Claude Opus 5 vs MiniMax M3.1 Flash
aka Opus 5 vs M3.1-Flash
- Author picksMiniMax M3.1 Flash1–0
- FasterClaude Opus 52/2 postsmedian gap ~1.5×
As stated in each post, not a controlled benchmark.
Posts
3
Same prompt, separate runs
6Not a controlled comparison: prompts, tools and time differ.
About this matchup
Claude Opus 5 vs MiniMax M3.1 Flash in real side-by-side tests: 3 posts from X where both got the same prompt, with cost or time from every post. Judge coding ability from the actual outputs.
Opus 5 vs MiniMax M3.1 Flash: which is better for coding?
Which is better for coding, Opus 5 or MiniMax M3.1 Flash?
Author picks: where the author preferred one of the two, they picked MiniMax M3.1 Flash once and Claude Opus 5 never. That covers 1 of the 3 posts here; each post is a different task, so watch the outputs above for the work you care about.
Which is faster, Opus 5 or MiniMax M3.1 Flash?
2 posts state a time for both: Claude Opus 5 was faster in both (median gap ~1.5×). Times are as stated in each post; tools and settings differ between posts.
What have Opus 5 and MiniMax M3.1 Flash been tested on?
The most-viewed of the 3 posts: rocket launch scene, Space Bunny vs three models (@Bhavani_00007), gummy bear product page, not one-shot (@Haleeeemahh), gummy bear shop page, MiniMax M3.1 Flash vs Claude Opus 5 (@Haleeeemahh). Categories: Web/UI, 3D & Shaders.
Summary
Claude Opus 5 and MiniMax M3.1 Flash appear together in 3 posts on X: gummy bear shop page, MiniMax M3.1 Flash vs Claude Opus 5 (@Haleeeemahh), gummy bear product page, not one-shot (@Haleeeemahh) and rocket launch scene, Space Bunny vs three models (@Bhavani_00007). 1 of them are part of larger lineups with other models. In @Haleeeemahh's gummy bear product page, not one-shot, Claude Opus 5 was faster (53 min vs 1 h 20 min), as reported in the post. In @Haleeeemahh's gummy bear shop page, MiniMax M3.1 Flash vs Claude Opus 5, Claude Opus 5 was faster (53 min vs 1 h 20 min), as reported in the post.
What each post reports
| Post | Model | Time | Cost | Tokens | Author’s verdict | Post |
|---|---|---|---|---|---|---|
| Gummy bear shop page, MiniMax M3.1 Flash vs Claude Opus 5@Haleeeemahh | MiniMax M3.1 Flash | 1 h 20 min | $0 | — | — | X post |
| Gummy bear shop page, MiniMax M3.1 Flash vs Claude Opus 5@Haleeeemahh | Claude Opus 5 | 53 min | — | — | — | X post |
| Gummy bear product page, not one-shot@Haleeeemahh | MiniMax M3.1 Flash | 1 h 20 min | $0 | — | — | X post |
| Gummy bear product page, not one-shot@Haleeeemahh | Claude Opus 5 | 53 min | — | — | — | X post |
| Rocket launch scene, Space Bunny vs three models@Bhavani_00007 | MiniMax M3.1 Flash | 3 min | — | — | Author’s pick | X post |
| Rocket launch scene, Space Bunny vs three models@Bhavani_00007 | Claude Opus 5 | — | — | — | — | X post |
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 |
|---|---|---|---|---|---|---|
| Claude Opus 5 | Anthropic | |||||
| 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
1- Rocket launch scene, Space Bunny vs three modelsSpace Bunny beats Opus 5 at that speed and clearly beats Sol 6, Grok 4.7 and Gemini 3.8 Flash.— the author’s view, @Bhavani_00007 (paraphrased)
Models
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