GPT 5.6 Luna
OpenAI
An OpenAI model tracked on LMArena's text leaderboard. Pricing, context and licence below are sourced from LMArena's published dataset; this entry hasn't had an individual editorial write-up yet.
Pricing & specs verifiedSource: vendor documentation · checked Sep 26, 2026LMArena: 1454 (rank 70) · leaderboard · retrieved Sep 26, 2026
Pricing
$1 / $6 per 1M tokens
Context
Not published
LMArena Elo
1454
Overall rank
#70
Full Specifications
$1 / $6 per 1M tokens | |
|---|---|
| Identity | |
| Developer | OpenAI |
| Licence | Proprietary |
| Self-hostable | No |
| Cost | |
| Blended $/1M tokensinput × 0.75 + output × 0.25 | $2.250 / 1M tokens |
| Input price | $1.000 / 1M tokens |
| Output price | $6.000 / 1M tokens |
| Measured quality | |
| LMArena Elo | 1454 (xhigh effort, checked Sep 2026) |
| LMArena rank | Rank 70 |
| Elo per dollarLMArena Elo ÷ blended $/1M tokens | 646 |