endueendue

OpenAI

GPT-6 Astra Pro

openai/gpt-6-astra-pro

GPT-6 Astra with deeper reasoning per answer. Same price, slower replies.

TextFiles, Images, Text → TextReady on endue
  • Reasoning
  • Web research

Overview

Good for

Written by endue

  • Reasoning
  • Web research

Not ideal for

From the model’s specs

Nothing in the specs rules out common agent work.

Capabilities

Tool useSupported
Structured outputSupported
JSON modeSupported
ReasoningSupported
VisionSupported
Audio inputNot supported
Video inputNot supported
File inputSupported
Long contextSupported

Specifications

Model ID
openai/gpt-6-astra-pro
Family
GPT-6
Context window
1.1M tokens
Input
Files, Images, Text
Output
Text
Released
2026-09-04