Claude Opus 4vsQwen3 Coder Flash
Qwen3 Coder Flash is cheaper than Claude Opus 4 at $0.3/M vs $15/M input tokens.
| Spec | Claude Opus 4 | Qwen3 Coder Flash |
|---|---|---|
| Input price | $15/M tokens | $0.3/M tokens |
| Output price | $75/M tokens | $1.5/M tokens |
| Context window | 200K tokens | 128K tokens |
| Weights | Closed | Closed |
| Free API (OpenRouter) | No | No |
| Released | May 2025 | Sep 2025 |
| SWE-bench Verified | 72.5% | 50.3% |
Our Verdict
Claude Opus 4
Qwen3 Coder FlashRunner-up
Not enough votes to call it. On the specs, Claude Opus 4 has the edge: bigger model tier, bigger context window, major provider backing.
Qwen3 Coder Flash costs 50x less per token.
Too close to call
API pricing
Cost per 1M tokens
Claude Opus 4
Input
$15.00
Output
$75.00
Qwen3 Coder Flash
Input
$0.30
50× cheaper
Output
$1.50
50× cheaper
Qwen3 Coder Flash is cheaper on both: 50× input, 50× output.
Where to run it
2 hosts
Claude Opus 41 host
Qwen3 Coder Flash1 host
Per million tokens. Prices and uptime via OpenRouter, checked 9 Sep 2026.
Writing DNA
Style Comparison
Similarity
68%
Claude Opus 4 uses 5.5x more emoji
Claude Opus 4
Qwen3 Coder Flash
65%Vocabulary60%
57wSentence Length85w
0.67Hedging0.56
3.8Bold5.6
6.8Lists5.8
1.18Emoji0.22
1.42Headings1.49
0.22Transitions0.15
Based on 27 + 28 text responses
Research
What we learned reading every model
FAQ
Common questions
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