DeepSeek V3 vs Grok 4.5
Original DeepSeek V3 — the model that put DeepSeek on the map.
xAI's Opus-class flagship for frontier coding, agentic tool use, and knowledge work.
No captured outputs for these models yet.
Frequently Asked Questions: DeepSeek V3 vs Grok 4.5▼
Which is better, DeepSeek V3 or Grok 4.5?
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Based on the Capability Index, Grok 4.5 scores higher (88.5 vs 78.7). However, "better" depends on your use case — pricing, speed, context window, and specific capability needs all matter.
Which is cheaper, DeepSeek V3 or Grok 4.5?
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DeepSeek V3 has a lower blended cost. DeepSeek V3: $0.20 input / $0.80 output. Grok 4.5: $2.00 input / $6.00 output.
Which has a larger context window, DeepSeek V3 or Grok 4.5?
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Grok 4.5 has a larger context window: DeepSeek V3 supports 128K tokens vs Grok 4.5 at 500K tokens.
Do both DeepSeek V3 and Grok 4.5 support vision?
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Grok 4.5 supports vision/image input, but DeepSeek V3 does not.
What are the key differences between DeepSeek V3 and Grok 4.5?
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Key differences: Grok 4.5 has a notably higher capability index (9.8 point gap); DeepSeek V3 is significantly cheaper; only Grok 4.5 supports vision input; only Grok 4.5 offers extended reasoning mode. 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 V3 and Grok 4.5 for free on idapt.app to see which performs better for your specific needs.