GPT 4.1
OpenAI
Key facts · verified Oct 29, 2026
GPT 4.1 is an OpenAI model. Its API price is $2 per million input tokens and $8 per million output tokens. Its context window is 1M tokens. It ranks #144 on LMArena's text leaderboard (Elo 1415, read 1 Nov 2026). Source: developers.openai.com.
GPT 4.1 is a model from OpenAI. It is listed at $2 per million input tokens and $8 per million output, with a context window of 1M tokens. On LMArena's text leaderboard it scores 1415 Elo (rank 144). Its strongest category there is creative writing, at 105th, and its weakest is mathematics, at 197th. 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: 1415 Elo (rank 144) · source · retrieved Nov 1, 2026
Full Specifications
$2 / $8 per million tokens | |
|---|---|
| Identity | |
| Developer | OpenAI |
| Licence | Proprietary |
| Self-hostable | No |
| Cost | |
| Blended $/1M tokensinput × 0.75 + output × 0.25 | $3.500 / 1M tokens |
| Input price | $2.000 / 1M tokens |
| Output price | $8.000 / 1M tokens |
| Capacity | |
| Context window | 1M tokens |
| Measured quality | |
| LMArena Elo | 1415 (checked Nov 2026) |
| LMArena rank | Rank 144 |
| Elo per dollarLMArena Elo ÷ blended $/1M tokens | 404 |