GPT-6 Luna Pro
by OpenAIChat
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. Learn more in OpenAI's docs: https://developers.openai.com/api/docs/guides/reasoning#reasoning-mode
- Context
- 1.05M tokens
- Max output
- 128,000 tokens
- Released
- 2026-09-22
- Weights
- Closed
openai/gpt-6-luna-pro · also seen as openai/gpt-6-luna-pro-20260922, openai/gpt-6-luna-pro:batch
Specifications
Full facts as recorded, incl. what is unknown.
- Released
- 2026-09-22
- Weights
- Closed
- Input
- PDF, Image, Text
- Output
- Text
- Context window
- 1,050,000 max across endpoints
- Max output
- 128,000
- Providers
- 2 + 3 gateways, not counted as providers
- Epoch Capabilities Index
- not evaluated
- Direct price range
- $0.10 in · $0.50 out per 1M tokens · 1 of 2 providers have a comparable price
More details
- Last updated
- 2026-09-22
- Knowledge cutoff
Capabilities
Across all endpoints: supported if any endpoint supports it.
- Tool calling
- Parallel toolsunknown
- Structured output
- Reasoning
- Image input
- PDF input
- Audio input
- Audio outputunknown
- Video input
- Prompt cachingunknown
- Web searchunknown
- Computer useunknown
- System messagesunknown
- Assistant prefillunknown
- Temperature
- Streamingunknown
- Attachments
Endpoints
One row per provider and variant; gateways are listed separately.
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Price history
Atom feedNo change since 19 Oct 2026. The cheapest direct price has been $0.10 in / $0.50 out per 1M tokens at Azure on every data refresh since then.
Tracked from 19 Oct 2026. Headline-eligible direct prices only, so a price the sanity check flags never draws a spike. Series as JSON
Cost calculator
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Similarly priced models
Blended rate per 1M tokens, each at its own cheapest provider (10M input : 2M output mix).
| Model | Blended/1M | In/1M | Out/1M | Context | vs GPT-6 Luna Pro |
|---|---|---|---|---|---|
| Claude Haiku LatestAnthropic | $0.167 | $0.10 | $0.50 | 1M | +0% |
| Claude Haiku 5.5Anthropic | $0.167 | $0.10 | $0.50 | 1M | +0% |
| GPT-6 LunaOpenAI | $0.167 | $0.10 | $0.50 | 1.05M | +0% |
| GPT Luna LatestOpenAI | $0.167 | $0.10 | $0.50 | 1.05M | +0% |
| Trendyol Asure 12BTrendyol | $0.167 | $0.10 | $0.50 | 41K | +0% |
| mistral-7b-instruct-v0.2Mistral AI | $0.169 | $0.159 | $0.219 | 32.8K | +1% |
| Voxtral SmallMistral AI | $0.164 | $0.123 | $0.368 | 32.8K | −2% cheaper |
| DeepSeek V4 Flash Vision ExpDeepSeek | $0.163 | $0.14 | $0.28 | 1.05M | −2% cheaper |
More from OpenAI
Newest OpenAI models in the catalogue. All OpenAI models
| Model | Released | Context | Listed price |
|---|---|---|---|
| GPT-6.1 Sol Ultrafast | 2026-10-08 | 1.05M | from $12 |
| GPT-6 Luna Decisions | 2026-10-06 | 1.05M | unpriced |
| GPT-6.1 Sol | 2026-09-29 | 1.05M | from $2.00 |
| GPT-6.1 Sol Pro | 2026-09-29 | 1.05M | from $2.00 |
| GPT-6 Luna | 2026-09-22 | 1.05M | from $0.10 |
| GPT-6 Sol | 2026-09-22 | 1.05M | from $2.00 |
| GPT-6 Sol Pro | 2026-09-22 | 1.05M | from $2.00 |
| GPT Luna Latest | 2026-09-11 | 1.05M | $0.10 via NanoGPT |