GPT-6.1 Sol vs MiniMax M3.1 Flash

aka Sol 6.1 vs M3.1-Flash

8 posts361 likes19.9K views

  • Author picksMiniMax M3.1 Flash1–0
  • CheaperMiniMax M3.1 Flash5/5 postsmedian gap ~5.2×
  • FasterGPT-6.1 Sol3/3 postsmedian gap ~2.9×

As stated in each post, not a controlled benchmark.

Posts

8

Same prompt, separate runs

10

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

About this matchup

GPT-6.1 Sol vs MiniMax M3.1 Flash in real side-by-side tests: 8 posts from X where both got the same prompt; 5 posts report cost or time. Judge coding ability from the actual outputs.

GPT-6.1 Sol vs MiniMax M3.1 Flash: which is better for coding?

Which is better for coding, GPT-6.1 Sol or MiniMax M3.1 Flash?

Author picks: where the author preferred one of the two, they picked MiniMax M3.1 Flash once and GPT-6.1 Sol never. That covers 1 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-6.1 Sol or MiniMax M3.1 Flash?

5 posts state a cost for both: MiniMax M3.1 Flash was cheaper in all 5 (median gap ~5.2×). These are the costs the posts state for each run, not list prices.

Which is faster, GPT-6.1 Sol or MiniMax M3.1 Flash?

3 posts state a time for both: GPT-6.1 Sol was faster in all 3 (median gap ~2.9×). Times are as stated in each post; tools and settings differ between posts.

Summary

GPT-6.1 Sol and MiniMax M3.1 Flash appear together in 8 posts on X: cinematic 3D Earth with a shuttle in orbit (@BIGMayrr), lightning McQueen in real-time 3D, four models (@noclipepe), 30-second 3D supercar video in five scenes (@nahid_pro09), 3D point cloud tree, 3 models with session stats (@sshayahmet), physics simulator with a 40-block tower (@AfterFeelAI) and 3 more. 4 of them are part of larger lineups with other models. In @nahid_pro09's 30-second 3D supercar video in five scenes, MiniMax M3.1 Flash was cheaper ($0.058 vs $0.14) and GPT-6.1 Sol was faster (4.8 min vs 14.3 min), as reported in the post. In @noclipepe's lightning McQueen in real-time 3D, four models, MiniMax M3.1 Flash was cheaper ($0.67 vs $0.78) and GPT-6.1 Sol was faster (16.6 min vs 17.2 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 @sshayahmet's 3D point cloud tree, 3 models with session stats, MiniMax M3.1 Flash was cheaper ($0 vs $1.08) and GPT-6.1 Sol was faster (24.5 min vs 2 h 16 min), as reported in the post. In @AfterFeelAI's physics simulator with a 40-block tower, MiniMax M3.1 Flash was cheaper ($0.13 vs $1.18), as reported in the post.

What each post reports

GPT-6.1 Sol vs MiniMax M3.1 Flash: cost, time and tokens as stated in each post
PostModelTimeCostTokensAuthor’s verdictPost
Cinematic 3D Earth with a shuttle in orbit@BIGMayrrMiniMax M3.1 Flash————X post
Cinematic 3D Earth with a shuttle in orbit@BIGMayrrGPT-6.1 Sol————X post
Lightning McQueen in real-time 3D, four models@noclipepeMiniMax M3.1 Flash17.2 min$0.67—The poster says MiniMax M3.1 Flash looks ready for the heavyweight lineup, Kibitz already looks promising, and Gemini made a car from a different Pixar movie.X post
Lightning McQueen in real-time 3D, four models@noclipepeGPT-6.1 Sol16.6 min$0.78——X post
30-second 3D supercar video in five scenes@nahid_pro09GPT-6.1 Sol4.8 min$0.14—The poster says best quality GPT-6.1 Sol, best value MiniMax M3.1 Flash, which improved a lot with one extra prompt.X post
30-second 3D supercar video in five scenes@nahid_pro09MiniMax M3.1 Flash14.3 min$0.058—The poster says best quality GPT-6.1 Sol, best value MiniMax M3.1 Flash, which improved a lot with one extra prompt.X post
3D point cloud tree, 3 models with session stats@sshayahmetGPT-6.1 Sol24.5 min$1.08—DeepSeek V4.1 Flash 1017 is on par with GPT-6.1 Sol and better in a few areas, but it overthinks, which is why it took 4.5 hours.X post
3D point cloud tree, 3 models with session stats@sshayahmetMiniMax M3.1 Flash2 h 16 min$0——X post
Physics simulator with a 40-block tower@AfterFeelAIMiniMax M3.1 Flash—$0.13——X post
Physics simulator with a 40-block tower@AfterFeelAIGPT-6.1 Sol—$1.18——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-6.1 Sol—$2.00—MiniMax 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.X post
3D supercar in Three.js on Devin, MiniMax vs Sol@Zephyr_crytMiniMax M3.1 Flash————X post
3D supercar in Three.js on Devin, MiniMax vs Sol@Zephyr_crytGPT-6.1 Sol————X post
Whale breach in Three.js, four models one-shot@elliscrosbyMiniMax M3.1 Flash———Only DeepSeek V4.1 Flash made a real ocean and MiniMax M3.1 Flash’s breach held up; GPT-6.1 Sol’s ocean shader didn’t compile and Opus 5.5 crashed on load.X post
Whale breach in Three.js, four models one-shot@elliscrosbyGPT-6.1 Sol———Only DeepSeek V4.1 Flash made a real ocean and MiniMax M3.1 Flash’s breach held up; GPT-6.1 Sol’s ocean shader didn’t compile and Opus 5.5 crashed on load.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-6.1 SolOpenAI2026-09-29$2prompts up to 272K tokens$10prompts up to 272K tokens1,050,000Model 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

5

Models

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