Claude 3.7 Sonnet vs Grok 3 Beta
Compare Claude 3.7 Sonnet by Anthropic against Grok 3 Beta by xAI, context windows of 200K vs 131K, tested across 54 shared challenges. Updated May 2026.
Which is better, Claude 3.7 Sonnet or Grok 3 Beta?
Claude 3.7 Sonnet and Grok 3 Beta are both competitive models. Claude 3.7 Sonnet costs $3/M input tokens vs $2/M for Grok 3 Beta. Context windows: 200K vs 131K tokens. Compare their real outputs side by side below.
Key Differences Between Claude 3.7 Sonnet and Grok 3 Beta
Claude 3.7 Sonnet is made by anthropic while Grok 3 Beta is from xai. Claude 3.7 Sonnet has a 200K token context window compared to Grok 3 Beta's 131K. On pricing, Claude 3.7 Sonnet costs $3/M input tokens vs $2/M for Grok 3 Beta.
Per 1M tokens
Grok 3 Beta is cheaper on both — 1.5× input, 3.8× output
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.
Style Comparison
Claude 3.7 Sonnet uses 3.4x more headings
