Claude Opus 4 vs DeepSeek V3 (March 2024)
Compare Claude Opus 4 by Anthropic against DeepSeek V3 (March 2024) by DeepSeek, context windows of 200K vs 128K, tested across 53 shared challenges. Updated May 2026.
Which is better, Claude Opus 4 or DeepSeek V3 (March 2024)?
Claude Opus 4 and DeepSeek V3 (March 2024) are both competitive models. Claude Opus 4 costs $15/M input tokens vs $0.14/M for DeepSeek V3 (March 2024). Context windows: 200K vs 128K tokens. Compare their real outputs side by side below.
Key Differences Between Claude Opus 4 and DeepSeek V3 (March 2024)
Claude Opus 4 is made by anthropic while DeepSeek V3 (March 2024) is from deepseek. Claude Opus 4 has a 200K token context window compared to DeepSeek V3 (March 2024)'s 128K. On pricing, Claude Opus 4 costs $15/M input tokens vs $0.14/M for DeepSeek V3 (March 2024).
Per 1M tokens
DeepSeek V3 (March 2024) is cheaper on both — 107× input, 268× output
No community votes yet. On paper, Claude Opus 4 has the edge — newer, bigger context window.
DeepSeek V3 (March 2024) is 268x cheaper per token — worth considering if cost matters.
Style Comparison
Claude Opus 4 uses 3.5x more transitions
