GPT-6 Astra vs MiniMax M3.1 Flash

aka Astra vs M3.1-Flash

8 posts403 likes15.3K views

  • Author picksMiniMax M3.1 Flash3–0
  • CheaperMiniMax M3.1 Flash4/4 postsmedian gap ~22×
  • FasterEven1–1

As stated in each post, not a controlled benchmark.

Posts

8

Same prompt, separate runs

14

Not a controlled comparison: prompts, tools and time differ.

About this matchup

GPT-6 Astra vs MiniMax M3.1 Flash in real side-by-side tests: 8 posts from X where both got the same prompt; 4 posts report cost or time. Judge coding ability from the actual outputs.

GPT-6 Astra vs MiniMax M3.1 Flash: which is better for coding?

Which is better for coding, GPT-6 Astra or MiniMax M3.1 Flash?

Author picks: where the author preferred one of the two, they picked MiniMax M3.1 Flash 3 times and GPT-6 Astra never. That covers 3 of the 8 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 MiniMax M3.1 Flash?

4 posts state a cost for both: MiniMax M3.1 Flash was cheaper in all 4 (median gap ~22×). These are the costs the posts state for each run, not list prices.

Which is faster, GPT-6 Astra or MiniMax M3.1 Flash?

2 posts state a time for both: each was faster in 1. Times are as stated in each post; tools and settings differ between posts.

Summary

GPT-6 Astra and MiniMax M3.1 Flash appear together in 8 posts on X: hypersonic shock lab CFD, four models with budget (@AlicanKiraz0), tiny ice rink at night, MiniMax vs Astra (@vib3coded), 3D plush spider, GPT-6 Astra vs MiniMax M3.1 Flash (@SamgreyAi), 3D plush spider, realism vs charm (@noclipepe), “Plush Spider” product page, same task (@laopai1990) and 3 more. 4 of them are part of larger lineups with other models. In @vib3coded's tiny ice rink at night, MiniMax vs Astra, MiniMax M3.1 Flash was cheaper ($0.21 vs $7.88), as reported in the post. In @AlicanKiraz0's hypersonic shock lab CFD, four models with budget, MiniMax M3.1 Flash was cheaper ($0.28 vs $10.15) and faster (22.8 min vs 29.6 min), as reported in the post. In @Bhavani_00007's whale breach scene, MiniMax M3.1 Flash vs three models, MiniMax M3.1 Flash was cheaper ($0.25 vs $2.00), as reported in the post. In @agentsky_dev's Three.js scene: MiniMax M3.1 Flash vs two flagships, MiniMax M3.1 Flash was cheaper ($0.18 vs $0.53) and GPT-6 Astra was faster (104 s vs 30 min), as reported in the post.

What each post reports

GPT-6 Astra vs MiniMax M3.1 Flash: cost, time and tokens as stated in each post
PostModelTimeCostTokensAuthor’s verdictPost
Hypersonic shock lab CFD, four models with budget@AlicanKiraz0GPT-6 Astra29.6 min$10.15——X post
Hypersonic shock lab CFD, four models with budget@AlicanKiraz0MiniMax M3.1 Flash22.8 min$0.28——X post
Tiny ice rink at night, MiniMax vs Astra@vib3codedMiniMax M3.1 Flash—$0.21—Author’s pickX post
Tiny ice rink at night, MiniMax vs Astra@vib3codedGPT-6 Astra—$7.88——X post
3D plush spider, GPT-6 Astra vs MiniMax M3.1 Flash@SamgreyAiMiniMax M3.1 Flash———Author’s pickX post
3D plush spider, GPT-6 Astra vs MiniMax M3.1 Flash@SamgreyAiGPT-6 Astra———MiniMax M3.1 Flash made a fuzzy, genuinely squeezable tarantula; GPT-6 Astra’s cartoon spider felt like a toy.X post
3D plush spider, realism vs charm@noclipepeGPT-6 Astra———MiniMax won on realism with convincing fur; GPT-6 Astra made a goofier, more toy-like spider. The author asks which actually won.X post
3D plush spider, realism vs charm@noclipepeMiniMax M3.1 Flash————X post
“Plush Spider” product page, same task@laopai1990MiniMax M3.1 Flash———The author says MiniMax M3.1 Flash’s result was a pleasant surprise, and asks which one did better.X post
“Plush Spider” product page, same task@laopai1990GPT-6 Astra————X post
One-file Minecraft game, 4 models@davit__yanMiniMax M3.1 Flash————X post
One-file Minecraft game, 4 models@davit__yanGPT-6 Astra————X post
Whale breach scene, MiniMax M3.1 Flash vs three models@Bhavani_00007MiniMax M3.1 Flash—$0.25—Author’s pickX post
Whale breach scene, MiniMax M3.1 Flash vs three models@Bhavani_00007GPT-6 Astra—$2.00——X post
Three.js scene: MiniMax M3.1 Flash vs two flagships@agentsky_devMiniMax M3.1 Flash30 min$0.18—MiniMax M3.1 Flash was by far the cheapest but had not finished at the 30-minute limit.X post
Three.js scene: MiniMax M3.1 Flash vs two flagships@agentsky_devGPT-6 Astra104 s$0.53——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
MiniMax M3.1 FlashMiniMax2026-09-271,000,000Model docs

From the vendors’ official pages, checked 2026-10-19. 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

6

Models

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