Compare Claude Sonnet 4 by Anthropic against Grok 3 by xAI, in 19 community votes, claude sonnet 4 wins 69% of head-to-head duels, context windows of 200K vs 128K, tested across 21 shared challenges. Updated March 2026.
Claude Sonnet 4 is the better choice overall, winning 69% of 19 blind community votes on Rival. Context windows: 200K vs 128K tokens. Compare their real outputs side by side below.
Claude Sonnet 4 is made by anthropic while Grok 3 is from xai. Claude Sonnet 4 has a 200K token context window compared to Grok 3's 128K. In community voting, In 19 community votes, Claude Sonnet 4 wins 69% of head-to-head duels.
In 19 community votes, Claude Sonnet 4 wins 69% of head-to-head duels. Claude Sonnet 4 leads in Image Generation, Reasoning, Analysis, while Grok 3 leads in Web Design. Based on blind community voting from the Rival open dataset of 19+ human preference judgments for this pair.
Pick Claude Sonnet 4. In 19 blind votes, Claude Sonnet 4 wins 69% of the time. That's not luck.
Pick Claude Sonnet 4 for Image Generation, Reasoning, Analysis. Pick Grok 3 for Web Design.
vsAsk them anything yourself
21 fights queued
Tests an AI's understanding of number representation
No, 9.11 is not greater than 9.9.
To compare these decimal numbers:
Since both numbers have the same whole number part (9), we compare the decimal parts:
Therefore, 9.9 is greater than 9.11.
No, 9.11 is not greater than 9.9. In decimal comparison, 9.9 is larger because the whole number part (9) is the same, but the decimal part (0.9) is greater than (0.11). Numerically, 9.9 > 9.11.
Tests an AI's randomness and creativity
Tests an AI's ability to generate vector graphics
Tests an AI's ability to create detailed SVG illustrations of gaming hardware
Tests an AI's humor and creative writing ability
Recreate an interactive, classic Mario level in a single HTML file.
Tests an AI's ability to replicate an existing UI with Tailwind CSS
Tests an AI's ability to create interactive web elements
Tests an AI's ability to create a detailed world map in SVG format
Generate a unique and simple recipe with common ingredients.
Create a starter plan for improving long-term health.
Recreate a classic, retro, macOS Desktop UI. Make it interactive and nostalgic, make it as interactive as you can, you can be creative. Feel free to showcase your skills. The entire application must be a single-page self-contained HTML file.
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