OpenAI o4-mini vs DeepSeek V3 (March 2024)

Compare OpenAI o4-mini by OpenAI against DeepSeek V3 (March 2024) by DeepSeek, tested across 23 shared challenges. Updated March 2026.

Which is better, OpenAI o4-mini or DeepSeek V3 (March 2024)?

OpenAI o4-mini and DeepSeek V3 (March 2024) are both competitive models. OpenAI o4-mini costs $1.1/M input tokens vs $0.14/M for DeepSeek V3 (March 2024). Compare their real outputs side by side below.

Key Differences Between OpenAI o4-mini and DeepSeek V3 (March 2024)

OpenAI o4-mini is made by openai while DeepSeek V3 (March 2024) is from deepseek. On pricing, OpenAI o4-mini costs $1.1/M input tokens vs $0.14/M for DeepSeek V3 (March 2024).

Our Verdict
OpenAI o4-mini
OpenAI o4-mini
DeepSeek V3 (March 2024)
DeepSeek V3 (March 2024)

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 16x cheaper per token — worth considering if cost matters.

Too close to call
vs

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OpenAI o4-miniDeepSeek V3 (March 2024)
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