DeepSeek Prover V2 vs GPT-4o (Omni)

Compare DeepSeek Prover V2 by DeepSeek against GPT-4o (Omni) by OpenAI, context windows of 164K vs 128K, tested across 6 shared challenges. Updated March 2026.

Which is better, DeepSeek Prover V2 or GPT-4o (Omni)?

DeepSeek Prover V2 and GPT-4o (Omni) are both competitive models. DeepSeek Prover V2 costs $0/M input tokens vs $2.5/M for GPT-4o (Omni). Context windows: 164K vs 128K tokens. Compare their real outputs side by side below.

Key Differences Between DeepSeek Prover V2 and GPT-4o (Omni)

DeepSeek Prover V2 is made by deepseek while GPT-4o (Omni) is from openai. DeepSeek Prover V2 has a 164K token context window compared to GPT-4o (Omni)'s 128K. On pricing, DeepSeek Prover V2 costs $0/M input tokens vs $2.5/M for GPT-4o (Omni).

Our Verdict
DeepSeek Prover V2
DeepSeek Prover V2
GPT-4o (Omni)
GPT-4o (Omni)

No community votes yet. On paper, these are closely matched - try both with your actual task to see which fits your workflow.

Too close to call
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DeepSeek Prover V2GPT-4o (Omni)
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