GPT-6 Astra
OpenAI · GPT-6 Astra is OpenAI's most capable model for complex reasoning, coding, computer use, research, and document creation.
Key facts
- Provider
- OpenAI
- Context window
- 1.1M tokens
- Max output
- 128K tokens
- Input price
- $10 / M tok
- Output price
- $50 / M tok
- Knowledge cutoff
- Apr 30, 2026
- Released
- Sep 4, 2026
- License
- —
Capabilities
ReasoningTool callingStructured outputFile attachmentsTemperature controlOpen weights
Reasoning options
- effort low · medium · high · xhigh · max
Pricing
USD per million tokens, list API rates.
- Input
- $10
- Output
- $50
- Cache read
- $1
- Cache write
- $12.5
Modalities
- Input
- Text, Image, Pdf
- Output
- Text