Compare / Kimi K2 0905 vs GPT-4o (2024-05-13)

Kimi K2 0905 vs GPT-4o (2024-05-13)

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 0905
Moonshot AI · profile
GPT-4o (2024-05-13)
OpenAI · profile
Results compared
12
Shared sources
3

Kimi K2 0905 or GPT-4o (2024-05-13)? The short answer

  • Kimi K2 0905 is cheaper: $1.07 against $7.50 per million tokens, 7.0 times less.
  • Kimi K2 0905 scores higher on the Artificial Analysis Intelligence Index: 15.3 against 7.3.
  • On our business benchmarks, Kimi K2 0905 ranks higher for reasoning and knowledge and writing.

At a glance

Kimi K2 0905GPT-4o (2024-05-13)
Price per million tokens$0.60 in · $2.50 out$5.00 in · $15.00 out
Blended (3 in : 1 out)$1.07$7.50
Cheapest host, blended–$7.50 (Azure)
Intelligence Index15.37.3
Spring Prompt overall––
Output speed, tokens a second––
Context window262,144 tokens128,000 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 0905GPT-4o (2024-05-13)
Reasoning and knowledgeHard questions across science, maths and general knowledge 124 of 195 182 of 195
WritingWhat people prefer in blind comparisons, and judged writing quality 71 of 187 88 of 187
Sticking to the factsSummarising without inventing things, and factual answers 135 of 153 not measured

Every shared result

BenchmarkMetricKimi K2 0905GPT-4o (2024-05-13)
Arena (formerly LMArena)reportedBusiness, management and financeArena rating 1,4041,322
Arena (formerly LMArena)reportedCreative writingArena rating 1,3821,338
Arena (formerly LMArena)reportedExpert promptsArena rating 1,4171,311
Arena (formerly LMArena)reportedInstruction followingArena rating 1,3901,326
Arena (formerly LMArena)reportedOverallArena rating 1,4191,346
Arena (formerly LMArena)reportedWriting, literature and languageArena rating 1,3821,345
Artificial AnalysisreportedArtificial Analysis Intelligence Indexindex score 15.37.30
Artificial AnalysisreportedGPQA Diamond% of questions 76.7%52.6%
Artificial AnalysisreportedHumanity's Last Exam% of questions 6.4%1.8%
UGI LeaderboardreportedRequested-length error% off the requested word count 22.0%12.0%
UGI LeaderboardreportedStyle adherencescore from 0 to 1 0.310.33
UGI LeaderboardreportedWriting scorescore out of 100 54.463.4

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 0905 better than GPT-4o (2024-05-13)?

It depends on the task. Among models available today, on our benchmarks and licensed sources, Kimi K2 0905 ranks higher for reasoning and knowledge and writing.

Which is cheaper, Kimi K2 0905 or GPT-4o (2024-05-13)?

Kimi K2 0905 costs $1.07 per million tokens (three input to one output), against $7.50 for GPT-4o (2024-05-13).

Run Kimi K2 0905 and GPT-4o (2024-05-13) on your own prompt

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