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

The author built a browser game from the "STATE PROPERTY" meme where you play as the fisherman, the driver, or the fish stuck in a bucket, made with Claude Opus 5.5 and GPT-6 Astra.

Jared Sleeper updates his optimistic AI takes: security testing spend is surging, fast models like Astra Ultrafast drive compute demand, the enterprise-individual adoption gap is widening, and video generation has hit an inflection point.

A short snarky post joking that OpenAI might release yet another GPT-6 Astra Codex ultrafast model with an even longer name.

The author shares a Fortnite creative map made with ChatGPT 6 "Astra" and says the process was a lot of fun.

A joke post assigns Haiku, Opus, Sol and Astra each an absurd job, ending with a claim of burning $504,000 a day in tokens.

A two-line post taking a side on Claude Opus 5.5 versus GPT-6 Astra for coding sets off a comment-section debate.

The author complains about receiving text clearly generated by a model but sent under someone else's name, and argues ghostwritten messages should open with a note like "Written by GPT-6 Astra" instead of hiding it at the end.

Both models produced an interactive plush penguin in a single HTML file with WebGPU, and the author compares the looks and API cost ($13.07 for Astra vs $11.05 for Opus).

Using photo references, the author had Astra and Opus 5.5 generate the geometry of every heat shield tile on Starship V3, with none modeled by hand.

Given the same prompt as Claude, GPT-6 Astra wrote an instrumental Japanese City Pop piece in LilyPond, with the MIDI and source files posted on GitHub for comparison.

A question asking developers which model, Opus 5.5 or GPT-6 Astra, they would trust with their entire codebase if usage were unlimited.

A Montedio Yamagata fan used Astra to write a message thanking their rival club and promising another great derby in November, plus an image prompt for the artwork.