GPT-5.3-Codex vs Qwen: Qwen3 235B A22B Thinking 2507
Compare GPT-5.3-Codex by OpenAI against Qwen: Qwen3 235B A22B Thinking 2507 by Qwen, context windows of 400K vs 131K, tested across 53 shared challenges.
Our Verdict
GPT-5.3-Codex
Qwen: Qwen3 235B A22B Thinking 2507Runner-up
No community votes yet. On paper, GPT-5.3-Codex has the edge — newer, bigger context window, major provider backing.
Qwen: Qwen3 235B A22B Thinking 2507 is 23x cheaper per token — worth considering if cost matters.
Too close to call
API pricing
Cost per 1M tokens
GPT-5.3-Codex
Input
$1.75
Output
$14.00
Qwen: Qwen3 235B A22B Thinking 2507
Input
$0.11
16× cheaper
Output
$0.60
23× cheaper
Qwen: Qwen3 235B A22B Thinking 2507 is cheaper on both — 16× input, 23× output
Writing DNA
Style Comparison
Similarity
52%
Qwen: Qwen3 235B A22B Thinking 2507 uses 5.0x more transitions
GPT-5.3-Codex
Qwen: Qwen3 235B A22B Thinking 2507
65%Vocabulary56%
23wSentence Length14w
0.51Hedging0.37
6.5Bold5.7
6.2Lists4.0
0.16Emoji0.54
1.90Headings0.70
0.03Transitions0.14
Based on 23 + 22 text responses
Research
What we learned reading every model
FAQ
