GPT-6 Astra vs MiniMax M3.1 Flash
aka Astra vs M3.1-Flash
- 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
8Tiny ice rink at night, MiniMax vs Astra: MiniMax M3.1 Flash, GPT-6 Astra. Posted by @vib3coded.
3D plush spider, GPT-6 Astra vs MiniMax M3.1 Flash: MiniMax M3.1 Flash, GPT-6 Astra. Posted by @SamgreyAi.
3D plush spider, realism vs charm: GPT-6 Astra, MiniMax M3.1 Flash. Posted by @noclipepe.
“Plush Spider” product page, same task: MiniMax M3.1 Flash, GPT-6 Astra. Posted by @laopai1990.
One-file Minecraft game, 4 models: DeepSeek V4.1 Flash 1017, MiniMax M3.1 Flash, Claude Opus 5.5, GPT-6 Astra. Posted by @davit__yan.
Whale breach scene, MiniMax M3.1 Flash vs three models: MiniMax M3.1 Flash, DeepSeek V4.1 Flash 1017, GPT-6 Astra, GPT-6.1 Sol. Posted by @Bhavani_00007.
Three.js scene: MiniMax M3.1 Flash vs two flagships: MiniMax M3.1 Flash, Claude Fable 5.1, GPT-6 Astra. Posted by @agentsky_dev.
Same prompt, separate runs
14Not 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
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 |
| MiniMax M3.1 Flash | MiniMax | 2026-09-27 | 1,000,000 | Model 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- Tiny ice rink at night, MiniMax vs AstraThe author picks MiniMax for its night lighting, shadows on the ice and glowing windows.— the author’s view, @vib3coded (paraphrased)
- 3D plush spider, GPT-6 Astra vs MiniMax M3.1 FlashMiniMax M3.1 Flash made a fuzzy, genuinely squeezable tarantula; GPT-6 Astra’s cartoon spider felt like a toy.— the author’s view, @SamgreyAi (paraphrased)
- 3D plush spider, realism vs charmMiniMax won on realism with convincing fur; GPT-6 Astra made a goofier, more toy-like spider. The author asks which actually won.— the author’s view, @noclipepe (paraphrased)
- “Plush Spider” product page, same taskThe author says MiniMax M3.1 Flash’s result was a pleasant surprise, and asks which one did better.— the author’s view, @laopai1990 (paraphrased)
- Whale breach scene, MiniMax M3.1 Flash vs three modelsMiniMax M3.1 Flash beats GPT-6.1 Sol in the author’s testing and looks better than the others while costing less than DeepSeek’s version.— the author’s view, @Bhavani_00007 (paraphrased)
- Three.js scene: MiniMax M3.1 Flash vs two flagshipsMiniMax M3.1 Flash was by far the cheapest but had not finished at the 30-minute limit.— the author’s view, @agentsky_dev (paraphrased)



































