Claude Opus 5.5 vs Minimax M3
As of Oct 14, 2026, Claude Opus 5.5 leads Minimax M3 in 5 of 6 shared categories: General LLM, Reasoning, 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.
Minimax M3
It used to be. Was SOTA in Coding › Web dev.
| Category | Claude Opus 5.5 | Minimax M3 |
|---|---|---|
| General LLM | #2 · Near-SOTA · General LLM Margin 1.3605442176870781 LMArena leaderboard dataset · Oct 13, 2026 | #69 · #69 in General LLM Margin 46.93877551020408 LMArena leaderboard dataset · Oct 13, 2026 |
| Reasoning | #1 · Co-SOTA · Reasoning Margin 0 LMArena leaderboard dataset · Oct 13, 2026 | #63 · #63 in Reasoning Margin 43.83561643835616 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 | #28 · #28 in Science Margin — Epoch AI benchmarking hub · Jun 1, 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 | #49 · #49 in Coding › Web dev Margin 44.85981308411215 LMArena leaderboard dataset · Oct 13, 2026 |
| Long context | #1 · Co-SOTA · Long context Margin 0 LMArena leaderboard dataset · Oct 13, 2026 | #62 · #62 in Long context Margin 42.176870748299315 LMArena leaderboard dataset · Oct 13, 2026 |
| Vision | #4 · Near-SOTA · Vision Margin 13.15789473684211 Epoch AI benchmarking hub · Sep 22, 2026 | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 9, 2026 |
| Factuality | #1 · Co-SOTA · Factuality Margin 0 LMArena leaderboard dataset · Oct 13, 2026 | #75 · #75 in Factuality Margin 56.71641791044776 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.
Minimax M3: $0.5249999999999999 per 1M blended tokens.
Claude Opus 5.5: closed weights.
Minimax M3: open weights.
General LLM: As of Oct 14, 2026, Claude Opus 5.5 leads Minimax M3 in General LLM at #2 against #69.
Reasoning: As of Oct 14, 2026, Claude Opus 5.5 leads Minimax M3 in Reasoning at #1 against #63.
Science: As of Oct 14, 2026, Minimax M3 leads Claude Opus 5.5 in Science at #28 against #31.
Coding › Web dev: As of Oct 14, 2026, Claude Opus 5.5 leads Minimax M3 in Coding › Web dev at #1 against #49.
Long context: As of Oct 14, 2026, Claude Opus 5.5 leads Minimax M3 in Long context at #1 against #62.
Factuality: As of Oct 14, 2026, Claude Opus 5.5 leads Minimax M3 in Factuality at #1 against #75.
Claude Opus 5.5 or Minimax M3?
As of Oct 14, 2026, Claude Opus 5.5 leads Minimax M3 in 5 of 6 shared categories: General LLM, Reasoning, Coding › Web dev, Long context, and Factuality.
Claude Opus 5.5 or Minimax M3 for General LLM?
As of Oct 14, 2026, Claude Opus 5.5 leads Minimax M3 in General LLM at #2 against #69.
Claude Opus 5.5 or Minimax M3 for Reasoning?
As of Oct 14, 2026, Claude Opus 5.5 leads Minimax M3 in Reasoning at #1 against #63.
Claude Opus 5.5 or Minimax M3 for Science?
As of Oct 14, 2026, Minimax M3 leads Claude Opus 5.5 in Science at #28 against #31.