Claude Haiku 4.5vsQwen3.6

Claude Haiku 4.5
Qwen3.6
Specifications
Parameters
35B
Context window
256k
Benchmarks
Nonsense detection
BullshitBench v2
77%
Agentic coding
SWE-Bench Pro
49.5%
Coding
SWE-Bench Verified
73.3%
73.4%Best
Multilingual coding
SWE-Bench Multilingual
67.2%
Agentic terminal coding
Terminal-Bench 2.0
51.5%
Multidisciplinary reasoning
Humanity's Last Exam · no tools
21.4%
Science
GPQA Diamond
73%
86%Best
Chart reasoning
CharXiv Reasoning
78%
Multimodal reasoning
MMMU-Pro
75.3%
Multimodal
MMMU
81.7%
Overview
CompanyAnthropicQwen
Release dateOct 15 2025Apr 16 2026
AccessProprietaryOpen Weight

Which is better: Claude Haiku 4.5 or Qwen3.6?

Qwen3.6 leads Claude Haiku 4.5 on 2 of the 2 benchmarks they both report (SWE-Bench Verified, GPQA Diamond). Claude Haiku 4.5 shipped 183 days before Qwen3.6, so benchmark comparisons should account for the intervening progress.

Claude Haiku 4.5 is proprietary, while Qwen3.6 is open weight.

On SWE-Bench Verified, Qwen3.6 leads at 73.4% vs Claude Haiku 4.5 at 73.3%. On GPQA Diamond, Qwen3.6 leads at 86% vs Claude Haiku 4.5 at 73%.

Frequently asked questions

Claude Haiku 4.5 was released by Anthropic on Oct 15 2025.

Qwen3.6 was released by Qwen on Apr 16 2026.

Qwen3.6 leads on SWE-Bench Verified — Claude Haiku 4.5 73.3% vs Qwen3.6 73.4%.

Qwen3.6 leads on GPQA Diamond — Claude Haiku 4.5 73% vs Qwen3.6 86%.

Claude Haiku 4.5 is a proprietary model released by Anthropic. Qwen3.6 is an open weight model released by Qwen.

Other comparisons