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DeepSeek V3.1 vs Deepseek V4 Pro

DeepSeek V3.1 is cheaper on output tokens, while Deepseek V4 Pro offers a larger context window. Choose DeepSeek V3.1 or Deepseek V4 Pro based on the trade-off between cost, context, and the benchmarks that matter for your use case.

SpecDeepSeek V3.1Deepseek V4 Pro
ProviderBasetenBaseten
Input / 1M tokens$0.50$1.74
Output / 1M tokens$1.50$3.48
Context window164K262K
Parameters1.6T
Open weightsYesYes
ReleasedAug 2025Apr 2026

FAQ

Pricing is indicative — confirm with the provider before production use. Highlighted values indicate the better figure for that row.