Claude Opus 5 vs Mistral Medium 2505
As of Oct 14, 2026, Claude Opus 5 leads Mistral Medium 2505 in 4 of 4 shared categories: General LLM, Reasoning, Science, and Long context.
Claude Opus 5
Close. Near-SOTA in Factuality, rank #4.
Mistral Medium 2505
#41 Best current rank: #41 in Math, as of Oct 14, 2026.
| Category | Claude Opus 5 | Mistral Medium 2505 |
|---|---|---|
| General LLM | #11 · Was SOTA · General LLM Margin 7.482993197278915 LMArena leaderboard dataset · Oct 13, 2026 | #131 · #131 in General LLM Margin 89.1156462585034 LMArena leaderboard dataset · Oct 13, 2026 |
| Reasoning | #9 · Was SOTA · Reasoning Margin 6.849315068493155 LMArena leaderboard dataset · Oct 13, 2026 | #134 · #134 in Reasoning Margin 92.46575342465754 LMArena leaderboard dataset · Oct 13, 2026 |
| Math | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 13, 2026 | #41 · #41 in Math Margin 91.11111111111111 Epoch AI benchmarking hub · May 7, 2025 |
| Science | #12 · #12 in Science Margin — Epoch AI benchmarking hub · Jul 24, 2026 | #110 · #110 in Science Margin — Epoch AI benchmarking hub · May 7, 2025 |
| Coding | #4 · #4 in Coding Margin 22.727272727272734 Terminal-Bench Harbor Hub · Oct 6, 2026 | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 13, 2026 |
| Coding › Agentic | #4 · #4 in Coding › Agentic Margin 22.727272727272734 Terminal-Bench Harbor Hub · Oct 6, 2026 | — |
| Coding › Web dev | #6 · Was SOTA · Coding › Web dev Margin 4.672897196261687 LMArena leaderboard dataset · Oct 13, 2026 | — |
| Long context | #9 · Was SOTA · Long context Margin 6.122448979591837 LMArena leaderboard dataset · Oct 13, 2026 | #129 · #129 in Long context Margin 87.75510204081633 LMArena leaderboard dataset · Oct 13, 2026 |
| Vision | #12 · #12 in Vision Margin 36.8421052631579 Epoch AI benchmarking hub · Jul 24, 2026 | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 9, 2026 |
| Factuality | #4 · Near-SOTA · Factuality Margin 3.731343283582092 LMArena leaderboard dataset · Oct 13, 2026 | — |
| Abstraction (ARC) | #3 · #3 in Abstraction (ARC) Margin — Epoch AI benchmarking hub · Jul 24, 2026 | — |
Claude Opus 5: $10 per 1M blended tokens.
Mistral Medium 2505: price per 1M tokens is unset in the catalog.
Claude Opus 5: closed weights.
Mistral Medium 2505: closed weights.
General LLM: As of Oct 14, 2026, Claude Opus 5 leads Mistral Medium 2505 in General LLM at #11 against #131.
Reasoning: As of Oct 14, 2026, Claude Opus 5 leads Mistral Medium 2505 in Reasoning at #9 against #134.
Science: As of Oct 14, 2026, Claude Opus 5 leads Mistral Medium 2505 in Science at #12 against #110.
Long context: As of Oct 14, 2026, Claude Opus 5 leads Mistral Medium 2505 in Long context at #9 against #129.
Claude Opus 5 · Mistral Medium 2505
Claude Opus 5 or Mistral Medium 2505?
As of Oct 14, 2026, Claude Opus 5 leads Mistral Medium 2505 in 4 of 4 shared categories: General LLM, Reasoning, Science, and Long context.
Claude Opus 5 or Mistral Medium 2505 for General LLM?
As of Oct 14, 2026, Claude Opus 5 leads Mistral Medium 2505 in General LLM at #11 against #131.
Claude Opus 5 or Mistral Medium 2505 for Reasoning?
As of Oct 14, 2026, Claude Opus 5 leads Mistral Medium 2505 in Reasoning at #9 against #134.
Claude Opus 5 or Mistral Medium 2505 for Science?
As of Oct 14, 2026, Claude Opus 5 leads Mistral Medium 2505 in Science at #12 against #110.