Claude Sonnet 4 vs xAI: Grok 4
Compare Claude Sonnet 4 by Anthropic against xAI: Grok 4 by xAI, in 34 community votes, claude sonnet 4 wins 67% of head-to-head duels, context windows of 200K vs 256K, tested across 53 shared challenges. Updated May 2026.
Which is better, Claude Sonnet 4 or xAI: Grok 4?
Claude Sonnet 4 is the better choice overall, winning 67% of 34 blind community votes on Rival. Claude Sonnet 4 costs $3/M input tokens vs $3/M for xAI: Grok 4. Context windows: 200K vs 256K tokens. Compare their real outputs side by side below.
Key Differences Between Claude Sonnet 4 and xAI: Grok 4
Claude Sonnet 4 is made by anthropic while xAI: Grok 4 is from xai. Claude Sonnet 4 has a 200K token context window compared to xAI: Grok 4's 256K. On pricing, Claude Sonnet 4 costs $3/M input tokens vs $3/M for xAI: Grok 4. In community voting, In 34 community votes, Claude Sonnet 4 wins 67% of head-to-head duels.
In 34 community votes, Claude Sonnet 4 wins 67% of head-to-head duels. Claude Sonnet 4 leads in Image Generation, Analysis, while xAI: Grok 4 leads in Web Design. Based on blind community voting from the Rival open dataset of 34+ human preference judgments for this pair.
Per 1M tokens
Pick Claude Sonnet 4. In 34 blind votes, Claude Sonnet 4 wins 67% of the time. That's not luck.
Pick Claude Sonnet 4 for Analysis, Image Generation. Pick xAI: Grok 4 for Web Design.
Style Comparison
Claude Sonnet 4 uses 12.5x more emoji
