DeepSeek V4 Pro vs Claude Sonnet 4
Open-source 1.6T-parameter MoE with 49B active, built for advanced reasoning and long-horizon agents.
Significantly enhanced over Sonnet 3.7 in coding and reasoning tasks.
No captured outputs for these models yet.
Frequently Asked Questions: DeepSeek V4 Pro vs Claude Sonnet 4▼
Which is better, DeepSeek V4 Pro or Claude Sonnet 4?
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Based on the Capability Index, DeepSeek V4 Pro scores higher (81.6 vs 74.7). However, "better" depends on your use case — pricing, speed, context window, and specific capability needs all matter.
Which is cheaper, DeepSeek V4 Pro or Claude Sonnet 4?
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DeepSeek V4 Pro has a lower blended cost. DeepSeek V4 Pro: $0.43 input / $0.87 output. Claude Sonnet 4: $3.00 input / $15.00 output.
Which has a larger context window, DeepSeek V4 Pro or Claude Sonnet 4?
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DeepSeek V4 Pro has a larger context window: DeepSeek V4 Pro supports 1M tokens vs Claude Sonnet 4 at 1M tokens.
Do both DeepSeek V4 Pro and Claude Sonnet 4 support vision?
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Claude Sonnet 4 supports vision/image input, but DeepSeek V4 Pro does not.
What are the key differences between DeepSeek V4 Pro and Claude Sonnet 4?
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Key differences: DeepSeek V4 Pro has a notably higher capability index (6.9 point gap); DeepSeek V4 Pro is significantly cheaper; only Claude Sonnet 4 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 Claude Sonnet 4 for free on idapt.app to see which performs better for your specific needs.