Compare / Claude Haiku 4.5 vs MiniMax M2.1

Claude Haiku 4.5 vs MiniMax M2.1

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 Haiku 4.5
Anthropic · profile
MiniMax M2.1
MiniMax · profile
Results compared
12
Shared sources
3

Claude Haiku 4.5 or MiniMax M2.1? The short answer

  • MiniMax M2.1 is cheaper: $0.52 against $2.00 per million tokens, 3.8 times less.
  • MiniMax M2.1 scores higher on the Artificial Analysis Intelligence Index: 20.9 against 16.9.
  • On our business benchmarks, Claude Haiku 4.5 ranks higher for agents and tool use and writing.
  • On our business benchmarks, MiniMax M2.1 ranks higher for reasoning and knowledge and sticking to the facts.

At a glance

Claude Haiku 4.5MiniMax M2.1
Price per million tokens$1.00 in · $5.00 out$0.30 in · $1.20 out
Blended (3 in : 1 out)$2.00$0.52
Cheapest host, blended$2.00 (Azure)$0.52 (Novita, FP8)
Intelligence Index16.920.9
Spring Prompt overall8–
Output speed, tokens a second102–
Context window200,000 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 Haiku 4.5MiniMax M2.1
Product listingsTurning a sparse product feed and photos into listings that can go live 18 of 19 not measured
Decks from an analysisTurning a finished analysis into a deck you could present as it is 16 of 18 not measured
Marketing planningPlanning a year of ad spend without overspending 17 of 18 not measured
Agents and tool useMulti-step tasks with tools: support desks, coding agents, function calls 88 of 161 125 of 161
Reasoning and knowledgeHard questions across science, maths and general knowledge 123 of 195 86 of 195
WritingWhat people prefer in blind comparisons, and judged writing quality 84 of 187 106 of 187
Sticking to the factsSummarising without inventing things, and factual answers 118 of 153 116 of 153
Speed under pressureGood decisions against a real clock (fast chess) 16 of 21 not measured

Every shared result

BenchmarkMetricClaude Haiku 4.5MiniMax M2.1
Artificial AnalysisreportedArtificial Analysis Intelligence Indexindex score 16.920.9
Artificial AnalysisreportedGPQA Diamond% of questions 67.2%83.0%
Artificial AnalysisreportedHumanity's Last Exam% of questions 10.4%23.2%
Artificial AnalysisreportedIFBench% of instructions 54.3%69.9%
Artificial AnalysisreportedLong-context reasoning (AA-LCR)% of questions 74.3%67.7%
Artificial AnalysisreportedTerminal-Bench Hard% of tasks 27.3%28.8%
Artificial AnalysisreportedΤ²-bench telecom% of tasks 54.7%85.4%
UGI LeaderboardreportedRequested-length error% off the requested word count 6.0%31.0%
UGI LeaderboardreportedStyle adherencescore from 0 to 1 0.390.41
UGI LeaderboardreportedWriting scorescore out of 100 52.241.6
Vectara Hallucination LeaderboardreportedAnswer rate% of documents 99.5%98.5%
Vectara Hallucination LeaderboardreportedHallucination rate% of summaries 9.8%11.8%

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 Claude Haiku 4.5 better than MiniMax M2.1?

It depends on the task. Among models available today, on our benchmarks and licensed sources, Claude Haiku 4.5 ranks higher for agents and tool use and writing; MiniMax M2.1 ranks higher for reasoning and knowledge and sticking to the facts.

Which is cheaper, Claude Haiku 4.5 or MiniMax M2.1?

MiniMax M2.1 costs $0.52 per million tokens (three input to one output), against $2.00 for Claude Haiku 4.5.

Run Claude Haiku 4.5 and MiniMax M2.1 on your own prompt

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