# Claude Opus 5 vs Qwen3 5 35B A3b

As of Oct 15, 2026, Claude Opus 5 leads Qwen3 5 35B A3b in 6 of 6 shared categories: General LLM, Reasoning, Science, Coding › Web dev, Long context, and Factuality.

Claude Opus 5: $10 per 1M blended tokens.

Qwen3 5 35B A3b: $0.3625 per 1M blended tokens.

Claude Opus 5: closed weights.

Qwen3 5 35B A3b: open weights.

- Which to pick, General LLM: As of Oct 15, 2026, Claude Opus 5 leads Qwen3 5 35B A3b in General LLM at #11 against #122.
- Which to pick, Reasoning: As of Oct 15, 2026, Claude Opus 5 leads Qwen3 5 35B A3b in Reasoning at #9 against #125.
- Which to pick, Science: As of Oct 15, 2026, Claude Opus 5 leads Qwen3 5 35B A3b in Science at #12 against #62.
- Which to pick, Coding › Web dev: As of Oct 15, 2026, Claude Opus 5 leads Qwen3 5 35B A3b in Coding › Web dev at #6 against #100.
- Which to pick, Long context: As of Oct 15, 2026, Claude Opus 5 leads Qwen3 5 35B A3b in Long context at #9 against #124.
- Which to pick, Factuality: As of Oct 15, 2026, Claude Opus 5 leads Qwen3 5 35B A3b in Factuality at #4 against #104.

As of Oct 15, 2026, Claude Opus 5 is near state of the art, rank #4 in Factuality (since Oct 15, 2026; sources LMArena Text factuality; methodology v1.0).

As of Oct 15, 2026, Qwen3 5 35B A3b is ranked #62 in Science (since Oct 15, 2026; sources GPQA Diamond; methodology v1.0).