Claude Opus 5.5 vs Qwen3 5 397B A17b
As of Oct 14, 2026, Claude Opus 5.5 leads Qwen3 5 397B A17b 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.
Qwen3 5 397B A17b
#53 Best recorded rank: #53 in Science, as of Oct 14, 2026.
| Category | Claude Opus 5.5 | Qwen3 5 397B A17b |
|---|---|---|
| General LLM | #2 · Near-SOTA · General LLM Margin 1.3605442176870781 LMArena leaderboard dataset · Oct 13, 2026 | #66 · #66 in General LLM Margin 44.89795918367347 LMArena leaderboard dataset · Oct 13, 2026 |
| Reasoning | #1 · Co-SOTA · Reasoning Margin 0 LMArena leaderboard dataset · Oct 13, 2026 | #64 · #64 in Reasoning Margin 44.52054794520548 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 | #53 · #53 in Science Margin — Epoch AI benchmarking hub · Feb 13, 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 | #72 · #72 in Coding › Web dev Margin 66.35514018691589 LMArena leaderboard dataset · Oct 13, 2026 |
| Long context | #1 · Co-SOTA · Long context Margin 0 LMArena leaderboard dataset · Oct 13, 2026 | #60 · #60 in Long context Margin 40.81632653061225 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 | #59 · #59 in Factuality Margin 44.776119402985074 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.
Qwen3 5 397B A17b: $1.2750000000000001 per 1M blended tokens.
Claude Opus 5.5: closed weights.
Qwen3 5 397B A17b: open weights.
General LLM: As of Oct 14, 2026, Claude Opus 5.5 leads Qwen3 5 397B A17b in General LLM at #2 against #66.
Reasoning: As of Oct 14, 2026, Claude Opus 5.5 leads Qwen3 5 397B A17b in Reasoning at #1 against #64.
Science: As of Oct 14, 2026, Claude Opus 5.5 leads Qwen3 5 397B A17b in Science at #31 against #53.
Coding › Web dev: As of Oct 14, 2026, Claude Opus 5.5 leads Qwen3 5 397B A17b in Coding › Web dev at #1 against #72.
Long context: As of Oct 14, 2026, Claude Opus 5.5 leads Qwen3 5 397B A17b in Long context at #1 against #60.
Factuality: As of Oct 14, 2026, Claude Opus 5.5 leads Qwen3 5 397B A17b in Factuality at #1 against #59.
Claude Opus 5.5 · Qwen3 5 397B A17b
Claude Opus 5.5 or Qwen3 5 397B A17b?
As of Oct 14, 2026, Claude Opus 5.5 leads Qwen3 5 397B A17b in 6 of 6 shared categories: General LLM, Reasoning, Science, Coding › Web dev, Long context, and Factuality.
Claude Opus 5.5 or Qwen3 5 397B A17b for General LLM?
As of Oct 14, 2026, Claude Opus 5.5 leads Qwen3 5 397B A17b in General LLM at #2 against #66.
Claude Opus 5.5 or Qwen3 5 397B A17b for Reasoning?
As of Oct 14, 2026, Claude Opus 5.5 leads Qwen3 5 397B A17b in Reasoning at #1 against #64.
Claude Opus 5.5 or Qwen3 5 397B A17b for Science?
As of Oct 14, 2026, Claude Opus 5.5 leads Qwen3 5 397B A17b in Science at #31 against #53.