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Model comparison

Kimi K2 vs DeepSeek-R1

Short answer

Kimi K2 and DeepSeek-R1 split the 6 benchmarks both report evenly; both charge the same $0.6 per 1M input tokens.

Specs and pricing side by side

SpecKimi K2DeepSeek-R1
MakerMoonshot AI (Kimi)DeepSeek
Released2025-07-112025-01-20
Context window128K128Ksame
Max output128K32,768 tokens (max generation length)
Input price$0.55 / 1M tokens$0.55 / 1M tokens (cache miss; $0.14 cache hit)
Output price$2.20 / 1M tokens$2.19 / 1M tokens
Parameters1T total / 32B active (MoE)671B total / 37B active (Mixture-of-Experts)
LicenseModified MIT LicenseMIT
WeightsOpen weightsOpen weightssame
ModalitiesTextTextsame
Knowledge cutoffnot publishedNot officially disclosed

Benchmarks both models report

BenchmarkKimi K2DeepSeek-R1
SWE-bench Verified65.8%49.2%
AIME 202469.6%79.8%
MATH-50097.4%97.3%
MMLU89.5%90.8%
MMLU-Pro81.1%84%
GPQA-Diamond75.1%71.5%

Scores are as published by each maker or its cited source; harness, reasoning effort and date can differ between rows, so treat small gaps as ties. Sources are listed on each model page.

Which one should you pick?

Pick Kimi K2 if…

  • You care about SWE-bench Verified, MATH-500, GPQA-Diamond (it scores higher on 3 shared benchmarks).
  • Your use case is: agentic coding assistants and automated software-engineering workflows.

Pick DeepSeek-R1 if…

  • You care about AIME 2024, MMLU, MMLU-Pro (it scores higher on 3 shared benchmarks).
  • Your use case is: competition-style math and multi-step logical reasoning.

FAQ

Which is better, Kimi K2 or DeepSeek-R1?

Kimi K2 and DeepSeek-R1 split the 6 benchmarks both report evenly; both charge the same $0.6 per 1M input tokens. The better pick depends on whether you value benchmark scores, price per token, context length or openness for your workload.

How do Kimi K2 and DeepSeek-R1 pricing compare?

Kimi K2: $0.55 / 1M tokens input, $2.20 / 1M tokens output. DeepSeek-R1: $0.55 / 1M tokens (cache miss; $0.14 cache hit) input, $2.19 / 1M tokens output (list API prices as published by each maker).

What are the context windows of Kimi K2 and DeepSeek-R1?

Kimi K2 offers 128K with up to 128K output; DeepSeek-R1 offers 128K with up to 32,768 tokens (max generation length) output.

Is Kimi K2 newer than DeepSeek-R1?

Kimi K2 was released 2025-07-11; DeepSeek-R1 was released 2025-01-20.

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