// OpenAI
GPT-6 Luna Pro
A OpenAI model. 1 prices across 1 channels side by side, each with its source and check date – plus specs, licence, speed and benchmarks.
- Official in/out per 1M
- —
- Lowest (OpenRouter)
- $0.1 / $0.5
- Context
- 1.05M
- Prices listed
- 1
Prices checked 2026-10-27Official sources linked on every rowNo estimatesCheapest LLM APIs →
01Specs at a glance
Official values first; gaps filled from OpenRouter’s API where the vendor page is silent.
| Vendor | OpenAI |
|---|---|
| Context window | 1.05M (1,050,000 tokens) |
| Max output | 128K |
| Input | File/PDF · Image · Text |
| Output | Text |
| Tool calling / JSON | Yes / Yes |
| Weights & licence | Unknown · Unknown |
| Released | Sep 23, 2026 (OpenRouter listing date) |
| Model IDs | openai/gpt-6-luna-pro |
02Prices on 1 channels
Per 1M tokens, in the currency each source publishes (1 USD = 6.7 CNY for the blended column). Sorted: official first, then cheapest.
| Channel | Source | Input | Output | Cache hit | Blended $ | Context | Notes |
|---|---|---|---|---|---|---|---|
| OpenRouter Via OpenRouter / provider listed there | OpenRouter Unverified 10-27 | $0.1 | $0.5 | $0.01 | 0.2 | 1.05M | OpenRouter list price; auto-added by new-model discovery 2026-10-24; official vendor page not verified |
“Official” = vendor pricing page; “Platform” = the platform’s own pricing page; “OpenRouter” = price listed on OpenRouter, not checked on the platform’s site. Click a source tag to open the original page.
03Where you can use it
Derived only from the price sources above. Country restrictions are set by each vendor – check their terms before you sign up.
- Via OpenRouter / provider listed there
OpenRouter
05Price changes we recorded
All price changes →From our daily re-checks of the sources above.
- 2026-10-24 · OpenRouter · new listing
06More from OpenAI
Subscription price by country
- ChatGPT Plus price by country· cheapest Philippines $15.69, US $19.97
- ChatGPT Pro 200 price by country· cheapest Philippines $156.88, US $199.81
FAQ
How much does the GPT-6 Luna Pro API cost?
There is no official pay-as-you-go price in our data. The lowest listed price is $0.1 / $0.5 on OpenRouter.
What is the context window of GPT-6 Luna Pro?
1.05M tokens of context, up to 128K output tokens. Platforms may cap it lower – see the table.
Is GPT-6 Luna Pro open source?
Not confirmed in our data.