OpenAI o4 Mini High vs DeepSeek Prover V2

Compare OpenAI o4 Mini High by OpenAI against DeepSeek Prover V2 by DeepSeek, context windows of 200K vs 164K, tested across 6 shared challenges. Updated March 2026.

Which is better, OpenAI o4 Mini High or DeepSeek Prover V2?

OpenAI o4 Mini High and DeepSeek Prover V2 are both competitive models. OpenAI o4 Mini High costs $1.1/M input tokens vs $0/M for DeepSeek Prover V2. Context windows: 200K vs 164K tokens. Compare their real outputs side by side below.

Key Differences Between OpenAI o4 Mini High and DeepSeek Prover V2

OpenAI o4 Mini High is made by openai while DeepSeek Prover V2 is from deepseek. OpenAI o4 Mini High has a 200K token context window compared to DeepSeek Prover V2's 164K. On pricing, OpenAI o4 Mini High costs $1.1/M input tokens vs $0/M for DeepSeek Prover V2.

Our Verdict
DeepSeek Prover V2
DeepSeek Prover V2
OpenAI o4 Mini High
OpenAI o4 Mini HighRunner-up

No community votes yet. On paper, DeepSeek Prover V2 has the edge — bigger model tier.

Too close to call
FAQ

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