What is the difference between Claude 3 Haiku and xAI: Grok 4.5?

Claude 3 Haiku is developed by Anthropic while xAI: Grok 4.5 is developed by xAI. Claude 3 Haiku has a 200K token context window vs xAI: Grok 4.5's 500K. You can compare their actual outputs across 54 challenges on Rival to see how they differ in practice.

Which is better, Claude 3 Haiku or xAI: Grok 4.5?

It depends on your use case. Claude 3 Haiku and xAI: Grok 4.5 each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 54 challenges so you can judge which fits your needs best.

How much does Claude 3 Haiku cost compared to xAI: Grok 4.5?

Claude 3 Haiku costs $0.25/M input tokens and xAI: Grok 4.5 costs $2/M input tokens. Claude 3 Haiku is $1.75/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 4.5 on Rival?

This page shows a side-by-side comparison of Claude 3 Haiku and xAI: Grok 4.5 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 4.5?

Claude 3 Haiku is developed by Anthropic while xAI: Grok 4.5 is developed by xAI. Claude 3 Haiku has a 200K token context window vs xAI: Grok 4.5's 500K. You can compare their actual outputs across 54 challenges on Rival to see how they differ in practice.

Which is better, Claude 3 Haiku or xAI: Grok 4.5?

It depends on your use case. Claude 3 Haiku and xAI: Grok 4.5 each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 54 challenges so you can judge which fits your needs best.

How much does Claude 3 Haiku cost compared to xAI: Grok 4.5?

Claude 3 Haiku costs $0.25/M input tokens and xAI: Grok 4.5 costs $2/M input tokens. Claude 3 Haiku is $1.75/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 4.5 on Rival?

This page shows a side-by-side comparison of Claude 3 Haiku and xAI: Grok 4.5 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 4.5: Which Is Better?

Updated Jul 2026

Our Verdict

xAI: Grok 4.5

Claude 3 HaikuRunner-up

No community votes yet. On paper, xAI: Grok 4.5 has the edge — bigger model tier, newer, bigger context window.

Claude 3 Haiku is 4.8x cheaper per token — worth considering if cost matters.

Slight edge

API pricing

Cost per 1M tokens

Claude 3 Haiku

Input

$0.25

8.0× cheaper

Output

$1.25

4.8× cheaper

xAI: Grok 4.5

Input

$2.00

Output

$6.00

Claude 3 Haiku is cheaper on both — 8.0× input, 4.8× output

Writing DNA

Style Comparison

Similarity

51%

xAI: Grok 4.5 uses 9.0x more emoji

Claude 3 Haiku

xAI: Grok 4.5

50%Vocabulary61%

22wSentence Length16w

0.71Hedging0.23

0.3Bold2.5

5.9Lists2.4

0.00Emoji0.09

0.00Headings0.48

0.08Transitions0.06

Based on 13 + 27 text responses

Research

What we learned reading every model

Claude 3 Haiku and xAI: Grok 4.5 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

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Claude 3 Haiku vs Llama 4 MaverickNew provider

Claude 3 Haiku vs GPT-5New provider

Updated Jul 2026

Our Verdict

xAI: Grok 4.5

Claude 3 HaikuRunner-up

No community votes yet. On paper, xAI: Grok 4.5 has the edge — bigger model tier, newer, bigger context window.

Claude 3 Haiku is 4.8x cheaper per token — worth considering if cost matters.

Slight edge

API pricing

Cost per 1M tokens

Claude 3 Haiku

Input

$0.25

8.0× cheaper

Output

$1.25

4.8× cheaper

xAI: Grok 4.5

Input

$2.00

Output

$6.00

Claude 3 Haiku is cheaper on both — 8.0× input, 4.8× output

Writing DNA

Style Comparison

Similarity

51%

xAI: Grok 4.5 uses 9.0x more emoji

Claude 3 Haiku

xAI: Grok 4.5

50%Vocabulary61%

22wSentence Length16w

0.71Hedging0.23

0.3Bold2.5

5.9Lists2.4

0.00Emoji0.09

0.00Headings0.48

0.08Transitions0.06

Based on 13 + 27 text responses

Research

What we learned reading every model

Claude 3 Haiku and xAI: Grok 4.5 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