token.app › Compare › Claude Sonnet 4.5 vs Qwen3.6 Flash
Claude Sonnet 4.5 vs Qwen3.6 Flash
Qwen3.6 Flash leads on 2 of 3 shared benchmarks. Qwen3.6 Flash is 14× cheaper per token on a blended 3:1 basis.
Head to head
Blended price uses a 3:1 input:output mix
| Claude Sonnet 4.5 | Qwen3.6 Flash | |
|---|---|---|
| Provider | Anthropic | Alibaba |
| Input $/1M | $3.00 | $0.188 |
| Output $/1M | $15.00 | $1.13 |
| Blended $/1M | $6.00 | $0.422 |
| Context window | 1M | 1M |
| Max output | 64K | 66K |
| Released | Sep 2025 | Apr 2026 |
| Licence | Proprietary | Proprietary |
| GPQA Diamond | 82.3% | 83.3% |
| SimpleQA Verified | 23.6% | 21.2% |
| OTIS Mock AIME | 77.8% | 84.4% |
Benchmark scores independently run and published by Epoch AI, 'AI Benchmarking Hub', used under CC BY 4.0. Only benchmarks with a score for BOTH models are compared.
Choose Claude Sonnet 4.5 if…
- Higher SimpleQA Verified (23.6% vs 21.2%)
Choose Qwen3.6 Flash if…
- Costs less per token — $0.422 vs $6.00 blended
- Higher GPQA Diamond (83.3% vs 82.3%)
- Higher OTIS Mock AIME (84.4% vs 77.8%)
- Newer model (released Apr 2026)
FAQ
Which is better, Claude Sonnet 4.5 or Qwen3.6 Flash?
Across the 3 benchmarks both models have independently-run scores for, Claude Sonnet 4.5 leads on 1 and Qwen3.6 Flash leads on 2. Benchmarks are one input — price and context window are on this page too.
Is Claude Sonnet 4.5 cheaper than Qwen3.6 Flash?
Qwen3.6 Flash is cheaper: $0.422 versus $6.00 per million tokens blended at 3:1 input:output. Input alone: $3.00 vs $0.188. Output alone: $15.00 vs $1.13.
What context windows do Claude Sonnet 4.5 and Qwen3.6 Flash have?
Claude Sonnet 4.5: 1,000,000 tokens. Qwen3.6 Flash: 1,000,000 tokens.
Who makes Claude Sonnet 4.5 and Qwen3.6 Flash?
Claude Sonnet 4.5 is made by Anthropic. Qwen3.6 Flash is made by Alibaba.
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