GPT-6 Astra Pro
OpenAI🇺🇸
openai/gpt-6-astra-proGPT-6 Astra Pro is OpenAI's flagship GPT-6 Astra served with reasoning mode set to "pro" for higher-quality answers on the hardest tasks, keeping the same 1.05M-token context window and $10/$50 per-million input/output pricing as the base model. It targets demanding end-to-end work such as advanced analysis, software engineering, deep research, scientific work, and long-horizon agentic tasks involving computer and browser use, trading extra latency and reasoning cost for maximum quality.
Cost rate
10x
Context
1.1M
Released
Sep 4, 2026
Input
FileImageText
Output
Text
Support
ReasoningTool callingStructured outputs