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

A video demo puts 10 GPT-6 Astra agents under the control of a fly, riffing on the Musk vs Altman race for the strongest AI.

The author used Codex with Hyper3D's MCP to generate and assemble 3D models, producing a site explaining how the Tiangong space station was built, plus a reusable model library.

A user says OpenAI will drop the middle terra tier, with Astra at the top, Sol as the general model and Luna as the fast, cheap option, making three clearer tiers.

OpenAI is holding an Astra celebration at its London headquarters, open to AI researchers, academics and startup leaders who apply.

Mistral's founder estimates DeepSeek V4.1 Flash cost about $10M to train, 100x less than GPT-6 Astra, with similar everyday design and benchmark scores, and asks what moat closed frontier labs have left.

The author used Astra Pro to create a layered recursive SVG animation and shared a video demo of the result.

Referencing the "Mysterious Architecture Dictionary" style, the author used Astra to quickly generate a video, judging the quality as average but planning to keep iterating.

A designer shared a preview of a product launch video, saying all the effects and UI were generated by GPT-6 Astra through the Powermove agent, with only minor tweaks by hand.

OpenAI said its London office played a crucial role in training GPT-6 Astra and is organizing a dinner with the research community, with applications now open.

The author says Astra has moved from text and code generation to instantly producing full simulations and interactive 3D environments, citing looped architectures, direct engine integration and agentic iteration.

ZenMux announced it now hosts GPT-6 Astra, a model aimed at agent workflows across coding, browser-based tasks, research and document creation.

A video compares two setups: DeepSeek as the main agent with a GPT-6 Astra subagent, versus Astra as the main agent with a DeepSeek subagent.