gpt-6-astra open weights and deployment

Status: Unavailable. OpenAI publishes no GPT-6 Astra weights. The model is served through the OpenAI API (Responses, Chat Completions and Batch) and on Amazon Bedrock in us-west-2.

Need to self-host? Open-weight alternatives: deepseek-flash, glm-5.3-flash.

License
Proprietary hosted model
Hardware note
Not applicable
Recommended runtime
ChinaAPI or the OpenAI API
Verified date
2026-09-24

Published model card

Parameter count
Not disclosed
Context window
1,050,000 tokens (up to 922,000 input)
Maximum output
128,000 tokens
Input/output modalities
Text and image input; text output

Official sources