DeepSeek V3 (March 2024) vs OpenAI o3
Compare DeepSeek V3 (March 2024) by DeepSeek against OpenAI o3 by OpenAI, tested across 53 shared challenges. Updated May 2026.
Which is better, DeepSeek V3 (March 2024) or OpenAI o3?
DeepSeek V3 (March 2024) and OpenAI o3 are both competitive models. DeepSeek V3 (March 2024) costs $0.14/M input tokens vs $10/M for OpenAI o3. Compare their real outputs side by side below.
Key Differences Between DeepSeek V3 (March 2024) and OpenAI o3
DeepSeek V3 (March 2024) is made by deepseek while OpenAI o3 is from openai. On pricing, DeepSeek V3 (March 2024) costs $0.14/M input tokens vs $10/M for OpenAI o3.
Per 1M tokens
DeepSeek V3 (March 2024) is cheaper on both — 71× input, 143× output
No community votes yet. On paper, these are closely matched - try both with your actual task to see which fits your workflow.
DeepSeek V3 (March 2024) is 143x cheaper per token — worth considering if cost matters.
Style Comparison
DeepSeek V3 (March 2024) uses 25.6x more emoji
