Claude Opus 4.1 vs Grok 3 Beta
Compare Claude Opus 4.1 by Anthropic against Grok 3 Beta by xAI, context windows of 200K vs 131K, tested across 53 shared challenges. Updated June 2026.
Which is better, Claude Opus 4.1 or Grok 3 Beta?
Claude Opus 4.1 and Grok 3 Beta are both competitive models. Claude Opus 4.1 costs $15/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 Opus 4.1 and Grok 3 Beta
Claude Opus 4.1 is made by anthropic while Grok 3 Beta is from xai. Claude Opus 4.1 has a 200K token context window compared to Grok 3 Beta's 131K. On pricing, Claude Opus 4.1 costs $15/M input tokens vs $2/M for Grok 3 Beta.
Per 1M tokens
Grok 3 Beta is cheaper on both — 7.5× input, 19× output
No community votes yet. On paper, Claude Opus 4.1 has the edge — newer, bigger context window.
Grok 3 Beta is 19x cheaper per token — worth considering if cost matters.
Style Comparison
Claude Opus 4.1 uses 38.4x more emoji
