DeepSeek V4 Pro vs GPT-4o (Omni)
Compare DeepSeek V4 Pro by DeepSeek against GPT-4o (Omni) by OpenAI, context windows of 1.0M vs 128K, tested across 53 shared challenges. Updated April 2026.
Which is better, DeepSeek V4 Pro or GPT-4o (Omni)?
DeepSeek V4 Pro and GPT-4o (Omni) are both competitive models. DeepSeek V4 Pro costs $1.74/M input tokens vs $2.5/M for GPT-4o (Omni). Context windows: 1049K vs 128K tokens. Compare their real outputs side by side below.
Key Differences Between DeepSeek V4 Pro and GPT-4o (Omni)
DeepSeek V4 Pro is made by deepseek while GPT-4o (Omni) is from openai. DeepSeek V4 Pro has a 1049K token context window compared to GPT-4o (Omni)'s 128K. On pricing, DeepSeek V4 Pro costs $1.74/M input tokens vs $2.5/M for GPT-4o (Omni).
Per 1M tokens
DeepSeek V4 Pro is cheaper on both — 1.4× input, 2.9× output
No community votes yet. On paper, DeepSeek V4 Pro has the edge — newer, bigger context window.
Style Comparison
GPT-4o (Omni) uses 3.1x more headings
