The Hallway Track
Product Launches

GPT‑6 Astra

Simon Willison · Sep 03, 2026 · Product Launches

GPT-6 Astra is rolling out today to select organizations and will be available to all users soon.

“The Provider Adapter harness preserves opaque reasoning state between requests and uses compaction for longer conversations, allowing the model to reuse prior work.”

OpenAI is launching GPT-6 Astra, a new AI model that shows impressive performance, especially in long context processing and security tasks. It will be accessible to a wide range of users and is priced competitively, positioning it as a direct competitor to Claude Fable.

ai openai generative-ai llms llm-release

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