What is the difference between DeepSeek R1 and Kimi K3?

DeepSeek R1 is developed by DeepSeek while Kimi K3 is developed by Moonshot AI. DeepSeek R1 has a 128K token context window vs Kimi K3's 1.0M. You can compare their actual outputs across 53 challenges on Rival to see how they differ in practice.

Which is better, DeepSeek R1 or Kimi K3?

It depends on your use case. DeepSeek R1 and Kimi K3 each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 53 challenges so you can judge which fits your needs best.

How much does DeepSeek R1 cost compared to Kimi K3?

DeepSeek R1 costs $0.55/M input tokens and Kimi K3 costs $3/M input tokens. DeepSeek R1 is $2.45/M cheaper per input. Check their side-by-side outputs on Rival to see if the price difference is justified by quality.

How can I compare DeepSeek R1 and Kimi K3 on Rival?

This page shows a side-by-side comparison of DeepSeek R1 and Kimi K3 across shared challenges. You can vote on which model produced the better output in a blind duel. Browsing and voting are free. No account is needed to look; signing in only saves your votes and likes.

What is the difference between DeepSeek R1 and Kimi K3?

DeepSeek R1 is developed by DeepSeek while Kimi K3 is developed by Moonshot AI. DeepSeek R1 has a 128K token context window vs Kimi K3's 1.0M. You can compare their actual outputs across 53 challenges on Rival to see how they differ in practice.

Which is better, DeepSeek R1 or Kimi K3?

It depends on your use case. DeepSeek R1 and Kimi K3 each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 53 challenges so you can judge which fits your needs best.

How much does DeepSeek R1 cost compared to Kimi K3?

DeepSeek R1 costs $0.55/M input tokens and Kimi K3 costs $3/M input tokens. DeepSeek R1 is $2.45/M cheaper per input. Check their side-by-side outputs on Rival to see if the price difference is justified by quality.

How can I compare DeepSeek R1 and Kimi K3 on Rival?

This page shows a side-by-side comparison of DeepSeek R1 and Kimi K3 across shared challenges. You can vote on which model produced the better output in a blind duel. Browsing and voting are free. No account is needed to look; signing in only saves your votes and likes.

DeepSeek R1 vs Kimi K3: Which Is Better?

Updated Jul 2026

Our Verdict

Kimi K3

DeepSeek R1Runner-up

No community votes yet. On paper, Kimi K3 has the edge — bigger model tier, newer, bigger context window.

DeepSeek R1 is 6.8x cheaper per token — worth considering if cost matters.

Too close to call

What do DeepSeek R1 and Kimi K3 say about your brand?

10 models, one question, verbatim receipts.

or peek at a demo: Notion Linear Vercel

API pricing

Cost per 1M tokens

DeepSeek R1

Input

$0.55

5.5× cheaper

Output

$2.19

6.8× cheaper

Kimi K3

Input

$3.00

Output

$15.00

DeepSeek R1 is cheaper on both — 5.5× input, 6.8× output

Writing DNA

Style Comparison

Similarity

32%

Kimi K3 uses 18.0x more emoji

DeepSeek R1

Kimi K3

62%Vocabulary58%

15wSentence Length21w

0.52Hedging0.46

8.0Bold3.6

5.7Lists3.4

0.04Emoji0.78

0.62Headings0.89

0.28Transitions0.17

Based on 22 + 27 text responses

Research

What we learned reading every model

FAQ

Common questions

Keep exploring

More comparisons

DeepSeek R1 vs MiniMax M3New provider

DeepSeek R1 vs GPT-5New provider

DeepSeek R1 vs Llama 4 MaverickNew provider

Updated Jul 2026

Our Verdict

Kimi K3

DeepSeek R1Runner-up

No community votes yet. On paper, Kimi K3 has the edge — bigger model tier, newer, bigger context window.

DeepSeek R1 is 6.8x cheaper per token — worth considering if cost matters.

Too close to call

What do DeepSeek R1 and Kimi K3 say about your brand?

10 models, one question, verbatim receipts.

or peek at a demo: Notion Linear Vercel

API pricing

Cost per 1M tokens

DeepSeek R1

Input

$0.55

5.5× cheaper

Output

$2.19

6.8× cheaper

Kimi K3

Input

$3.00

Output

$15.00

DeepSeek R1 is cheaper on both — 5.5× input, 6.8× output

Writing DNA

Style Comparison

Similarity

32%

Kimi K3 uses 18.0x more emoji

DeepSeek R1

Kimi K3

62%Vocabulary58%

15wSentence Length21w

0.52Hedging0.46

8.0Bold3.6

5.7Lists3.4

0.04Emoji0.78

0.62Headings0.89

0.28Transitions0.17

Based on 22 + 27 text responses

Research

What we learned reading every model

FAQ

Common questions

Keep exploring

More comparisons

DeepSeek R1 vs MiniMax M3New provider

DeepSeek R1 vs GPT-5New provider

DeepSeek R1 vs Llama 4 MaverickNew provider