Claude 3 HaikuvsQwen3-Coder
Claude 3 Haiku | Qwen3-Coder | |
|---|---|---|
| Specifications | ||
Parameters | — | 480B |
Context window | — | 256k |
| 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. | 10% | 20%Best |
Science GPQA DiamondGraduate-level science questions in biology, physics, and chemistry — hard enough that subject-matter PhDs score around 65%. Higher is better. | 33.3% | — |
| Overview | ||
| Company | Anthropic | Qwen |
| Release date | Mar 4 2024 | Jul 22 2025 |
| Access | Proprietary | Open Weight |
Which is better: Claude 3 Haiku or Qwen3-Coder?
Qwen3-Coder leads Claude 3 Haiku on 1 of the 1 benchmark they both report (BullshitBench v2). Claude 3 Haiku shipped 505 days before Qwen3-Coder, so benchmark comparisons should account for the intervening progress.
Claude 3 Haiku is proprietary, while Qwen3-Coder is open weight.
On BullshitBench v2, Qwen3-Coder leads at 20% vs Claude 3 Haiku at 10%.
Frequently asked questions
Claude 3 Haiku was released by Anthropic on Mar 4 2024.
Qwen3-Coder was released by Qwen on Jul 22 2025.
Claude 3 Haiku is a proprietary model released by Anthropic. Qwen3-Coder is an open weight model released by Qwen.
Other comparisons
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