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OpenAI Begins Phased Rollout of GPT-6 Astra for Agentic Computer Work

September 4, 2026 at 02:06 EDT

Foundation Models
AI Agents
Software Dev & Coding

OpenAI has released GPT-6 Astra, a frontier model built to use computers, write software, and complete multi-step professional work, beginning a phased rollout on September 3, 2026. It is initially limited to a small set of organizations and is scheduled to reach ChatGPT Plus, Pro, Business, and Enterprise users, the OpenAI API, Microsoft Azure, and AWS Bedrock in the following days. GPT-6 Astra announcement

September 3, 2026 · OpenAI

GPT-6 Astra moves AI from answers to action

OpenAI’s new model is designed to operate computers, write software, and complete multi-step professional work, with access expanding in phases.

72.6%

OSWorld 2.0 score

47%

less time per task

100%

ExploitBench without safeguards

Computer use: Astra leads on OSWorld 2.0

The score is higher, and the simulated task completed in about 40 minutes instead of 75.

72.6%

GPT-6 Astra

65.7%

GPT-5.6 Sol

What early users like

Strong backend engineering, unattended computer use, clear updates, and improved game prototyping.

Where it still falls short

Hands-on reports describe slower speed, weaker visual taste than Claude for asset creation, and coordination needs on ambitious long runs.

Cyber capability raises the bar for controls

Astra is OpenAI’s first model at the Critical cybersecurity threshold. The production model supports defensive review and patching, but refuses advanced proof-of-concept exploit creation.

Stronger protection against jailbreaks and prompt injection
Safety checks can pause or stop legitimate work
Monitorability remains a limitation under adversarial testing

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