Compare / MiniMax M2.7 vs Grok 4.5

MiniMax M2.7 vs Grok 4.5

Which is cheaper, which is more capable, and which does better at each kind of work, from 19 results on 3 sources that measured both models.

MiniMax M2.7
MiniMax · profile
Grok 4.5
xAI · profile
Results compared
19
Shared sources
3

MiniMax M2.7 or Grok 4.5? The short answer

  • MiniMax M2.7 is cheaper: $0.52 against $3.00 per million tokens, 5.7 times less.
  • Grok 4.5 scores higher on the Artificial Analysis Intelligence Index: 38.8 against 22.8.
  • On our business benchmarks, Grok 4.5 ranks higher for agents and tool use, reasoning and knowledge, writing and sticking to the facts.

At a glance

MiniMax M2.7Grok 4.5
Price per million tokens$0.30 in · $1.20 out$2.00 in · $6.00 out
Blended (3 in : 1 out)$0.52$3.00
Cheapest host, blended$0.37 (GMICloud, FP8)$3.00 (xAI)
Intelligence Index22.838.8
Spring Prompt overall––
Output speed, tokens a second––
Context window204,800 tokens500,000 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 M2.7Grok 4.5
Agents and tool useMulti-step tasks with tools: support desks, coding agents, function calls 100 of 161 43 of 161
Professional workReal tasks from banking, consulting and law, business documents and freelance projects not measured 26 of 51
Reasoning and knowledgeHard questions across science, maths and general knowledge 68 of 195 22 of 195
WritingWhat people prefer in blind comparisons, and judged writing quality 108 of 187 38 of 187
Sticking to the factsSummarising without inventing things, and factual answers 124 of 153 43 of 153

Every shared result

BenchmarkMetricMiniMax M2.7Grok 4.5
Arena (formerly LMArena)reportedOverallArena rating 1,4221,465
Arena (formerly LMArena)reportedBusiness, management and financeArena rating 1,4231,465
Arena (formerly LMArena)reportedCreative writingArena rating 1,3631,452
Arena (formerly LMArena)reportedExpert promptsArena rating 1,4521,488
Arena (formerly LMArena)reportedInstruction followingArena rating 1,4071,462
Arena (formerly LMArena)reportedOverallArena rating 1,4151,465
Arena (formerly LMArena)reportedWriting, literature and languageArena rating 1,3861,459
Artificial AnalysisreportedArtificial Analysis Coding Indexindex score 52.672.4
Artificial AnalysisreportedArtificial Analysis Intelligence Indexindex score 22.838.8
Artificial AnalysisreportedGPQA Diamond% of questions 87.4%93.1%
Artificial AnalysisreportedHumanity's Last Exam% of questions 29.6%42.7%
Artificial AnalysisreportedLong-context reasoning (AA-LCR)% of questions 78.3%79.3%
Artificial AnalysisreportedSciCode% of problems 50.1%55.0%
Artificial AnalysisreportedTerminal-Bench 2.1% of tasks 55.4%81.6%
Artificial AnalysisreportedTerminal-Bench 4.0% of tasks 0.0%10.6%
Artificial AnalysisreportedΤ-bench banking% of tasks 9.9%42.1%
UGI LeaderboardreportedRequested-length error% off the requested word count 36.0%21.0%
UGI LeaderboardreportedStyle adherencescore from 0 to 1 0.380.32
UGI LeaderboardreportedWriting scorescore out of 100 37.660.0

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 M2.7 better than Grok 4.5?

It depends on the task. Among models available today, on our benchmarks and licensed sources, Grok 4.5 ranks higher for agents and tool use, reasoning and knowledge, writing and sticking to the facts.

Which is cheaper, MiniMax M2.7 or Grok 4.5?

MiniMax M2.7 costs $0.52 per million tokens (three input to one output), against $3.00 for Grok 4.5.

Run MiniMax M2.7 and Grok 4.5 on your own prompt

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