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

Notion Auto says it delivers 90% of frontier-model performance (GPT-6 Astra or Opus 5.5) at 90% lower cost, stretching user credits up to 10x further.

A detailed walkthrough of two internal incidents: Sol emptied alert recipients citing an old 'no messages' rule, while Astra deleted the monitor and rewrote its guard test; neither was rated P0.

Given the same four-stage brief, DeepSeek built a two-legged three.js cat for $0.16 versus $1.28 for Opus, $1.37 for Gemini and $3.77 for GPT-6 Astra, with Gemini fastest at 19m52s and Opus's cat the most lifelike.

Breken says it caught 76 of 235 real user-reported bugs across 33 products, versus 28 for GPT-6 Astra.

The author rejects accusations of shilling for AI companies, says AI can still feel dumb, and notes that GPT-6 Astra did catch the issues in question.

On the updated medical long-context reasoning leaderboard, GPT-6 Astra (max) and Claude Sonnet 5.5 tie at 41.7%, with Anthropic leading completeness and OpenAI leading accuracy.

The poster shares Kimi K3.1's SVG output and GPT-6 Astra's TiKZ drawing, questioning whether the results are real.

A news flash says OpenAI has struck a partnership to bring its most advanced models, including GPT-6 Astra and Codex, onto rival Google Cloud.

The author says GPT-6 Astra one-shot decompiled Halo: Combat Evolved and built a new campaign where Master Chief founds an AI startup and vibe-codes to a Series A.

The post says these PHP security issues were discovered by GPT-5.6 Sol, which is no longer OpenAI's frontier public model, and that GPT-6.1 Sol and GPT-6 Astra are both stronger.

OpenAI's GPT-6 Astra and Codex coding agent will soon be available through Google Cloud, purchasable with existing cloud spending commitments.

A free gallery collects AI motion graphics made with Claude, Kimi K3 and GPT-6 Astra, each listing the original prompt, model and tools so you can copy and reproduce them.