Google: Gemini 2.5 Flash Lite Preview 09-2025 vs GPT-5.1 Codex Max
Compare Google: Gemini 2.5 Flash Lite Preview 09-2025 by Google AI against GPT-5.1 Codex Max by OpenAI, tested across 53 shared challenges.
Our Verdict
GPT-5.1 Codex Max
Google: Gemini 2.5 Flash Lite Preview 09-2025Runner-up
No community votes yet. On paper, GPT-5.1 Codex Max has the edge — bigger model tier, newer.
Too close to call
API pricing
Cost per 1M tokens
Google: Gemini 2.5 Flash Lite Preview 09-2025
Input
$0.10
Output
$0.40
GPT-5.1 Codex Max
Input
—
Output
—
Writing DNA
Style Comparison
Similarity
37%
Google: Gemini 2.5 Flash Lite Preview 09-2025 uses 6.0x more headings
Google: Gemini 2.5 Flash Lite Preview 09-2025
GPT-5.1 Codex Max
52%Vocabulary60%
19wSentence Length16w
0.35Hedging0.36
6.3Bold2.3
2.8Lists4.2
0.00Emoji0.00
0.74Headings0.12
0.12Transitions0.03
Based on 22 + 13 text responses
Research
What we learned reading every model
FAQ
