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

OpenAI announced GPT-6 Sol and Luna, which build on the advances behind Astra, with API prices half those of GPT-5.6 promotional pricing.

A pipeline filters 10,000 stocks into signals, then has Kimi K3 compare long-context filings and Astra run bull and bear stress tests, cutting a $60K/day brute-force scan to roughly $400-450/day.

A Brazilian YouTuber says many viewers find the $20 ChatGPT plan hard to use after Astra, and argues Anthropic's cheaper, higher-limit Opus 5.5 medium now beats it, putting pressure on OpenAI ahead of DevDay.

TechCrunch reports OpenAI is launching two new models that the company says come from the same technical line as GPT-6 Astra.

Peter Yang tested Claude Opus 5.5 generating a 3D video of the Golden Gate Bridge purely from code and found its 3D scene ability on par with GPT-6 Astra.

A Chinese user reports that GPT-6 Sol and Luna are now unlocked in the interface, with Astra still the default recommendation and an Astra Light version at the bottom.

A user shares a screenshot of the Codex model picker showing all three new GPT-6 models are available, and says they are waiting for benchmark results.

The author says their earlier complaints about GPT-6 Astra came from misuse, and now has Astra plan, delegate to 3-5 Sol threads and review the results, with three prompts to try.

Someone connected GPT-6 Astra to a wearable on his spine, turning it into a real-time physical therapy experiment for back pain and posture correction.

Medeo turned origami instructions from Claude Opus 5.5 and GPT-6 Astra into a video comparison, asking whether Astra's detail holds up against Opus 5.5's 40% cost cut.

Claude Opus 5.5 scored a perfect 100% on a homemade musical error detection test, matching earlier scores by GPT-6 Astra and Grok 4.7.

A developer says OpenAI is strong at Blender 3D and has improved on the frontend, but its UI generation still lags far behind Anthropic.