GPT-6 Astra vs GPT-6.1 Terra

aka Astra vs OpenAI GPT-6.1 Terra

12 posts87 likes8.3K views

  • 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

12

Same prompt, separate runs

7

Not 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

GPT-6 Astra vs GPT-6.1 Terra: cost, time and tokens as stated in each post
PostModelTimeCostTokensAuthor’s verdictPost
Retro pinball table, three GPT models@teddyaisiGPT-6 Astra2.6 min$0.40——X post
Retro pinball table, three GPT models@teddyaisiGPT-6.1 Terra39.8 s$0.03——X post
3D take on an app character, four GPT models@floriv__GPT-6.1 Terra————X post
3D take on an app character, four GPT models@floriv__GPT-6 Astra———Author’s pickX post
GPT-6.1 Terra vs Astra vs Sol, all on max@daveeyyy_GPT-6.1 Terra4.4 min$0.12——X post
GPT-6.1 Terra vs Astra vs Sol, all on max@daveeyyy_GPT-6 Astra8 min$1.55——X post
Working V8 engine, Sol vs Astra vs Terra@QuaxguyGPT-6 Astra29.4 min$5.51——X post
Working V8 engine, Sol vs Astra vs Terra@QuaxguyGPT-6.1 Terra4.8 min$0.28——X post
Chrome dino game, four GPT models@noclipepeGPT-6.1 Terra4.3 min$0.17——X post
Chrome dino game, four GPT models@noclipepeGPT-6 Astra15.1 min$4.61——X post
Storm lighthouse in Blender, GPT-6.1 Terra vs GPT-6 Astra@ivanainaiGPT-6.1 Terra————X post
Storm lighthouse in Blender, GPT-6.1 Terra vs GPT-6 Astra@ivanainaiGPT-6 Astra————X post
Bicycle riding a pelican, two GPT models@xingzengjiGPT-6.1 Terra8.9 min———X post
Bicycle riding a pelican, two GPT models@xingzengjiGPT-6 Astra14.6 min———X post
Rocket launch and landing, three GPT models@QuaxguyGPT-6 Astra12.1 min$5.83——X post
Rocket launch and landing, three GPT models@QuaxguyGPT-6.1 Terra9.5 min$0.28——X post
3D office from a floor plan, four GPT models@koharu_ai_diaryGPT-6.1 Terra48 s———X post
3D office from a floor plan, four GPT models@koharu_ai_diaryGPT-6 Astra————X post
Burning skulls, four models compared@TypingMindAppGPT-6 Astra————X post
Burning skulls, four models compared@TypingMindAppGPT-6.1 Terra————X post
Tiger in HyperFrames, four models at medium effort@sebmoskaGPT-6 Astra8.6 min$2.76——X post
Tiger in HyperFrames, four models at medium effort@sebmoskaGPT-6.1 Terra4.3 min$0.19——X post
Walking duck animation, GPT-6.1 Terra vs GPT-6 Astra@EianLuGPT-6.1 Terra35 s———X post
Walking duck animation, GPT-6.1 Terra vs GPT-6 Astra@EianLuGPT-6 Astra8 min———X post

Only numbers stated in each post. “—” means the post doesn’t say.

Quick facts

ModelVendorReleasedInput $/1M tokensOutput $/1M tokensContext (tokens)Official links
GPT-6 AstraOpenAI2026-09-03$10$501,050,000Model docs
GPT-6.1 TerraOpenAI2026-10-26Announcement

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

Models

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