Compare / MiniMax M2.5 vs o3

MiniMax M2.5 vs o3

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 M2.5
MiniMax · profile
o3
OpenAI · profile
Results compared
17
Shared sources
3

MiniMax M2.5 or o3? The short answer

  • MiniMax M2.5 is cheaper: $0.52 against $3.50 per million tokens, 6.7 times less.
  • MiniMax M2.5 scores higher on the Artificial Analysis Intelligence Index: 22.8 against 20.2.
  • On our business benchmarks, MiniMax M2.5 ranks higher for reasoning and knowledge.
  • On our business benchmarks, o3 ranks higher for agents and tool use, writing and sticking to the facts.

At a glance

MiniMax M2.5o3
Price per million tokens$0.30 in · $1.20 out$2.00 in · $8.00 out
Blended (3 in : 1 out)$0.52$3.50
Cheapest host, blended$0.44 (Venice)–
Intelligence Index22.820.2
Spring Prompt overall––
Output speed, tokens a second–126
Context window204,800 tokens200,000 tokens
WeightsOpenClosed
Developer based inChinathe US

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 M2.5o3
Agents and tool useMulti-step tasks with tools: support desks, coding agents, function calls 132 of 161 13 of 161
Reasoning and knowledgeHard questions across science, maths and general knowledge 80 of 195 95 of 195
WritingWhat people prefer in blind comparisons, and judged writing quality 112 of 187 49 of 187
Sticking to the factsSummarising without inventing things, and factual answers 103 of 153 91 of 153

Every shared result

BenchmarkMetricMiniMax M2.5o3
Arena (formerly LMArena)reportedOverallArena rating 1,3861,405
Arena (formerly LMArena)reportedBusiness, management and financeArena rating 1,4001,426
Arena (formerly LMArena)reportedCreative writingArena rating 1,3571,383
Arena (formerly LMArena)reportedExpert promptsArena rating 1,4251,449
Arena (formerly LMArena)reportedInstruction followingArena rating 1,3811,403
Arena (formerly LMArena)reportedOverallArena rating 1,3911,432
Arena (formerly LMArena)reportedWriting, literature and languageArena rating 1,3691,396
Artificial AnalysisreportedArtificial Analysis Intelligence Indexindex score 22.820.2
Artificial AnalysisreportedGPQA Diamond% of questions 84.8%82.7%
Artificial AnalysisreportedHumanity's Last Exam% of questions 20.5%20.1%
Artificial AnalysisreportedIFBench% of instructions 71.6%71.4%
Artificial AnalysisreportedLong-context reasoning (AA-LCR)% of questions 73.3%74.7%
Artificial AnalysisreportedTerminal-Bench Hard% of tasks 34.8%37.1%
Artificial AnalysisreportedΤ²-bench telecom% of tasks 95.3%80.7%
UGI LeaderboardreportedRequested-length error% off the requested word count 41.0%18.0%
UGI LeaderboardreportedStyle adherencescore from 0 to 1 0.380.30
UGI LeaderboardreportedWriting scorescore out of 100 41.766.8

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 M2.5 better than o3?

It depends on the task. Among models available today, on our benchmarks and licensed sources, MiniMax M2.5 ranks higher for reasoning and knowledge; o3 ranks higher for agents and tool use, writing and sticking to the facts.

Which is cheaper, MiniMax M2.5 or o3?

MiniMax M2.5 costs $0.52 per million tokens (three input to one output), against $3.50 for o3.

Run MiniMax M2.5 and o3 on your own prompt

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