Compare Grok 3 Beta by xAI against Claude 3.7 Sonnet by Anthropic, context windows of 131K vs 200K, tested across 53 shared challenges. Updated April 2026.
Grok 3 Beta and Claude 3.7 Sonnet are both competitive models. Grok 3 Beta costs $2/M input tokens vs $3/M for Claude 3.7 Sonnet. Context windows: 131K vs 200K tokens. Compare their real outputs side by side below.
Grok 3 Beta is made by xai while Claude 3.7 Sonnet is from anthropic. Grok 3 Beta has a 131K token context window compared to Claude 3.7 Sonnet's 200K. On pricing, Grok 3 Beta costs $2/M input tokens vs $3/M for Claude 3.7 Sonnet.
48 fights queued
Tests an AI's ability to make educated estimates based on technical knowledge
Tests an AI's ability to understand game rules and strategy
Tests an AI's ability to solve a simple but potentially confusing logic puzzle
Tests an AI's understanding of number representation
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
Tests an AI's ability to simulate personalities and predict future trends
Tests an AI's humor and understanding of current events
Tests an AI's ability to write in distinct character voices
Tests an AI's ability to generate a complete, working landing page
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No community votes yet. On paper, Grok 3 Beta has the edge — bigger model tier, newer.
Grok 3 Beta is 3.8x cheaper per token — worth considering if cost matters.
Claude 3.7 Sonnet uses 3.4x more headings
Ask them anything yourself
Some models write identically. You are paying for the brand.
178 models fingerprinted across 32 writing dimensions. Free research.
185x
price gap between models that write identically
178
models
12
clone pairs
32
dimensions
279 AI models invented the same fake scientist.
We read every word. 250 models. 2.14 million words. This is what we found.
