Claude 3.7 Sonnet vs DeepSeek V4 Pro
Compare Claude 3.7 Sonnet by Anthropic against DeepSeek V4 Pro by DeepSeek, context windows of 200K vs 1.0M, tested across 54 shared challenges. Updated April 2026.
Which is better, Claude 3.7 Sonnet or DeepSeek V4 Pro?
Claude 3.7 Sonnet and DeepSeek V4 Pro are both competitive models. Claude 3.7 Sonnet costs $3/M input tokens vs $1.74/M for DeepSeek V4 Pro. Context windows: 200K vs 1049K tokens. Compare their real outputs side by side below.
Key Differences Between Claude 3.7 Sonnet and DeepSeek V4 Pro
Claude 3.7 Sonnet is made by anthropic while DeepSeek V4 Pro is from deepseek. Claude 3.7 Sonnet has a 200K token context window compared to DeepSeek V4 Pro's 1049K. On pricing, Claude 3.7 Sonnet costs $3/M input tokens vs $1.74/M for DeepSeek V4 Pro.
Per 1M tokens
DeepSeek V4 Pro is cheaper on both — 1.7× input, 4.3× output
No community votes yet. On paper, DeepSeek V4 Pro has the edge — bigger model tier, newer, bigger context window.
DeepSeek V4 Pro is 4.3x cheaper per token — worth considering if cost matters.
Style Comparison
DeepSeek V4 Pro uses 3.5x more emoji
