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

A post introducing GPT-6 Astra Pro uses for clinicians, with very little body text and most of the content in an attached image.

A developer built a cozy 2.5D kite-flying game with Three.js and GPT-6 Astra where players paint kites and fly them above rooftops, and shared a playable link for feedback.

A roundup post claims GPT-6 Astra can operate a desktop through screenshots, remember across sessions, handle a 1.05M token context, and score 72.6% on OSWorld.

The author used Astra to build a three.js game with a village, dungeon and boss fight, sourcing art assets through the PicoBerry API while the model designed the boss mechanics itself.

A video quotes Sam Altman saying a few thousand GPT-6 Astra agents run overnight, contrasted with how long the same work used to take an entire team.

A Chinese user says Astra edited four hours of 2020 Four Seasons Island travel footage into a 20-minute film in under ten minutes with no complex prompts, and shared a trailer.

OpenAI now lets voice mode use GPT-5.6 and GPT-6 Astra for harder reasoning, the same day SWE-2 and DeepSeek V4.1 launched and new $200 plan signups stopped.

PeterJ_Walker says OpenAI took 31% of all dollars spent on OpenRouter over the past 48 hours, a new peak after reaching 28% in July, and that users clearly like Astra.

A Pro user claims GPT-6 Astra was swapped for a quantized version due to compute constraints, with no announcement or explanation, so paying customers get a reduced model.

The poster claims to have the full GPT-6 Astra system prompt, including rules, roles, instructions and internal commands, offered free to read and build on.

DeemosTech demonstrates GPT-6 Astra (Codex) paired with the HYPER3D MCP generating a complete 3D scene from a single image and one agent.

Senator Chris Van Hollen told Sam Altman that if OpenAI cannot sufficiently monitor its models to assure safety, it should immediately remove GPT-6 Astra from public access.