Compare / MiniMax M2.1 vs Kimi K2 Thinking

MiniMax M2.1 vs Kimi K2 Thinking

Which is cheaper, which is more capable, and which does better at each kind of work, from 16 results on 3 sources that measured both models.

MiniMax M2.1
MiniMax · profile
Kimi K2 Thinking
Moonshot AI · profile
Results compared
16
Shared sources
3

MiniMax M2.1 or Kimi K2 Thinking? The short answer

  • MiniMax M2.1 is cheaper: $0.52 against $1.07 per million tokens, 2.0 times less.
  • Kimi K2 Thinking scores higher on the Artificial Analysis Intelligence Index: 22.0 against 20.9.
  • On our business benchmarks, MiniMax M2.1 ranks higher for agents and tool use.
  • On our business benchmarks, Kimi K2 Thinking ranks higher for reasoning and knowledge and writing.

At a glance

MiniMax M2.1Kimi K2 Thinking
Price per million tokens$0.30 in · $1.20 out$0.60 in · $2.50 out
Blended (3 in : 1 out)$0.52$1.07
Cheapest host, blended$0.52 (Novita, FP8)$1.07 (Google)
Intelligence Index20.922.0
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 M2.1Kimi K2 Thinking
Agents and tool useMulti-step tasks with tools: support desks, coding agents, function calls 125 of 161 133 of 161
Reasoning and knowledgeHard questions across science, maths and general knowledge 86 of 195 82 of 195
WritingWhat people prefer in blind comparisons, and judged writing quality 106 of 187 48 of 187
Sticking to the factsSummarising without inventing things, and factual answers 116 of 153 not measured

Every shared result

BenchmarkMetricMiniMax M2.1Kimi K2 Thinking
Artificial AnalysisreportedArtificial Analysis Intelligence Indexindex score 20.922.0
Artificial AnalysisreportedGPQA Diamond% of questions 83.0%83.8%
Artificial AnalysisreportedHumanity's Last Exam% of questions 23.2%23.8%
Artificial AnalysisreportedIFBench% of instructions 69.9%68.1%
Artificial AnalysisreportedLong-context reasoning (AA-LCR)% of questions 67.7%72.0%
Artificial AnalysisreportedTerminal-Bench Hard% of tasks 28.8%31.1%
Artificial AnalysisreportedΤ²-bench telecom% of tasks 85.4%93.0%
OpenHands IndexreportedAverage% resolved 41.2%41.0%
OpenHands IndexreportedFront end (SWE-Bench Multimodal)% resolved 16.2%32.4%
OpenHands IndexreportedGreenfield (Commit0)% resolved 18.8%12.5%
OpenHands IndexreportedInformation gathering (GAIA)% resolved 40.6%43.6%
OpenHands IndexreportedIssue resolution (SWE-Bench)% resolved 68.8%69.2%
OpenHands IndexreportedTesting (SWT-Bench)% resolved 61.4%47.3%
UGI LeaderboardreportedRequested-length error% off the requested word count 31.0%20.0%
UGI LeaderboardreportedStyle adherencescore from 0 to 1 0.410.38
UGI LeaderboardreportedWriting scorescore out of 100 41.659.3

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 M2.1 better than Kimi K2 Thinking?

It depends on the task. Among models available today, on our benchmarks and licensed sources, MiniMax M2.1 ranks higher for agents and tool use; Kimi K2 Thinking ranks higher for reasoning and knowledge and writing.

Which is cheaper, MiniMax M2.1 or Kimi K2 Thinking?

MiniMax M2.1 costs $0.52 per million tokens (three input to one output), against $1.07 for Kimi K2 Thinking.

Run MiniMax M2.1 and Kimi K2 Thinking on your own prompt

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