Claude Sonnet 5.5 vs MiniMax M3.1 Flash

aka Sonnet 5.5 vs M3.1-Flash

2 posts1 likes154 views

  • CheaperClaude Sonnet 5.51/1 postsmedian gap ~1.7×
  • FasterClaude Sonnet 5.51/1 postsmedian gap ~12×

As stated in each post, not a controlled benchmark.

Posts

2

Same prompt, separate runs

8

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

About this matchup

Claude Sonnet 5.5 vs MiniMax M3.1 Flash in real side-by-side tests: 2 posts from X where both got the same prompt, with cost or time from every post. Judge coding ability from the actual outputs.

Sonnet 5.5 vs MiniMax M3.1 Flash: which is better for coding?

Which is better for coding, Sonnet 5.5 or MiniMax M3.1 Flash?

None of the 2 posts here names one of the two as the better result, so judge the outputs above for the work you care about.

Which is cheaper, Sonnet 5.5 or MiniMax M3.1 Flash?

1 post states a cost for both: Claude Sonnet 5.5 was cheaper in it (~1.7× cheaper). These are the costs the posts state for each run, not list prices.

Which is faster, Sonnet 5.5 or MiniMax M3.1 Flash?

1 post states a time for both: Claude Sonnet 5.5 was faster in it (~12× faster). Times are as stated in each post; tools and settings differ between posts.

Summary

Claude Sonnet 5.5 and MiniMax M3.1 Flash appear together in 2 posts on X: marble run machine, pass or fail (@wikiwayne) and procedural ocean with a sailboat, blind test of 3 models (@TheINAOG). All are part of larger lineups with other models. In @TheINAOG's procedural ocean with a sailboat, blind test of 3 models, Claude Sonnet 5.5 was cheaper ($0.25 vs $0.42) and faster (6 min vs 1 h 12 min), as reported in the post.

What each post reports

Claude Sonnet 5.5 vs MiniMax M3.1 Flash: cost, time and tokens as stated in each post
PostModelTimeCostTokensAuthor’s verdictPost
Marble run machine, pass or fail@wikiwayneClaude Sonnet 5.5———Muse Wonder 1.0 and Claude Sonnet 5.5 pass; DeepSeek and MiniMax fail on their second attempts.X post
Marble run machine, pass or fail@wikiwayneMiniMax M3.1 Flash3.4 min$0.059——X post
Procedural ocean with a sailboat, blind test of 3 models@TheINAOGMiniMax M3.1 Flash1 h 12 min$0.42——X post
Procedural ocean with a sailboat, blind test of 3 models@TheINAOGClaude Sonnet 5.56 min$0.25——X post

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

Quick facts

ModelVendorReleasedInput $/1M tokensOutput $/1M tokensContext (tokens)Official links
Claude Sonnet 5.5Anthropic2026-09-28$2$101,000,000Model 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

1

Models

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