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OpenAI
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. **Cost note:** pro mode spends far more...
Only tracked on Vercel AI Gateway.
Vercel AI Gateway share of tokens, by day.
GPT 5.6 Luna holds 2.50% today, up from 0.04% at the start of the visible window.
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 2026-10-15, GPT 5.6 Luna holds 2.5% of Vercel AI Gateway token share, down 1.12pp over 30 days. Data: Vercel AI Gateway as of 2026-10-15. tidelines.ai
Where to run it
Per-provider pricing, context, and uptime via OpenRouter. Sorted by output price.
GPT 5.6 Luna is served by 5 tracked endpoints on OpenRouter. The cheapest output price is $0.60 per million tokens from OpenAI · 1050k, and the most expensive is $2.40 from OpenAI · 1050k. The largest context window offered is 1050k tokens. Prices are list rates and refresh daily.
| Provider | Input $/M | Output $/M | Context | Uptime |
|---|---|---|---|---|
| OpenAI · 1050k | $0.100 | $0.60 | 1050k | — |
| Azure · 1050k | $0.20 | $1.20 | 1050k | — |
| OpenAI · 1050k | $0.20 | $1.20 | 1050k | 100.00% |
| Azure · 1050k | $0.22 | $1.32 | 1050k | — |
| OpenAI · 1050k | $0.40 | $2.40 | 1050k | — |
Median dollars spent on one GPT 5.6 Luna session, by coding agent and session length.
Token rate sets the price; session length and reasoning set the bill.
| Agent | 1 turn | 2–9 turns | 10–49 turns | 50+ turns |
|---|---|---|---|---|
| Hermes Agent | $0.0053 | $0.025 | $0.168 | $1.95 |
