Claude Sonnet 4vsQwen3.6-Plus
Claude Sonnet 4 | Qwen3.6-Plus | |
|---|---|---|
| Benchmarks | ||
Nonsense detection BullshitBench v2Given a confidently-worded but nonsensical prompt, does the AI spot that it makes no sense and push back — instead of playing along and inventing an answer? The score is how often it clearly called out the nonsense. Higher is better. | 30% | 72%Best |
Coding SWE-Bench VerifiedReal coding tasks pulled from open-source projects — the AI has to find and fix actual bugs. A human-checked version of the original SWE-Bench. Higher is better. | 72.7% | — |
Science GPQA DiamondGraduate-level science questions in biology, physics, and chemistry — hard enough that subject-matter PhDs score around 65%. Higher is better. | 75.4% | — |
| Overview | ||
| Company | Anthropic | Qwen |
| Release date | May 22 2025 | Apr 2 2026 |
| Access | Proprietary | Proprietary |
Which is better: Claude Sonnet 4 or Qwen3.6-Plus?
Qwen3.6-Plus leads Claude Sonnet 4 on 1 of the 1 benchmark they both report (BullshitBench v2). Claude Sonnet 4 shipped 315 days before Qwen3.6-Plus, so benchmark comparisons should account for the intervening progress.
Published specifications for these two models are limited — see each model page for the latest details.
On BullshitBench v2, Qwen3.6-Plus leads at 72% vs Claude Sonnet 4 at 30%.
Frequently asked questions
Claude Sonnet 4 was released by Anthropic on May 22 2025.
Qwen3.6-Plus was released by Qwen on Apr 2 2026.
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