OpenAI o3 vs Qwen3 30B A3B Thinking 2507
Compare OpenAI o3 by OpenAI against Qwen3 30B A3B Thinking 2507 by Qwen, tested across 54 shared challenges.
Our Verdict
OpenAI o3
Qwen3 30B A3B Thinking 2507Runner-up
No community votes yet. On paper, OpenAI o3 has the edge — bigger model tier, major provider backing.
Qwen3 30B A3B Thinking 2507 is 140x cheaper per token — worth considering if cost matters.
Too close to call
API pricing
Cost per 1M tokens
OpenAI o3
Input
$10.00
Output
$40.00
Qwen3 30B A3B Thinking 2507
Input
$0.07
141× cheaper
Output
$0.28
140× cheaper
Qwen3 30B A3B Thinking 2507 is cheaper on both — 141× input, 140× output
Writing DNA
Style Comparison
Similarity
38%
Qwen3 30B A3B Thinking 2507 uses 67.9x more emoji
OpenAI o3
Qwen3 30B A3B Thinking 2507
68%Vocabulary54%
14wSentence Length14w
0.26Hedging0.12
0.7Bold7.5
3.0Lists4.2
0.00Emoji0.68
0.38Headings0.93
0.12Transitions0.12
Based on 16 + 16 text responses
Research
What we learned reading every model
FAQ
