Claude Sonnet 5 vs Grok 4

Claude Sonnet 5 is cheaper on input ($3.00 vs $5.00 per 1M tokens), Claude Sonnet 5 has the larger context window (400K).

SpecClaude Sonnet 5Grok 4
ProviderAnthropicxAI
ModalityText + VisionText + Vision
Context window400Kbest256K
Input / 1M$3.00best$5.00
Output / 1M$15.00$15.00
ReleasedFeb 2026Dec 2025
Best forChat / Assistant, Code generation, Image / VisionChat / Assistant, Code generation, Image / Vision

FAQ

Is Claude Sonnet 5 cheaper than Grok 4?
Claude Sonnet 5 is cheaper, at $3.00 per 1M input tokens versus $5.00.
Which has the larger context window, Claude Sonnet 5 or Grok 4?
Claude Sonnet 5 has the larger context window at 400K tokens.

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