OpenAI o3vsQwen3.5 397B A17B
Qwen3.5 397B A17B is cheaper than OpenAI o3 at $0.6/M vs $10/M input tokens.
| Spec | OpenAI o3 | Qwen3.5 397B A17B |
|---|---|---|
| Input price | $10/M tokens | $0.6/M tokens |
| Output price | $40/M tokens | $3.6/M tokens |
| Context window | — | 262K tokens |
| Released | Apr 2025 | Feb 2026 |
| SWE-bench Verified | 69.1% | 76.4% |
Our Verdict
OpenAI o3
Qwen3.5 397B A17B
Not enough votes to call it. On the specs, nothing separates them.
Qwen3.5 397B A17B costs 11x less per token.
Too close to call
API pricing
Cost per 1M tokens
OpenAI o3
Input
$10.00
Output
$40.00
Qwen3.5 397B A17B
Input
$0.60
17× cheaper
Output
$3.60
11× cheaper
Qwen3.5 397B A17B is cheaper on both — 17× input, 11× output
Writing DNA
Style Comparison
Similarity
34%
Qwen3.5 397B A17B uses 22.8x more emoji
OpenAI o3
Qwen3.5 397B A17B
70%Vocabulary54%
14wSentence Length14w
0.27Hedging0.39
0.6Bold6.9
2.8Lists4.2
0.00Emoji0.23
0.32Headings0.93
0.10Transitions0.17
Based on 19 + 23 text responses
Research
What we learned reading every model
FAQ
Common questions
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