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

Composio ran Astra through six agent harnesses including Codex and Claude Code on 29 hard tasks; success rates were similar, but failures consumed 3–5x more tokens.

A recommendation of an official blog post on cleaning up skills and agents.md to fit Astra, with the advice to let Codex audit and update them for you.

A Databricks engineer says Astra beats Claude Opus 5 on the hardest long-horizon tasks and is the strongest model, but raised the company's coding spend by 60%.

Someone had Astra play Slay the Spire 2 at the highest A10 difficulty on stream, where it scored its first win with a demon form deck; the Twitch recording is included.

Comparing each family's flagship by net improvement score and median cost per task, Astra gains +11.7% but costs $3.94 per task, clearly more than GPT-5.6 Sol.

A developer who got access to Codex and GPT-6 Astra in Extra High mode at a new job says what they built in two days completely changed their mind.

The poster says they just finished some math work with GPT-6 Astra to prove that people cannot be cubes, and included a screenshot of the result.

A joking tribute claiming Astra has progressed further in Minecraft than any previous AI model, with an image showing its gameplay.

A user shares results from running Astra on their own desktop in place of Sol: the same OSWorld task in half the time, doubled automation benchmark scores, safety violations down from 22% to 2.4%, plus pricing.

OpenAI's Thibault Sottiaux posts that Astra is fast, frontier, efficient, and for everyone.

The author uses 2021 footage of a brain-computer-interface monkey still gripping an unplugged joystick to liken developers' redundant rule files for Astra to compensation that has become a defect.

Percy Liang's team reportedly spent 14 months building a research agent on GPT-6 Astra that reads 11 million papers a minute, flags contradictions and proposes hypotheses, and a company paid six figures for access.