Claude Opus 4.6 vs Qwen3 5 27B
As of Oct 15, 2026, Claude Opus 4.6 leads Qwen3 5 27B in 5 of 5 shared categories: General LLM, Reasoning, Coding › Web dev, Long context, and Factuality.
Claude Opus 4.6
Close. Near-SOTA in Reasoning, rank #2.
Qwen3 5 27B
#94 Best current rank: #94 in Coding › Web dev, as of Oct 15, 2026.
| Category | Claude Opus 4.6 | Qwen3 5 27B |
|---|---|---|
| General LLM | #4 · Near-SOTA · General LLM Margin 2.1276595744680833 LMArena leaderboard dataset · Oct 13, 2026 | #141 · #141 in General LLM Margin 75 LMArena leaderboard dataset · Oct 13, 2026 |
| Reasoning | #2 · Near-SOTA · Reasoning Margin 1.5957446808510696 LMArena leaderboard dataset · Oct 13, 2026 | #136 · #136 in Reasoning Margin 72.87234042553192 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 | — |
| 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 | #94 · #94 in Coding › Web dev Margin 74.4 LMArena leaderboard dataset · Oct 13, 2026 |
| Long context | #2 · Near-SOTA · Long context Margin 0.5319148936170421 LMArena leaderboard dataset · Oct 13, 2026 | #126 · #126 in Long context Margin 67.02127659574468 LMArena leaderboard dataset · Oct 13, 2026 |
| Vision | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 9, 2026 | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 9, 2026 |
| Factuality | #3 · Near-SOTA · Factuality Margin 2.3255813953488342 LMArena leaderboard dataset · Oct 13, 2026 | #120 · #120 in Factuality Margin 70.34883720930233 LMArena leaderboard dataset · Oct 13, 2026 |
Claude Opus 4.6: $10 per 1M blended tokens.
Qwen3 5 27B: $0.845 per 1M blended tokens.
Claude Opus 4.6: closed weights.
Qwen3 5 27B: open weights.
General LLM: As of Oct 15, 2026, Claude Opus 4.6 leads Qwen3 5 27B in General LLM at #4 against #141.
Reasoning: As of Oct 15, 2026, Claude Opus 4.6 leads Qwen3 5 27B in Reasoning at #2 against #136.
Coding › Web dev: As of Oct 15, 2026, Claude Opus 4.6 leads Qwen3 5 27B in Coding › Web dev at #37 against #94.
Long context: As of Oct 15, 2026, Claude Opus 4.6 leads Qwen3 5 27B in Long context at #2 against #126.
Factuality: As of Oct 15, 2026, Claude Opus 4.6 leads Qwen3 5 27B in Factuality at #3 against #120.
Claude Opus 4.6 or Qwen3 5 27B?
As of Oct 15, 2026, Claude Opus 4.6 leads Qwen3 5 27B in 5 of 5 shared categories: General LLM, Reasoning, Coding › Web dev, Long context, and Factuality.
Claude Opus 4.6 or Qwen3 5 27B for General LLM?
As of Oct 15, 2026, Claude Opus 4.6 leads Qwen3 5 27B in General LLM at #4 against #141.
Claude Opus 4.6 or Qwen3 5 27B for Reasoning?
As of Oct 15, 2026, Claude Opus 4.6 leads Qwen3 5 27B in Reasoning at #2 against #136.
Claude Opus 4.6 or Qwen3 5 27B for Coding › Web dev?
As of Oct 15, 2026, Claude Opus 4.6 leads Qwen3 5 27B in Coding › Web dev at #37 against #94.