GPT-6 Astra
by OpenAIChat
GPT-6 Astra is OpenAI's most capable model for complex reasoning, coding, computer use, research, and document creation.
- Context
- 1.05M tokens
- Max output
- 128,000 tokens
- Released
- 2026-09-04
- Weights
- Closed
openai/gpt-6-astra · also seen as duo-chat-gpt-6-astra, global.openai.gpt-6-astra, us.openai.gpt-6-astra, infer/gpt-6-astra:official, +9 more
Specifications
Full facts as recorded, incl. what is unknown.
- Released
- 2026-09-04
- Weights
- Closed
- Input
- Text, Image, PDF
- Output
- Text
- Context window
- 1,050,000 max across endpoints
- Max output
- 128,000
- Providers
- 18 + 21 gateways, not counted as providers
- Epoch Capabilities Index
- 166.4 ± 3.9 against price
- Direct price range
- $10–$13 in · $50–$65 out per 1M tokens · 16 of 18 providers have a comparable price
More details
- Last updated
- 2026-09-04
- Knowledge cutoff
- 2026-04-30
- Developer country
- United States of America
- Training compute
- 9.4×10²⁶ FLOP
Capabilities
Across all endpoints: supported if any endpoint supports it.
- Tool calling
- Parallel tools
- Structured output
- Reasoning
- Image input
- PDF input
- Audio input
- Audio outputunknown
- Video input
- Prompt caching
- Web search
- Computer use
- System messages
- Assistant prefillunknown
- Temperature
- Streaming
- 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 $10 in / $50 out per 1M tokens at OpenAI 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 Astra |
|---|---|---|---|---|---|
| Claude Fable LatestAnthropic | $16.67 | $10 | $50 | 1M | +0% |
| Claude Fable 5Anthropic | $16.67 | $10 | $50 | 1M | +0% |
| Claude Fable 5.1Anthropic | $16.67 | $10 | $50 | 1M | +0% |
| GPT LatestOpenAI | $16.67 | $10 | $50 | 1.05M | +0% |
| GPT-6 Astra ProOpenAI | $16.67 | $10 | $50 | 1.05M | +0% |
| GPT Astra LatestOpenAI | $16.67 | $10 | $50 | 1.05M | +0% |
| GPT-4 TurboOpenAI | $13.33 | $10 | $30 | 128K | −20% cheaper |
| Nano Banana ProGoogle | $21.67 | $2.00 | $120 | 131K | +30% |
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| 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-6 Luna Pro | 2026-09-22 | 1.05M | from $0.10 |