DeepSeek V4 Pro vs o3
Open-source 1.6T-parameter MoE with 49B active, built for advanced reasoning and long-horizon agents.
OpenAI's most powerful reasoning model — top across math, coding, and science.
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Frequently Asked Questions: DeepSeek V4 Pro vs o3▼
Which is better, DeepSeek V4 Pro or o3?
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Based on the Capability Index, DeepSeek V4 Pro scores higher (81.6 vs 79.2). However, "better" depends on your use case — pricing, speed, context window, and specific capability needs all matter.
Which is cheaper, DeepSeek V4 Pro or o3?
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DeepSeek V4 Pro has a lower blended cost. DeepSeek V4 Pro: $0.43 input / $0.87 output. o3: $2.00 input / $8.00 output.
Which has a larger context window, DeepSeek V4 Pro or o3?
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DeepSeek V4 Pro has a larger context window: DeepSeek V4 Pro supports 1M tokens vs o3 at 200K tokens.
Do both DeepSeek V4 Pro and o3 support vision?
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o3 supports vision/image input, but DeepSeek V4 Pro does not.
Which has better coding performance, DeepSeek V4 Pro or o3?
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DeepSeek V4 Pro scores higher on SWE-bench Verified: DeepSeek V4 Pro resolves 78% vs o3 at 62%.
What are the key differences between DeepSeek V4 Pro and o3?
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Key differences: DeepSeek V4 Pro is significantly cheaper; only o3 supports vision input. Compare full specs on this page.
Which model should I choose for my use case?
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If cost is your priority, choose the cheaper option. If you need the highest intelligence for complex tasks, pick the higher-scoring model. For long documents or codebases, choose the larger context window. You can try both DeepSeek V4 Pro and o3 for free on idapt.app to see which performs better for your specific needs.