GPT-6 Astra vs GPT-6.1 Terra
aka Astra vs OpenAI GPT-6.1 Terra
- Author picksGPT-6 Astra1–0
- CheaperGPT-6.1 Terra6/6 postsmedian gap ~17×
- FasterGPT-6.1 Terra8/8 postsmedian gap ~2.8×
As stated in each post, not a controlled benchmark.
Posts
123D take on an app character, four GPT models: GPT-6.1 Terra, GPT-6.1 Sol, GPT-6 Astra, GPT-6 Luna. Posted by @floriv__.
GPT-6.1 Terra vs Astra vs Sol, all on max: GPT-6.1 Terra, GPT-6 Astra, GPT-6.1 Sol. Posted by @daveeyyy_.
Working V8 engine, Sol vs Astra vs Terra: GPT-6.1 Sol, GPT-6 Astra, GPT-6.1 Terra. Posted by @Quaxguy.
Chrome dino game, four GPT models: GPT-6.1 Terra, GPT-6 Luna, GPT-6.1 Sol, GPT-6 Astra. Posted by @noclipepe.
Storm lighthouse in Blender, GPT-6.1 Terra vs GPT-6 Astra: GPT-6.1 Terra, GPT-6 Astra. Posted by @ivanainai.
Bicycle riding a pelican, two GPT models: GPT-6.1 Terra, GPT-6 Astra. Posted by @xingzengji.
Rocket launch and landing, three GPT models: GPT-6.1 Sol, GPT-6 Astra, GPT-6.1 Terra. Posted by @Quaxguy.
3D office from a floor plan, four GPT models: GPT-6.1 Terra, GPT-6.1 Sol, GPT-6 Astra, GPT-6 Luna. Posted by @koharu_ai_diary.
Burning skulls, four models compared: Claude Opus 5.5, GPT-6 Astra, GPT-6.1 Terra, GPT-6.1 Sol. Posted by @TypingMindApp.
Tiger in HyperFrames, four models at medium effort: Claude Opus 5.5, GPT-6 Astra, GPT-6.1 Sol, GPT-6.1 Terra. Posted by @sebmoska.
Walking duck animation, GPT-6.1 Terra vs GPT-6 Astra: GPT-6.1 Terra, GPT-6 Astra. Posted by @EianLu.
Same prompt, separate runs
7Not a controlled comparison: prompts, tools and time differ.
About this matchup
GPT-6 Astra vs GPT-6.1 Terra in real side-by-side tests: 12 posts from X where both got the same prompt; 9 posts report cost or time. Judge coding ability from the actual outputs.
GPT-6 Astra vs GPT-6.1 Terra: which is better for coding?
Which is better for coding, GPT-6 Astra or GPT-6.1 Terra?
Author picks: where the author preferred one of the two, they picked GPT-6 Astra once and GPT-6.1 Terra never. That covers 1 of the 12 posts here; each post is a different task, so watch the outputs above for the work you care about.
Which is cheaper, GPT-6 Astra or GPT-6.1 Terra?
6 posts state a cost for both: GPT-6.1 Terra was cheaper in all 6 (median gap ~17×). These are the costs the posts state for each run, not list prices.
Which is faster, GPT-6 Astra or GPT-6.1 Terra?
8 posts state a time for both: GPT-6.1 Terra was faster in all 8 (median gap ~2.8×). Times are as stated in each post; tools and settings differ between posts.
Summary
GPT-6 Astra and GPT-6.1 Terra appear together in 12 posts on X: retro pinball table, three GPT models (@teddyaisi), 3D take on an app character, four GPT models (@floriv__), GPT-6.1 Terra vs Astra vs Sol, all on max (@daveeyyy_), working V8 engine, Sol vs Astra vs Terra (@Quaxguy), chrome dino game, four GPT models (@noclipepe) and 7 more. 9 of them are part of larger lineups with other models. The 5 most-viewed examples: In @noclipepe's chrome dino game, four GPT models, GPT-6.1 Terra was cheaper ($0.17 vs $4.61) and faster (4.3 min vs 15.1 min), as reported in the post. In @daveeyyy_'s GPT-6.1 Terra vs Astra vs Sol, all on max, GPT-6.1 Terra was cheaper ($0.12 vs $1.55) and faster (4.4 min vs 8 min), as reported in the post. In @Quaxguy's rocket launch and landing, three GPT models, GPT-6.1 Terra was cheaper ($0.28 vs $5.83) and faster (9.5 min vs 12.1 min), as reported in the post. In @xingzengji's bicycle riding a pelican, two GPT models, GPT-6.1 Terra was faster (8.9 min vs 14.6 min), as reported in the post. In @Quaxguy's working V8 engine, Sol vs Astra vs Terra, GPT-6.1 Terra was cheaper ($0.28 vs $5.51) and faster (4.8 min vs 29.4 min), as reported in the post. The table below lists all 8 posts with numbers for both.
What each post reports
Only numbers stated in each post. “—” means the post doesn’t say.
Quick facts
| Model | Vendor | Released | Input $/1M tokens | Output $/1M tokens | Context (tokens) | Official links |
|---|---|---|---|---|---|---|
| GPT-6 Astra | OpenAI | 2026-09-03 | $10 | $50 | 1,050,000 | Model docs |
| GPT-6.1 Terra | OpenAI | 2026-10-26 | Announcement |
From the vendors’ official pages, checked 2026-10-26. Standard API list prices; each value links its source and a blank cell could not be verified. The archive’s own numbers above are what each post states.
Who won where
1- 3D take on an app character, four GPT modelsThe poster says Astra came closest to the design, though it still needs work.— the author’s view, @floriv__ (paraphrased)
























