Compare / MiniMax M2 vs Step 3.5 Flash

MiniMax M2 vs Step 3.5 Flash

Which is cheaper, which is more capable, and which does better at each kind of work, from 17 results on 3 sources that measured both models.

MiniMax M2
MiniMax · profile
Step 3.5 Flash
Stepfun · profile
Results compared
17
Shared sources
3

MiniMax M2 or Step 3.5 Flash? The short answer

  • Step 3.5 Flash is cheaper: $0.15 against $0.52 per million tokens, 3.5 times less.
  • MiniMax M2 scores higher on the Artificial Analysis Intelligence Index: 18.6 against 16.6.
  • On our business benchmarks, Step 3.5 Flash ranks higher for reasoning and knowledge, writing and sticking to the facts.

At a glance

MiniMax M2Step 3.5 Flash
Price per million tokens$0.30 in · $1.20 out$0.10 in · $0.30 out
Blended (3 in : 1 out)$0.52$0.15
Cheapest host, blended$0.45 (Minimax, FP8)–
Intelligence Index18.616.6
Spring Prompt overall––
Output speed, tokens a second––
Context window204,800 tokens262,144 tokens
WeightsOpenOpen
Developer based inChinaChina

Prices are the developer's list price where we have read it, otherwise the typical host on OpenRouter; see every model's price. Intelligence and speed from Artificial Analysis.

Which is better for what

Each model's rank among models available today, for each kind of work, from our own benchmarks and licensed sources. The better rank is in green.

Use caseMiniMax M2Step 3.5 Flash
Agents and tool useMulti-step tasks with tools: support desks, coding agents, function calls 149 of 161 not measured
Reasoning and knowledgeHard questions across science, maths and general knowledge 107 of 195 96 of 195
WritingWhat people prefer in blind comparisons, and judged writing quality 167 of 187 99 of 187
Sticking to the factsSummarising without inventing things, and factual answers 150 of 153 123 of 153

Every shared result

BenchmarkMetricMiniMax M2Step 3.5 Flash
Arena (formerly LMArena)reportedOverallArena rating 1,3601,417
Arena (formerly LMArena)reportedBusiness, management and financeArena rating 1,3481,390
Arena (formerly LMArena)reportedCreative writingArena rating 1,2851,345
Arena (formerly LMArena)reportedExpert promptsArena rating 1,3501,429
Arena (formerly LMArena)reportedInstruction followingArena rating 1,3341,384
Arena (formerly LMArena)reportedOverallArena rating 1,3431,393
Arena (formerly LMArena)reportedWriting, literature and languageArena rating 1,2981,366
Artificial AnalysisreportedArtificial Analysis Intelligence Indexindex score 18.616.6
Artificial AnalysisreportedGPQA Diamond% of questions 77.7%83.1%
Artificial AnalysisreportedHumanity's Last Exam% of questions 13.7%21.1%
Artificial AnalysisreportedIFBench% of instructions 72.3%64.6%
Artificial AnalysisreportedLong-context reasoning (AA-LCR)% of questions 64.3%50.0%
Artificial AnalysisreportedTerminal-Bench Hard% of tasks 25.8%27.3%
Artificial AnalysisreportedΤ²-bench telecom% of tasks 86.8%94.4%
UGI LeaderboardreportedRequested-length error% off the requested word count 73.0%42.0%
UGI LeaderboardreportedStyle adherencescore from 0 to 1 0.360.37
UGI LeaderboardreportedWriting scorescore out of 100 17.245.9

Bold green marks the better value on that metric. Where a source reports ranges that overlap, the difference may not be meaningful; see the benchmark page for ranges.

Quick answers

Is MiniMax M2 better than Step 3.5 Flash?

It depends on the task. Among models available today, on our benchmarks and licensed sources, Step 3.5 Flash ranks higher for reasoning and knowledge, writing and sticking to the facts.

Which is cheaper, MiniMax M2 or Step 3.5 Flash?

Step 3.5 Flash costs $0.15 per million tokens (three input to one output), against $0.52 for MiniMax M2.

Run MiniMax M2 and Step 3.5 Flash on your own prompt

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