GPT-6 Astra: A new generation of intelligence
We’re introducing GPT‑6 Astra, the world’s most intelligent and aligned model.
OpenAI
Specs
Model
- Family
- GPT-6
- Variant
- Astra
- Weights
- Proprietary
Limits
- Context
- 1,050,000 tokens
- Max output
- 128,000 tokens
Modalities
- Input
- Text Image
- Output
- Text
Pricing
- Input
- $10 / 1M
- Output
- $50 / 1M
- Cache read
- $1 / 1M
- Cache write
- $12.5 / 1M
Capabilities
- Reasoning
- Yes
- Reasoning control
- Effort levels
- Tool calling
- Yes
- Attachments
- Yes
Dates
- Released
- 3 Sept 2026
- Knowledge cutoff
- 30 Apr 2026
Articles
All articlesopenai.com
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