What is the difference between Claude Haiku 4.5 and Kimi K3?

Claude Haiku 4.5 is developed by Anthropic while Kimi K3 is developed by Moonshot AI. Claude Haiku 4.5 has a 200K 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, Claude Haiku 4.5 or Kimi K3?

It depends on your use case. Claude Haiku 4.5 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 Claude Haiku 4.5 cost compared to Kimi K3?

Claude Haiku 4.5 costs $1/M input tokens and Kimi K3 costs $3/M input tokens. Claude Haiku 4.5 is $2.00/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 Claude Haiku 4.5 and Kimi K3 on Rival?

This page shows a side-by-side comparison of Claude Haiku 4.5 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 Claude Haiku 4.5 and Kimi K3?

Claude Haiku 4.5 is developed by Anthropic while Kimi K3 is developed by Moonshot AI. Claude Haiku 4.5 has a 200K 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, Claude Haiku 4.5 or Kimi K3?

It depends on your use case. Claude Haiku 4.5 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 Claude Haiku 4.5 cost compared to Kimi K3?

Claude Haiku 4.5 costs $1/M input tokens and Kimi K3 costs $3/M input tokens. Claude Haiku 4.5 is $2.00/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 Claude Haiku 4.5 and Kimi K3 on Rival?

This page shows a side-by-side comparison of Claude Haiku 4.5 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.

Claude Haiku 4.5 vs Kimi K3: Which Is Better?

Updated Jul 2026

Our Verdict

Kimi K3

Claude Haiku 4.5Runner-up

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

Claude Haiku 4.5 is 3.0x cheaper per token — worth considering if cost matters.

Too close to call

What do Claude Haiku 4.5 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

Claude Haiku 4.5

Input

$1.00

3.0× cheaper

Output

$5.00

3.0× cheaper

Kimi K3

Input

$3.00

Output

$15.00

Claude Haiku 4.5 is cheaper on both — 3.0× input, 3.0× output

Writing DNA

Style Comparison

Similarity

59%

Kimi K3 uses 3.8x more emoji

Claude Haiku 4.5

Kimi K3

61%Vocabulary58%

47wSentence Length21w

0.64Hedging0.46

5.1Bold3.6

6.3Lists3.4

0.20Emoji0.78

2.46Headings0.89

0.17Transitions0.17

Based on 24 + 27 text responses

Research

What we learned reading every model

FAQ

Common questions

Keep exploring

More comparisons

Claude Haiku 4.5 vs Ox AlphaNew provider

Claude Haiku 4.5 vs MiniMax M3New provider

Claude Haiku 4.5 vs GPT-5New provider

Updated Jul 2026

Our Verdict

Kimi K3

Claude Haiku 4.5Runner-up

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

Claude Haiku 4.5 is 3.0x cheaper per token — worth considering if cost matters.

Too close to call

What do Claude Haiku 4.5 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

Claude Haiku 4.5

Input

$1.00

3.0× cheaper

Output

$5.00

3.0× cheaper

Kimi K3

Input

$3.00

Output

$15.00

Claude Haiku 4.5 is cheaper on both — 3.0× input, 3.0× output

Writing DNA

Style Comparison

Similarity

59%

Kimi K3 uses 3.8x more emoji

Claude Haiku 4.5

Kimi K3

61%Vocabulary58%

47wSentence Length21w

0.64Hedging0.46

5.1Bold3.6

6.3Lists3.4

0.20Emoji0.78

2.46Headings0.89

0.17Transitions0.17

Based on 24 + 27 text responses

Research

What we learned reading every model

FAQ

Common questions

Keep exploring

More comparisons

Claude Haiku 4.5 vs Ox AlphaNew provider

Claude Haiku 4.5 vs MiniMax M3New provider

Claude Haiku 4.5 vs GPT-5New provider