GPT-6 Astra in Practice: Tests, Use Cases, and Feedback

On Aikido's cybersecurity CVE benchmark, Astra hit 29/32 at pass@3, a new record, though the three runs cost nearly $4,000.

Arena shares Peter Gostev's initial take on GPT-6 Astra versus Claude Fable 5.1 and Fable 5 across cost, coding and benchmarks.

Microsoft says Astra is now available in Visual Studio for long-horizon autonomous coding and agentic tasks, planning, diagnosing and verifying its own results as it works.

An OpenAI staffer says some Plus and Business users won't have Astra access today and will receive a banked reset, also given to accounts created by 8pm PT.

A Turkish account shows a kart racing game built with GPT-6 Astra that runs directly in the browser with no installation.

VictorTaelin, author of HVM/Bend, says he wants to use Astra to audit Bend's code but keeps getting refusals, and publicly asks OpenAI to enable access.

OpenAI's launch post for GPT-6 Astra names four developer use cases and says the model combines computer use, asynchronous tool calling and mid-response steering.

One user pairs Astra's perfect ExploitBench score with a V8 vulnerability Brave just patched in the wild, concluding that delaying security updates is no longer justifiable.

The author says GPT-6 Astra completed a benchmark in 43 minutes, and that Astra also generated the demo video itself.

Sam Altman announced that Astra is now available to Pro, Enterprise, and Business Premium users in Work/Codex and in the API, with Plus and Business to follow.

Limits were raised 50% the day after launch; the post lists messages per 5 hours for the $100 and $200 Pro tiers and notes Work and Codex share the same quota.

OpenAIDevs started a "Building with GPT-6 Astra" callout inviting developers to show what they have built with Astra.