What is the difference between Claude 3 Sonnet and Grok 4?

Claude 3 Sonnet is developed by Anthropic while Grok 4 is developed by xAI. You can compare their actual outputs across 13 challenges on Rival to see how they differ in practice.

Which is better, Claude 3 Sonnet or Grok 4?

It depends on your use case. Claude 3 Sonnet and Grok 4 each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 13 challenges so you can judge which fits your needs best.

How much does Claude 3 Sonnet cost compared to Grok 4?

Claude 3 Sonnet costs $3/M input tokens and Grok 4 costs $3/M input tokens. Grok 4 is $0.00/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 3 Sonnet and Grok 4 on Rival?

This page shows a side-by-side comparison of Claude 3 Sonnet and 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 Sonnet and Grok 4?

Claude 3 Sonnet is developed by Anthropic while Grok 4 is developed by xAI. You can compare their actual outputs across 13 challenges on Rival to see how they differ in practice.

Which is better, Claude 3 Sonnet or Grok 4?

It depends on your use case. Claude 3 Sonnet and Grok 4 each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 13 challenges so you can judge which fits your needs best.

How much does Claude 3 Sonnet cost compared to Grok 4?

Claude 3 Sonnet costs $3/M input tokens and Grok 4 costs $3/M input tokens. Grok 4 is $0.00/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 3 Sonnet and Grok 4 on Rival?

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

Updated Jul 2025

Our Verdict

Claude 3 Sonnet

Grok 4

No community votes yet. On paper, these are closely matched - try both with your actual task to see which fits your workflow.

Too close to call

What do Claude 3 Sonnet and Grok 4 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 3 Sonnet

Input

$3.00

Output

$15.00

Grok 4

Input

$3.00

Output

$15.00

Writing DNA

Style Comparison

Similarity

46%

Grok 4 uses 267.9x more bold

Claude 3 Sonnet

Grok 4

48%Vocabulary53%

14wSentence Length18w

0.32Hedging0.67

0.0Bold2.7

3.6Lists2.7

0.00Emoji0.07

0.00Headings0.86

0.38Transitions0.04

Based on 4 + 21 text responses

Research

What we learned reading every model

FAQ

Common questions

Keep exploring

More comparisons

Claude 3 Sonnet vs MiniMax M3New provider

Claude 3 Sonnet vs Ox AlphaNew provider

Grok 4 vs Claude Sonnet 4Cross-provider

Updated Jul 2025

Our Verdict

Claude 3 Sonnet

Grok 4

No community votes yet. On paper, these are closely matched - try both with your actual task to see which fits your workflow.

Too close to call

What do Claude 3 Sonnet and Grok 4 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 3 Sonnet

Input

$3.00

Output

$15.00

Grok 4

Input

$3.00

Output

$15.00

Writing DNA

Style Comparison

Similarity

46%

Grok 4 uses 267.9x more bold

Claude 3 Sonnet

Grok 4

48%Vocabulary53%

14wSentence Length18w

0.32Hedging0.67

0.0Bold2.7

3.6Lists2.7

0.00Emoji0.07

0.00Headings0.86

0.38Transitions0.04

Based on 4 + 21 text responses

Research

What we learned reading every model

FAQ

Common questions

Keep exploring

More comparisons

Claude 3 Sonnet vs MiniMax M3New provider

Claude 3 Sonnet vs Ox AlphaNew provider

Grok 4 vs Claude Sonnet 4Cross-provider