GPT 6.0 Astra

GPT 6.0 Astra is the highest-capability partner model from OpenAI for complex multi-step reasoning, difficult engineering tasks, and long-horizon agent workflows.

View model card in Model Garden

Model ID gpt-6-astra
Launch stage Preview
Supported inputs & outputs
  • Inputs:
    Text, Image
  • Outputs:
    Text
Token limits
  • Total context window: 1,050,000 tokens
  • Maximum input tokens: 922,000 tokens
  • Maximum output tokens: 128,000 tokens
Capabilities
Usage types
Versions
  • gpt-6-astra
    • Launch stage: Preview
    • Release date: November 2026
Supported regions

Model availability

  • Global
    • global endpoint
  • United States
    • us multi-region
Quota limits

global endpoint:

  • Context length: 1,050,000

us multi-region:

  • Context length: 1,050,000

Pricing See Pricing.