 · #13 in Vision Margin 36.842105263157904 Epoch AI benchmarking hub · May 28, 2026 | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 9, 2026 |
| Factuality | #21 · #21 in Factuality Margin 16.417910447761187 LMArena leaderboard dataset · Oct 13, 2026 | #84 · #84 in Factuality Margin 63.43283582089552 LMArena leaderboard dataset · Oct 13, 2026 |
| Abstraction (ARC) | #12 · #12 in Abstraction (ARC) Margin — Epoch AI benchmarking hub · May 28, 2026 | — |
Claude Opus 4.8: $10 per 1M blended tokens.
Mistral Medium 3.5: $3 per 1M blended tokens.
Claude Opus 4.8: closed weights.
Mistral Medium 3.5: open weights.
General LLM: As of Oct 14, 2026, Claude Opus 4.8 leads Mistral Medium 3.5 in General LLM at #20 against #82.
Reasoning: As of Oct 14, 2026, Claude Opus 4.8 leads Mistral Medium 3.5 in Reasoning at #10 against #86.
Coding › Web dev: As of Oct 14, 2026, Claude Opus 4.8 leads Mistral Medium 3.5 in Coding › Web dev at #33 against #99.
Long context: As of Oct 14, 2026, Claude Opus 4.8 leads Mistral Medium 3.5 in Long context at #10 against #93.
Factuality: As of Oct 14, 2026, Claude Opus 4.8 leads Mistral Medium 3.5 in Factuality at #21 against #84.
Claude Opus 4.8 · Mistral Medium 3.5
Claude Opus 4.8 or Mistral Medium 3.5?
As of Oct 14, 2026, Claude Opus 4.8 leads Mistral Medium 3.5 in 5 of 5 shared categories: General LLM, Reasoning, Coding › Web dev, Long context, and Factuality.
Claude Opus 4.8 or Mistral Medium 3.5 for General LLM?
As of Oct 14, 2026, Claude Opus 4.8 leads Mistral Medium 3.5 in General LLM at #20 against #82.
Claude Opus 4.8 or Mistral Medium 3.5 for Reasoning?
As of Oct 14, 2026, Claude Opus 4.8 leads Mistral Medium 3.5 in Reasoning at #10 against #86.
Claude Opus 4.8 or Mistral Medium 3.5 for Coding › Web dev?
As of Oct 14, 2026, Claude Opus 4.8 leads Mistral Medium 3.5 in Coding › Web dev at #33 against #99.