OpenAI
GPT 5.6 Luna
openai/gpt-5.6-luna-pro
GPT-5.6 Luna Pro is the same underlying model as [GPT-5.6 Luna](https://openrouter.ai/openai/gpt-5.6-luna), served with `reasoning.mode` set to `pro` for higher-quality responses on complex tasks.
Only tracked on Vercel AI Gateway.
GPT 5.6 Luna usage over time
Vercel AI Gateway share of tokens, by day.
GPT 5.6 Luna holds 3.06% today, up from 0.04% at the start of the visible window.
Rank history
Adoption curve vs the pantheon
GPT 5.6 Luna's share plotted against days since first tracked, overlaid on other current leaders on the same axis. The question every new-model page asks: is this one going to make it?
Citable stat
As of 2026-07-18, GPT 5.6 Luna holds 3.1% of Vercel AI Gateway token share, up 3.06pp over 30 days. Source: Tidelines (Vercel AI Gateway).
Where to run it
Providers & pricing
Per-provider pricing, context, and uptime via OpenRouter. Sorted by output price.
| Provider | Input $/M | Output $/M | Context | Uptime |
|---|---|---|---|---|
| OpenAI · 1050k | $0.50 | $3.00 | 1050k | 96.44% |
| OpenAI · 1050k | $1.00 | $6.00 | 1050k | 96.44% |
| Azure · 1050k | $1.00 | $6.00 | 1050k | — |
| Azure · 1050k | $1.10 | $6.60 | 1050k | — |
| OpenAI · 1050k | $2.00 | $12.00 | 1050k | 96.44% |