Compare Claude Sonnet 4 by Anthropic against DeepSeek R1 by DeepSeek, in 23 community votes, claude sonnet 4 wins 79% of head-to-head duels, context windows of 200K vs 128K, tested across 33 shared challenges. Updated April 2026.
Claude Sonnet 4 is the better choice overall, winning 79% of 23 blind community votes on Rival. Claude Sonnet 4 costs $3/M input tokens vs $0.55/M for DeepSeek R1. Context windows: 200K vs 128K tokens. Compare their real outputs side by side below.
Claude Sonnet 4 is made by anthropic while DeepSeek R1 is from deepseek. Claude Sonnet 4 has a 200K token context window compared to DeepSeek R1's 128K. On pricing, Claude Sonnet 4 costs $3/M input tokens vs $0.55/M for DeepSeek R1. In community voting, In 23 community votes, Claude Sonnet 4 wins 79% of head-to-head duels.
In 23 community votes, Claude Sonnet 4 wins 79% of head-to-head duels. Claude Sonnet 4 leads in Image Generation. Based on blind community voting from the Rival open dataset of 23+ human preference judgments for this pair.
Pick Claude Sonnet 4. In 23 blind votes, Claude Sonnet 4 wins 79% of the time. That's not luck.
Claude Sonnet 4 particularly excels in Image Generation. DeepSeek R1 is 6.8x cheaper per token — worth considering if cost matters.
Claude Sonnet 4 uses 20.3x more emoji
vsAsk them anything yourself
279 AI models invented the same fake scientist.
We read every word. 250 models. 2.14 million words. This is what we found.
33 fights queued
Tests an AI's ability to solve a simple but potentially confusing logic puzzle
I need to think through this step-by-step.
Given information:
Let me work out how many sisters are in the family total.
If each of Sally's 3 brothers has 2 sisters, and all the brothers are in the same family, then there must be 2 sisters total in the family.
Since Sally is one of those sisters, and there are 2 sisters total, Sally must have 1 sister.
Therefore, Sally has 1 sister.
Tests an AI's understanding of number representation
Tests an AI's randomness and creativity
Here are 5 jokes for you:
Why don't scientists trust atoms? Because they make up everything!
I told my wife she was drawing her eyebrows too high. She looked surprised.
Why don't eggs tell jokes? They'd crack each other up!
I'm reading a book about anti-gravity. It's impossible to put down!
Why did the scarecrow win an award? He was outstanding in his field!
All 5 jokes are unique - each one has a different setup, punchline, and comedic concept. They cover different types of wordplay: scientific puns (#1, #4), visual humor (#2), food puns (#3), and agricultural wordplay (#5).
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, nostalgic Pokémon battle UI in a single HTML file.
Create a 3D building and driving game in a single self-contained HTML file using Three.js. Tests an AI's ability to combine 3D graphics, game logic, and UI interactions on the web.
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
21+ more head-to-head results. Free. Not a trick.
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