GPT-5.1vsQwen3 Coder
Qwen3 Coder is cheaper than GPT-5.1 at $0.22/M vs $1.25/M input tokens.
| Spec | GPT-5.1 | Qwen3 Coder |
|---|---|---|
| Input price | $1.25/M tokens | $0.22/M tokens |
| Output price | $10/M tokens | $0.95/M tokens |
| Context window | 400K tokens | — |
| Weights | Closed | Open |
| Free API (OpenRouter) | No | No |
| Released | Nov 2025 | Jul 2025 |
| SWE-bench Verified | 76.3% | 69.6% |
Our Verdict
GPT-5.1
Qwen3 CoderRunner-up
Not enough votes to call it. On the specs, GPT-5.1 has the edge: newer, bigger context window, major provider backing.
Qwen3 Coder costs 11x less per token.
Too close to call
API pricing
Cost per 1M tokens
GPT-5.1
Input
$1.25
Output
$10.00
Qwen3 Coder
Input
$0.22
5.7× cheaper
Output
$0.95
11× cheaper
Qwen3 Coder is cheaper on both: 5.7× input, 11× output.
Where to run it
7 hosts, cheapest first
Per million tokens. Prices and uptime via OpenRouter, checked 9 Sep 2026.
Writing DNA
Style Comparison
Similarity
47%
Qwen3 Coder uses 37.5x more emoji
GPT-5.1
Qwen3 Coder
62%Vocabulary61%
19wSentence Length62w
0.29Hedging0.62
3.5Bold4.4
7.2Lists4.9
0.00Emoji0.37
0.61Headings1.31
0.03Transitions0.17
Based on 14 + 28 text responses
Research
What we learned reading every model
FAQ
Common questions
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