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

The author shows progress on a GPT-6 Astra-based character animation tool with ghosting frames and Mixamo and Kimodo motion imports, built for their next game.

A tester gave GPT-6 Astra detailed step-by-step instructions and ran it at maximum effort to model in Blender's sculpt mode the way a person would, and the result came out cleaner than expected.

A Japanese media report says GPT-6 Astra decrypted a 1918 German military radio cipher, revealing German troop positions and Serbian army movements.

The author says even GPT-6 Astra Medium on a new 5x account plan runs out quickly, so they are switching to deepseek-flash.

The same mechanical butterfly prompt was run through Gemini 4 Pro and GPT-6 Astra, and the author says the two took completely different visual directions and asks viewers to vote on which is better.

The author's Aquatopia mini game, built with GPT-6 Astra, has been ported to the Super 32X with upgraded 32-bit visuals and audio, plus added caves and waterfalls.

A video demo of web design generated with GPT-6 Astra, with the prompt used included in the post.

The author says Astra and Fable are neck and neck on model capability, but OpenAI is leagues ahead on the desktop app product experience.

The author shows a 3D piece made with MML, Three.js and GPT-6 Astra, noting it uses only 75K triangles in a lightweight approach.

The author used GPT-6 Astra High to finish faces and small fixes, putting each VTuber model at about $3, and shared a dance video of the result.

Astra leads second-place Claude Fable 5.1 by 31.4 points, no other model clears 25%, and 12 of 24 models score 4.3% or lower.

A Japanese user gave Astra one photo of an SO-101 and blocks and asked it to pick up the yellow block; it planned a path and converted it to motion via MCP, though real-world success rates remain low.