Compare / Claude Opus 5.5 vs MiniMax M2

Claude Opus 5.5 vs MiniMax M2

Which is cheaper, which is more capable, and which does better at each kind of work, from 12 results on 3 sources that measured both models.

Claude Opus 5.5
Anthropic · profile
MiniMax M2
MiniMax · profile
Results compared
12
Shared sources
3

Claude Opus 5.5 or MiniMax M2? The short answer

  • MiniMax M2 is cheaper: $0.52 against $8.00 per million tokens, 15 times less.
  • Claude Opus 5.5 scores higher on the Artificial Analysis Intelligence Index: 57.6 against 18.6.
  • On our business benchmarks, Claude Opus 5.5 ranks higher for agents and tool use, reasoning and knowledge, writing and sticking to the facts.

At a glance

Claude Opus 5.5MiniMax M2
Price per million tokens$4.00 in · $20.00 out$0.30 in · $1.20 out
Blended (3 in : 1 out)$8.00$0.52
Cheapest host, blended$8.00 (Amazon Bedrock)$0.45 (Minimax, FP8)
Intelligence Index57.618.6
Spring Prompt overall82–
Output speed, tokens a second97–
Context window1,000,000 tokens204,800 tokens
WeightsClosedOpen
Developer based inthe USChina

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 caseClaude Opus 5.5MiniMax M2
Product listingsTurning a sparse product feed and photos into listings that can go live 6 of 19 not measured
Decks from an analysisTurning a finished analysis into a deck you could present as it is 5 of 18 not measured
Marketing planningPlanning a year of ad spend without overspending 5 of 18 not measured
Agents and tool useMulti-step tasks with tools: support desks, coding agents, function calls 2 of 161 149 of 161
Professional workReal tasks from banking, consulting and law, business documents and freelance projects 3 of 51 not measured
Reasoning and knowledgeHard questions across science, maths and general knowledge 1 of 195 107 of 195
WritingWhat people prefer in blind comparisons, and judged writing quality 4 of 187 167 of 187
Sticking to the factsSummarising without inventing things, and factual answers 6 of 153 150 of 153
Speed under pressureGood decisions against a real clock (fast chess) 22 of 22 not measured

Every shared result

BenchmarkMetricClaude Opus 5.5MiniMax M2
Arena (formerly LMArena)reportedBusiness, management and financeArena rating 1,4991,348
Arena (formerly LMArena)reportedCreative writingArena rating 1,5211,285
Arena (formerly LMArena)reportedExpert promptsArena rating 1,5561,350
Arena (formerly LMArena)reportedInstruction followingArena rating 1,5161,334
Arena (formerly LMArena)reportedOverallArena rating 1,5091,343
Arena (formerly LMArena)reportedWriting, literature and languageArena rating 1,5201,298
Artificial AnalysisreportedArtificial Analysis Intelligence Indexindex score 57.618.6
Artificial AnalysisreportedHumanity's Last Exam% of questions 61.4%13.7%
Artificial AnalysisreportedLong-context reasoning (AA-LCR)% of questions 84.7%64.3%
UGI LeaderboardreportedRequested-length error% off the requested word count 2.0%73.0%
UGI LeaderboardreportedStyle adherencescore from 0 to 1 0.430.36
UGI LeaderboardreportedWriting scorescore out of 100 70.017.2

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 Claude Opus 5.5 better than MiniMax M2?

It depends on the task. Among models available today, on our benchmarks and licensed sources, Claude Opus 5.5 ranks higher for agents and tool use, reasoning and knowledge, writing and sticking to the facts.

Which is cheaper, Claude Opus 5.5 or MiniMax M2?

MiniMax M2 costs $0.52 per million tokens (three input to one output), against $8.00 for Claude Opus 5.5.

Run Claude Opus 5.5 and MiniMax M2 on your own prompt

Benchmarks aren't your data. Try both side by side in the playground, with the cost of every answer.