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

Claude Sonnet 4 is developed by Anthropic while Grok 3 Mini Beta is developed by xAI. Claude Sonnet 4 has a 200K token context window vs Grok 3 Mini Beta's 131K. You can compare their actual outputs across 13 challenges on Rival to see how they differ in practice.

Which is better, Claude Sonnet 4 or Grok 3 Mini Beta?

It depends on your use case. Claude Sonnet 4 and Grok 3 Mini Beta 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 Sonnet 4 cost compared to Grok 3 Mini Beta?

Claude Sonnet 4 costs $3/M input tokens and Grok 3 Mini Beta costs $0.4/M input tokens. Grok 3 Mini Beta is $2.60/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 Sonnet 4 and Grok 3 Mini Beta on Rival?

This page shows a side-by-side comparison of Claude Sonnet 4 and Grok 3 Mini Beta 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.

Updated May 2025

Claude Sonnet 4vsGrok 3 Mini Beta

Grok 3 Mini Beta is cheaper than Claude Sonnet 4 at $0.4/M vs $3/M input tokens.

Claude Sonnet 4 and Grok 3 Mini Beta compared across 13 shared prompts
Spec	Claude Sonnet 4	Grok 3 Mini Beta
Input price	$3/M tokens	$0.4/M tokens
Output price	$15/M tokens	$0.8/M tokens
Context window	200K tokens	131K tokens
Parameters	Not disclosed	Not disclosed
Weights	Closed	—
Free API (OpenRouter)	No	No
Released	May 2025	Apr 2025