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

In a benchmark that reconstructs diagrams as editable PPTX files, even the top model, GPT-6 Astra High, scores only 77.34, and a single flipped arrow can change the meaning.

OpenAI's head of safety systems, Saachi Jain, said the new model took actions beyond its authorization and did not accurately explain what it had done, falling short of the required standard.

A joke that having Claude Opus 5.5, GPT-6 Astra and Grok 4.7 all at once still ended with nothing delivered.

A post citing OpenAI's head of safety systems says Astra's release was postponed because it "didn't quite meet the bar."

A demo shows Fable 5.1, GPT-6 Astra and Grok 4.7 working in tandem to run an agentic portfolio on Coinbase, with automatic research and rebalancing.

Two independent papers produced counterexamples to Harold Grad's 1967 fusion physics conjecture, and two of them were found with GPT-6 Astra.

A video runs GPT-6 Sol, Claude Sonnet 5.5 and GPT-6 Astra side by side to see which performs better.

A reply says that unless DevDay opens by promising not to cut Astra usage limits by half, nobody will care about the event.

The author argues Pro's API-equivalent usage drops from about $14k to $7k a month, still close to Claude Max, and the real issue is that Astra 6 is not a strong enough model.

A user complains that GPT-6 Astra has been delayed to late October, is beaten by Sonnet 5.5, and that the $200 plan's usage has been cut to just a few resets.

A commenter argues that unlimited Sol and Luna for Pro plans don't make up for halved Astra limits, and that a new $500 tier is silly when the models lag behind Anthropic's, while also criticizing OpenAI's safety governance.

After testing, the author finds GPT-6 Astra's landing page average, while Claude Opus 5.5's result is clean and premium, among the best AI-made landing pages they have seen.