Claude Opus 4.6 vs Qwen3 6 Plus
As of Oct 15, 2026, Claude Opus 4.6 leads Qwen3 6 Plus in 6 of 6 shared categories: General LLM, Reasoning, Science, Coding › Web dev, Long context, and Factuality.
Claude Opus 4.6
Close. Near-SOTA in Reasoning, rank #2.
Qwen3 6 Plus
#43 Best recorded rank: #43 in Science, as of Oct 15, 2026.
| Category | Claude Opus 4.6 | Qwen3 6 Plus |
|---|---|---|
| General LLM | #4 · Near-SOTA · General LLM Margin 2.1276595744680833 LMArena leaderboard dataset · Oct 13, 2026 | #81 · #81 in General LLM Margin 43.08510638297872 LMArena leaderboard dataset · Oct 13, 2026 |
| Reasoning | #2 · Near-SOTA · Reasoning Margin 1.5957446808510696 LMArena leaderboard dataset · Oct 13, 2026 | #75 · #75 in Reasoning Margin 40.42553191489362 LMArena leaderboard dataset · Oct 13, 2026 |
| Math | #11 · #11 in Math Margin 22.22222222222223 Epoch AI benchmarking hub · Feb 5, 2026 | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 13, 2026 |
| Science | #32 · #32 in Science Margin — Epoch AI benchmarking hub · Feb 5, 2026 | #43 · #43 in Science Margin — Epoch AI benchmarking hub · Mar 31, 2026 |
| Coding | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 13, 2026 | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 13, 2026 |
| Coding › Web dev | #37 · Was SOTA · Coding › Web dev Margin 28.799999999999997 LMArena leaderboard dataset · Oct 13, 2026 | #61 · #61 in Coding › Web dev Margin 48 LMArena leaderboard dataset · Oct 13, 2026 |
| Long context | #2 · Near-SOTA · Long context Margin 0.5319148936170421 LMArena leaderboard dataset · Oct 13, 2026 | #73 · #73 in Long context Margin 38.829787234042556 LMArena leaderboard dataset · Oct 13, 2026 |
| Vision | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 9, 2026 | — |
| Factuality | #3 · Near-SOTA · Factuality Margin 2.3255813953488342 LMArena leaderboard dataset · Oct 13, 2026 | #87 · #87 in Factuality Margin 51.16279069767442 LMArena leaderboard dataset · Oct 13, 2026 |
Claude Opus 4.6: $10 per 1M blended tokens.
Qwen3 6 Plus: $0.73125 per 1M blended tokens.
Claude Opus 4.6: closed weights.
Qwen3 6 Plus: closed weights.
General LLM: As of Oct 15, 2026, Claude Opus 4.6 leads Qwen3 6 Plus in General LLM at #4 against #81.
Reasoning: As of Oct 15, 2026, Claude Opus 4.6 leads Qwen3 6 Plus in Reasoning at #2 against #75.
Science: As of Oct 15, 2026, Claude Opus 4.6 leads Qwen3 6 Plus in Science at #32 against #43.
Coding › Web dev: As of Oct 15, 2026, Claude Opus 4.6 leads Qwen3 6 Plus in Coding › Web dev at #37 against #61.
Long context: As of Oct 15, 2026, Claude Opus 4.6 leads Qwen3 6 Plus in Long context at #2 against #73.
Factuality: As of Oct 15, 2026, Claude Opus 4.6 leads Qwen3 6 Plus in Factuality at #3 against #87.
Claude Opus 4.6 · Qwen3 6 Plus
Claude Opus 4.6 or Qwen3 6 Plus?
As of Oct 15, 2026, Claude Opus 4.6 leads Qwen3 6 Plus in 6 of 6 shared categories: General LLM, Reasoning, Science, Coding › Web dev, Long context, and Factuality.
Claude Opus 4.6 or Qwen3 6 Plus for General LLM?
As of Oct 15, 2026, Claude Opus 4.6 leads Qwen3 6 Plus in General LLM at #4 against #81.
Claude Opus 4.6 or Qwen3 6 Plus for Reasoning?
As of Oct 15, 2026, Claude Opus 4.6 leads Qwen3 6 Plus in Reasoning at #2 against #75.
Claude Opus 4.6 or Qwen3 6 Plus for Science?
As of Oct 15, 2026, Claude Opus 4.6 leads Qwen3 6 Plus in Science at #32 against #43.