GPT-5.1-Codex vs Qwen3 Next 80B A3B Thinking
Compare GPT-5.1-Codex by OpenAI against Qwen3 Next 80B A3B Thinking by Qwen, context windows of 400K vs 66K, tested across 52 shared challenges.
Our Verdict
GPT-5.1-Codex
Qwen3 Next 80B A3B ThinkingRunner-up
No community votes yet. On paper, GPT-5.1-Codex has the edge — bigger model tier, newer, bigger context window, major provider backing.
Qwen3 Next 80B A3B Thinking is 6.7x cheaper per token — worth considering if cost matters.
Slight edge
API pricing
Cost per 1M tokens
GPT-5.1-Codex
Input
$1.25
Output
$10.00
Qwen3 Next 80B A3B Thinking
Input
$0.15
8.3× cheaper
Output
$1.50
6.7× cheaper
Qwen3 Next 80B A3B Thinking is cheaper on both — 8.3× input, 6.7× output
Writing DNA
Style Comparison
Similarity
33%
Qwen3 Next 80B A3B Thinking uses 57.7x more emoji
GPT-5.1-Codex
Qwen3 Next 80B A3B Thinking
70%Vocabulary54%
17wSentence Length16w
0.39Hedging0.31
3.4Bold6.0
3.5Lists4.5
0.00Emoji0.58
0.50Headings0.88
0.38Transitions0.10
Based on 14 + 17 text responses
Research
What we learned reading every model
FAQ
