GPT-6 Astra Generally Available in GitHub Copilot and Microsoft Foundry | Model Release
GPT 6 Astra from OpenAI is generally available in GitHub Copilot and Microsoft Foundry as of September 4, 2026.
Published on MyPrivateClaw
Sep 5, 2026, 9:27 AM UTC
Coverage date
Sep 4, 2026
Last updated
Sep 5, 2026, 9:27 AM UTC
News summary
GPT 6 Astra from OpenAI is generally available in GitHub Copilot for Pro+, Max, Business, and Enterprise users as of September 4, 2026. GPT 6 Astra is now generally available for all customers in Microsoft Foundry with Standard and Provisioned Throughput deployment options, priced at $10 per million input tokens and $50 per million output tokens. GPT 6 Astra has a 1,050,000 context window and 128,000 max output tokens with an Apr 30, 2026 knowledge cutoff. GPT 6 Astra is the first OpenAI model to reach the Critical level of cybersecurity capability under its Preparedness Framework. Based on OpenAI's internal testing and adversarial evaluations, OpenAI has found that GPT 6 Astra's monitorability has decreased relative to GPT 5.6 Sol, with the model more capable of controlling its own chain of thought and able to evade chain of thought monitors in adversarial settings.