Compare / Kimi K2.6 vs o3 Mini

Kimi K2.6 vs o3 Mini

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.

Kimi K2.6
Moonshot AI · profile
o3 Mini
OpenAI · profile
Results compared
12
Shared sources
3

Kimi K2.6 or o3 Mini? The short answer

  • Kimi K2.6 is cheaper: $1.71 against $1.93 per million tokens, 11% less.
  • Kimi K2.6 scores higher on the Artificial Analysis Intelligence Index: 27.0 against 12.5.
  • On our business benchmarks, Kimi K2.6 ranks higher for reasoning and knowledge, writing and sticking to the facts.

At a glance

Kimi K2.6o3 Mini
Price per million tokens$0.95 in · $4.00 out$1.10 in · $4.40 out
Blended (3 in : 1 out)$1.71$1.93
Cheapest host, blended$0.96 (Inceptron, INT4)–
Intelligence Index27.012.5
Spring Prompt overall––
Output speed, tokens a second––
Context window262,144 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 caseKimi K2.6o3 Mini
Agents and tool useMulti-step tasks with tools: support desks, coding agents, function calls 63 of 161 not measured
Professional workReal tasks from banking, consulting and law, business documents and freelance projects 43 of 51 not measured
Reasoning and knowledgeHard questions across science, maths and general knowledge 48 of 195 129 of 195
WritingWhat people prefer in blind comparisons, and judged writing quality 33 of 187 140 of 187
Sticking to the factsSummarising without inventing things, and factual answers 85 of 153 140 of 153

Every shared result

BenchmarkMetricKimi K2.6o3 Mini
Arena (formerly LMArena)reportedBusiness, management and financeArena rating 1,4551,328
Arena (formerly LMArena)reportedCreative writingArena rating 1,4331,301
Arena (formerly LMArena)reportedExpert promptsArena rating 1,5031,366
Arena (formerly LMArena)reportedInstruction followingArena rating 1,4561,344
Arena (formerly LMArena)reportedOverallArena rating 1,4611,348
Arena (formerly LMArena)reportedWriting, literature and languageArena rating 1,4411,325
Artificial AnalysisreportedArtificial Analysis Intelligence Indexindex score 27.012.5
Artificial AnalysisreportedGPQA Diamond% of questions 91.1%74.8%
Artificial AnalysisreportedHumanity's Last Exam% of questions 37.5%7.9%
Artificial AnalysisreportedTerminal-Bench Hard% of tasks 43.9%6.8%
Artificial AnalysisreportedΤ²-bench telecom% of tasks 95.9%28.7%
SimpleQA Verified (Epoch AI)reportedCorrect answers% of questions 34.9%15.3%

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 Kimi K2.6 better than o3 Mini?

It depends on the task. Among models available today, on our benchmarks and licensed sources, Kimi K2.6 ranks higher for reasoning and knowledge, writing and sticking to the facts.

Which is cheaper, Kimi K2.6 or o3 Mini?

Kimi K2.6 costs $1.71 per million tokens (three input to one output), against $1.93 for o3 Mini.

Run Kimi K2.6 and o3 Mini on your own prompt

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