Claude Opus 4.1vsQwen3 Coder Plus
Qwen3 Coder Plus is cheaper than Claude Opus 4.1 at $1/M vs $15/M input tokens.
| Spec | Claude Opus 4.1 | Qwen3 Coder Plus |
|---|---|---|
| Input price | $15/M tokens | $1/M tokens |
| Output price | $75/M tokens | $5/M tokens |
| Context window | 200K tokens | 128K tokens |
| Weights | Closed | Closed |
| Free API (OpenRouter) | No | No |
| Released | Aug 2025 | Sep 2025 |
| SWE-bench Verified | 74.5% | 69.6% |
Our Verdict
Claude Opus 4.1
Qwen3 Coder PlusRunner-up
Not enough votes to call it. On the specs, Claude Opus 4.1 has the edge: bigger model tier, bigger context window, major provider backing.
Qwen3 Coder Plus costs 15x less per token.
Too close to call
Reviewing agent-written code?See a Brief PR report
API pricing
Cost per 1M tokens
Claude Opus 4.1
Input
$15.00
Output
$75.00
Qwen3 Coder Plus
Input
$1.00
15× cheaper
Output
$5.00
15× cheaper
Qwen3 Coder Plus is cheaper on both: 15× input, 15× output.
Where to run it
3 hosts
Qwen3 Coder Plus1 host
Per million tokens. Prices and uptime via OpenRouter, checked 13 Sep 2026.
Writing DNA
Style Comparison
Similarity
94%
Claude Opus 4.1 uses 6.9x more emoji
Claude Opus 4.1
Qwen3 Coder Plus
63%Vocabulary67%
64wSentence Length62w
0.72Hedging0.69
4.5Bold3.3
5.3Lists5.3
0.81Emoji0.12
1.42Headings1.60
0.16Transitions0.14
Based on 26 + 28 text responses
Research
What we learned reading every model
FAQ
Common questions
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