Claude Sonnet 4.5 vs Grok 4: pricing, specs & reviews compared

Side-by-side comparison of Claude Sonnet 4.5 (anthropic) and Grok 4 (xai) — pricing per million tokens, context length, licensing, benchmarks and community reviews on Reviuws.

SpecClaude Sonnet 4.5Grok 4
Provideranthropicxai
Licenseclosedclosed
Parameters
Context200k256k
Input price / M tok$3$3
Output price / M tok$15$12
Rating0.0 (0)0.0 (0)