OpenAI
GPT-5.1 family
GPT-5.1 is the general row and has an LMArena score. Codex, Codex Mini, and Codex Max are different SKUs. Unrated stays unrated. Prices are the API rows in this catalogue, not a ChatGPT subscription.
People searched gpt 5.1 cost, gpt-5.1 codex max.
Standard rows
| Model | LMArena | In / out | |
|---|---|---|---|
| GPT-5.1 | 1441.4 | $1.25 / $10.00 | Check |
| GPT-5.1-Codex | unrated | $1.25 / $10.00 | Check |
| GPT-5.1-Codex-Mini | unrated | $0.250 / $2.00 | Check |
| GPT-5.1-Codex-Max | unrated | $1.25 / $10.00 | Check |
Questions this page answers
Are GPT-5.1 family SKUs interchangeable?
GPT-5.1 is the general row and has an LMArena score. Codex, Codex Mini, and Codex Max are different SKUs. Unrated stays unrated. Prices are the API rows in this catalogue, not a ChatGPT subscription.
Which OpenAI rows are in this catalogue?
4 published standard rows are listed below. 1 have an LMArena score. Unrated stays unrated.