OpenAI Codex Mini vs GPT-5
Compare OpenAI Codex Mini and GPT-5, both from OpenAI, in 16 community votes, gpt-5 wins 79% of head-to-head duels, context windows of 200K vs 400K, tested across 10 shared challenges.
Image Generation: GPT-5 wins 100% of votes
Web Design: GPT-5 wins 75% of votes
Conversation: OpenAI Codex Mini and GPT-5 are tied
Our Verdict
GPT-5Winner
OpenAI Codex MiniRunner-up
Pick GPT-5. In 16 blind votes, GPT-5 wins 79% of the time. That's not luck.
GPT-5 particularly excels in Image Generation, Web Design.
Clear winner
API pricing
Cost per 1M tokens
OpenAI Codex Mini
Input
$1.50
Output
$6.00
1.7× cheaper
GPT-5
Input
$1.25
1.2× cheaper
Output
$10.00
GPT-5 wins input (1.2× cheaper)·OpenAI Codex Mini wins output (1.7× cheaper)
Research
What we learned reading every model
FAQ
