OpenAI / MODEL CARD
GPT 6 Astra
For your most demanding work.
Overview
OpenAI’s highest-capability GPT 6 model for complex reasoning, software development, research, computer use, and document creation.
Working with GPT 6 Astra
Reasoning effort ranges from low to max. Large-context requests have different official rates.
Specifications
- Official model ID
gpt-6-astra- Context window
- 1,050,000 tokens
- Maximum output
- 128,000 tokens
- Input
- Text and images
- Output
- Text
- Knowledge cutoff
- April 2026
Manufacturer specifications · checked October 8, 2026. Cloud limits are shown separately below.
OpenAI model documentation ↗Reference pricing
OpenAI standard text rates / 1M tokens
Input$10.00
Output$50.00
Manufacturer rates. Long context, caching, tools, and processing modes can change the price. See the official documentation for details.
opencodex Cloud
Cloud access and prices are shown separately from manufacturer specifications.
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