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

Cognition's price-vs-performance evaluation puts Opus 5.5 and GPT-6 Astra top on intelligence at $12.8 and $6.67 per task, with GPT-6.1 Sol most cost-efficient and GPT-6 Luna cheapest overall.

On the same prompt, Astra cost $14.37 and took 40m18s, while GPT-6.1 Terra cost $2.14 and took 25m19s, with Sol in between.

The RWE-Bench leaderboard scores 11 frontier models on 20 real physical engineering tasks checked by physics solvers, with GPT-6 Astra leading at 37%.

A video challenge pits Claude Sonnet 5.5, Claude Opus 5.5 and GPT-6 Astra against each other to build the best horror game in Unreal Engine 5.8 using Aura AI.

The same three.js 3D scene prompt was run on GPT-6 Astra and GPT-6.1 Terra; the author finds Astra clearly better on quality regardless of speed.

Mollick asked Claude Fable and GPT-6 Astra, without looking anything up, when the Exponential Time Hypothesis will be solved, using the answers to show how hard forecasting is even for AI.

A user reports a suspected GPT-6.1 Luna in Arena with weaker outputs than Terra, questioning OpenAI's small-model strategy and doubting 6.1 Astra will be better.

A Spanish-language video claims agencies charge €10,000–30,000 for such designs, while a 15-year veteran designer says GPT-6 Astra does it better, with an 11-minute tutorial.

A Korean user argues Codex has declined since the $200 plan usage changes, rates GPT-6 Astra below Opus 5.5, and plans to cancel in favor of Grok Bot plus Opus 5.5.

A user spots an anonymous Arena model named Fe-Pichu, guesses it is GPT-6.1 Astra, and discusses whether beating Opus 5.5 would help OpenAI's IPO.

A ChatGPT Pro subscriber says they need a reason to renew, asking OpenAI for a Spanish voice accent, GPT-6.1 Astra beating Opus 5.5, and a noise-free GPT-Image-3.

Citing OpenAI, GPT-6.1 Terra reportedly matches GPT-6 Astra on agents' last exam at one-tenth the per-token price and over 3x the speed, prompting the question of why pay Astra prices.