GPT 5.4 Mini High
OpenAI
Key facts · verified Oct 29, 2026
GPT 5.4 Mini High is an OpenAI model. Its API price is $0.75 per million input tokens and $4.50 per million output tokens. Its context window is 400K tokens. It ranks #86 on LMArena's text leaderboard (Elo 1447, read 1 Nov 2026). Source: developers.openai.com.
GPT 5.4 Mini High is a model from OpenAI. It is listed at $0.75 per million input tokens and $4.50 per million output, with a context window of 400K tokens. On LMArena's text leaderboard it scores 1447 Elo (rank 86, high effort). Its strongest category there is business management, at 63rd, and its weakest is medicine and healthcare, at 111th. 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: 1447 Elo (rank 86, high effort) · source · retrieved Nov 1, 2026
Full Specifications
$0.75 / $4.50 per million tokens | |
|---|---|
| Identity | |
| Developer | OpenAI |
| Licence | Proprietary |
| Self-hostable | No |
| Cost | |
| Blended $/1M tokensinput × 0.75 + output × 0.25 | $1.688 / 1M tokens |
| Input price | $0.750 / 1M tokens |
| Output price | $4.500 / 1M tokens |
| Capacity | |
| Context window | 400K tokens |
| Measured quality | |
| LMArena Elo | 1447 (checked Nov 2026) |
| LMArena rank | Rank 86 |
| Elo per dollarLMArena Elo ÷ blended $/1M tokens | 857 |