Claude Opus 5.5 vs Qwen3 6 Plus
As of Oct 14, 2026, Claude Opus 5.5 leads Qwen3 6 Plus 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 6 Plus
#43 Best recorded rank: #43 in Science, as of Oct 14, 2026.
| Category | Claude Opus 5.5 | Qwen3 6 Plus |
|---|---|---|
| General LLM | #2 · Near-SOTA · General LLM Margin 1.3605442176870781 LMArena leaderboard dataset · Oct 13, 2026 | #64 · #64 in General LLM Margin 43.53741496598639 LMArena leaderboard dataset · Oct 13, 2026 |
| Reasoning | #1 · Co-SOTA · Reasoning Margin 0 LMArena leaderboard dataset · Oct 13, 2026 | #60 · #60 in Reasoning Margin 41.78082191780822 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 | #43 · #43 in Science Margin — Epoch AI benchmarking hub · Mar 31, 2026 |
| Coding | #1 · Co-SOTA · Coding Margin 0 Terminal-Bench Harbor Hub · Oct 6, 2026 | #— · Not enough data Margin — Epoch AI benchmarking hub · Mar 31, 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 | #56 · #56 in Coding › Web dev Margin 51.401869158878505 LMArena leaderboard dataset · Oct 13, 2026 |
| Long context | #1 · Co-SOTA · Long context Margin 0 LMArena leaderboard dataset · Oct 13, 2026 | #59 · #59 in Long context Margin 40.136054421768705 LMArena leaderboard dataset · Oct 13, 2026 |
| Vision | #4 · Near-SOTA · Vision Margin 13.15789473684211 Epoch AI benchmarking hub · Sep 22, 2026 | — |
| Factuality | #1 · Co-SOTA · Factuality Margin 0 LMArena leaderboard dataset · Oct 13, 2026 | #69 · #69 in Factuality Margin 52.23880597014925 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 6 Plus: $0.73125 per 1M blended tokens.
Claude Opus 5.5: closed weights.
Qwen3 6 Plus: closed weights.
General LLM: As of Oct 14, 2026, Claude Opus 5.5 leads Qwen3 6 Plus in General LLM at #2 against #64.
Reasoning: As of Oct 14, 2026, Claude Opus 5.5 leads Qwen3 6 Plus in Reasoning at #1 against #60.
Science: As of Oct 14, 2026, Claude Opus 5.5 leads Qwen3 6 Plus in Science at #31 against #43.
Coding › Web dev: As of Oct 14, 2026, Claude Opus 5.5 leads Qwen3 6 Plus in Coding › Web dev at #1 against #56.
Long context: As of Oct 14, 2026, Claude Opus 5.5 leads Qwen3 6 Plus in Long context at #1 against #59.
Factuality: As of Oct 14, 2026, Claude Opus 5.5 leads Qwen3 6 Plus in Factuality at #1 against #69.
Claude Opus 5.5 · Qwen3 6 Plus
Claude Opus 5.5 or Qwen3 6 Plus?
As of Oct 14, 2026, Claude Opus 5.5 leads Qwen3 6 Plus in 6 of 6 shared categories: General LLM, Reasoning, Science, Coding › Web dev, Long context, and Factuality.
Claude Opus 5.5 or Qwen3 6 Plus for General LLM?
As of Oct 14, 2026, Claude Opus 5.5 leads Qwen3 6 Plus in General LLM at #2 against #64.
Claude Opus 5.5 or Qwen3 6 Plus for Reasoning?
As of Oct 14, 2026, Claude Opus 5.5 leads Qwen3 6 Plus in Reasoning at #1 against #60.
Claude Opus 5.5 or Qwen3 6 Plus for Science?
As of Oct 14, 2026, Claude Opus 5.5 leads Qwen3 6 Plus in Science at #31 against #43.