GPT 4o Mini
OpenAI
Key facts · verified Oct 29, 2026
GPT 4o Mini is an OpenAI model. Its API price is $0.15 per million input tokens and $0.60 per million output tokens. Its context window is 128K tokens. It ranks #268 on LMArena's text leaderboard (Elo 1318, read 1 Nov 2026). Source: developers.openai.com.
GPT 4o Mini is a model from OpenAI. It is listed at $0.15 per million input tokens and $0.60 per million output, with a context window of 128K tokens. On LMArena's text leaderboard it scores 1318 Elo (rank 268). Its strongest category there is legal and government work, at 236th, and its weakest is hard prompts, at 285th. Figures here come from LMArena’s published dataset rather than from the vendor’s own documentation.
Pricing & specs checkedSource: vendor documentation · checked Oct 29, 2026LMArena: 1318 Elo (rank 268) · source · retrieved Nov 1, 2026
Full Specifications
$0.15 / $0.60 per million tokens | |
|---|---|
| Identity | |
| Developer | OpenAI |
| Licence | Proprietary |
| Self-hostable | No |
| Cost | |
| Blended $/1M tokensinput × 0.75 + output × 0.25 | $0.262 / 1M tokens |
| Input price | $0.150 / 1M tokens |
| Output price | $0.600 / 1M tokens |
| Capacity | |
| Context window | 128K tokens |
| Measured quality | |
| LMArena Elo | 1318 (checked Nov 2026) |
| LMArena rank | Rank 268 |
| Elo per dollarLMArena Elo ÷ blended $/1M tokens | 5021 |