What is the difference between Claude 3 Haiku and xAI: Grok 4?

Claude 3 Haiku is developed by Anthropic while xAI: Grok 4 is developed by xAI. Claude 3 Haiku has a 200K token context window vs xAI: Grok 4's 256K. You can compare their actual outputs across 53 challenges on Rival to see how they differ in practice.

Which is better, Claude 3 Haiku or xAI: Grok 4?

It depends on your use case. Claude 3 Haiku and xAI: Grok 4 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 3 Haiku cost compared to xAI: Grok 4?

Claude 3 Haiku costs $0.25/M input tokens and xAI: Grok 4 costs $3/M input tokens. Claude 3 Haiku is $2.75/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 3 Haiku and xAI: Grok 4 on Rival?

This page shows a side-by-side comparison of Claude 3 Haiku and xAI: Grok 4 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 3 Haiku and xAI: Grok 4?

Claude 3 Haiku is developed by Anthropic while xAI: Grok 4 is developed by xAI. Claude 3 Haiku has a 200K token context window vs xAI: Grok 4's 256K. You can compare their actual outputs across 53 challenges on Rival to see how they differ in practice.

Which is better, Claude 3 Haiku or xAI: Grok 4?

It depends on your use case. Claude 3 Haiku and xAI: Grok 4 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 3 Haiku cost compared to xAI: Grok 4?

Claude 3 Haiku costs $0.25/M input tokens and xAI: Grok 4 costs $3/M input tokens. Claude 3 Haiku is $2.75/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 3 Haiku and xAI: Grok 4 on Rival?

This page shows a side-by-side comparison of Claude 3 Haiku and xAI: Grok 4 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 3 Haiku vs xAI: Grok 4: Which Is Better?

Updated Jul 2025

Our Verdict

xAI: Grok 4

Claude 3 HaikuRunner-up

No community votes yet. On paper, xAI: Grok 4 has the edge — bigger model tier, newer.

Claude 3 Haiku is 12x cheaper per token — worth considering if cost matters.

Too close to call

API pricing

Cost per 1M tokens

Claude 3 Haiku

Input

$0.25

12× cheaper

Output

$1.25

12× cheaper

xAI: Grok 4

Input

$3.00

Output

$15.00

Claude 3 Haiku is cheaper on both — 12× input, 12× output

Writing DNA

Style Comparison

Similarity

65%

xAI: Grok 4 uses 7.0x more emoji

Claude 3 Haiku

xAI: Grok 4

50%Vocabulary53%

22wSentence Length18w

0.71Hedging0.67

0.3Bold2.7

5.9Lists2.7

0.00Emoji0.07

0.00Headings0.86

0.08Transitions0.04

Based on 13 + 21 text responses

Research

What we learned reading every model

Claude 3 Haiku and xAI: Grok 4 have opinions about your brand too.Ask 10 models what they tell people about you. Verbatim receipts.Run the mirror

FAQ

Common questions

Keep exploring

More comparisons

Claude 3 Haiku vs MiniMax M3New provider

Claude 3 Haiku vs Llama 4 MaverickNew provider

Claude 3 Haiku vs GPT-5New provider

Updated Jul 2025

Our Verdict

xAI: Grok 4

Claude 3 HaikuRunner-up

No community votes yet. On paper, xAI: Grok 4 has the edge — bigger model tier, newer.

Claude 3 Haiku is 12x cheaper per token — worth considering if cost matters.

Too close to call

API pricing

Cost per 1M tokens

Claude 3 Haiku

Input

$0.25

12× cheaper

Output

$1.25

12× cheaper

xAI: Grok 4

Input

$3.00

Output

$15.00

Claude 3 Haiku is cheaper on both — 12× input, 12× output

Writing DNA

Style Comparison

Similarity

65%

xAI: Grok 4 uses 7.0x more emoji

Claude 3 Haiku

xAI: Grok 4

50%Vocabulary53%

22wSentence Length18w

0.71Hedging0.67

0.3Bold2.7

5.9Lists2.7

0.00Emoji0.07

0.00Headings0.86

0.08Transitions0.04

Based on 13 + 21 text responses

Research

What we learned reading every model

Claude 3 Haiku and xAI: Grok 4 have opinions about your brand too.Ask 10 models what they tell people about you. Verbatim receipts.Run the mirror

FAQ

Common questions

Keep exploring

More comparisons

Claude 3 Haiku vs MiniMax M3New provider

Claude 3 Haiku vs Llama 4 MaverickNew provider

Claude 3 Haiku vs GPT-5New provider