DeepSeek V4 Pro vs GPT-5
Compare DeepSeek V4 Pro by DeepSeek against GPT-5 by OpenAI, context windows of 1.0M vs 400K, tested across 51 shared challenges. Updated April 2026.
Which is better, DeepSeek V4 Pro or GPT-5?
DeepSeek V4 Pro and GPT-5 are both competitive models. DeepSeek V4 Pro costs $1.74/M input tokens vs $1.25/M for GPT-5. Context windows: 1049K vs 400K tokens. Compare their real outputs side by side below.
Key Differences Between DeepSeek V4 Pro and GPT-5
DeepSeek V4 Pro is made by deepseek while GPT-5 is from openai. DeepSeek V4 Pro has a 1049K token context window compared to GPT-5's 400K. On pricing, DeepSeek V4 Pro costs $1.74/M input tokens vs $1.25/M for GPT-5.
Per 1M tokens
GPT-5 wins input (1.4× cheaper)·DeepSeek V4 Pro wins output (2.9× cheaper)
No community votes yet. On paper, DeepSeek V4 Pro has the edge — newer, bigger context window.
Style Comparison
DeepSeek V4 Pro uses 3.5x more emoji
