OpenAI
GPT-6 Luna
openai/gpt-6-luna-pro
GPT-6 Luna Pro is the same underlying model as [GPT-6 Luna](https://openrouter.ai/openai/gpt-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.
GPT-6 Luna usage over time
Vercel AI Gateway share of tokens, by day.
GPT-6 Luna holds 6.59% today, up from 0.19% at the start of the visible window.
Rank history
Adoption curve vs the pantheon
GPT-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 2026-10-09, GPT-6 Luna holds 6.6% of Vercel AI Gateway token share, up 6.59pp over 30 days. Source: Tidelines (Vercel AI Gateway).
Cost per session
Median dollars spent on one GPT-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 | $0.0022 | $0.0077 | $0.077 | $1.07 |
Where to run it
GPT-6 Luna pricing by provider
Per-provider pricing, context, and uptime via OpenRouter. Sorted by output price.
GPT-6 Luna is served by 5 tracked endpoints on OpenRouter. The cheapest output price is $0.25 per million tokens from OpenAI · 1050k, and the most expensive is $1.00 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 | $0.05 | $0.25 | 1050k | 100.00% |
| OpenAI · 1050k | $0.10 | $0.50 | 1050k | 100.00% |
| Azure · 1050k | $0.10 | $0.50 | 1050k | 100.00% |
| Azure · 1050k | $0.11 | $0.55 | 1050k | — |
| OpenAI · 1050k | $0.20 | $1.00 | 1050k | — |