GPT-6 Astra Now Available on Amazon Bedrock
OpenAI's GPT-6 Astra is generally available via Amazon Bedrock, offering deeper reasoning, a 1 M‑token context window, and enterprise‑grade security controls.
Original source published: September 8, 2026
OpenAI’s GPT-6 Astra is now generally available on Amazon Bedrock. The model can be called directly through Bedrock APIs or used via ChatGPT Work and Codex, and enterprise plugins extend its browser‑use capabilities across common business applications. Astra supports a context window of up to one million input tokens and offers both implicit and explicit prompt caching to reuse context across requests, reducing processing cost and latency.
The model includes layered security: model‑level safeguards classified as Critical for cybersecurity monitor misuse in real time, while Bedrock enforces zero‑operator access, encryption in transit and at rest, IAM‑based access control, CloudTrail logging, and optional VPC PrivateLink routing. Inference data is not used for model training, and customers can request zero data retention.
For learners and developers, Astra can power autonomous agents in ChatGPT Work for document synthesis, spreadsheet creation, and multi‑step workflows, or be paired with Codex to assist code investigation, implementation, and testing, illustrating how advanced LLMs can be integrated into production‑scale AI applications.