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DeepSeek V4 Pro vs Gemini 3.5 Flash

DeepSeek V4 Pro is cheaper on output tokens, while Gemini 3.5 Flash offers a larger context window. Choose DeepSeek V4 Pro or Gemini 3.5 Flash based on the trade-off between cost, context, and the benchmarks that matter for your use case.

SpecDeepSeek V4 ProGemini 3.5 Flash
ProviderAbacusAbacus
Input / 1M tokens$1.74$1.50
Output / 1M tokens$3.48$9.00
Context window1M1M
Parameters——
Open weightsYesNo
ReleasedApr 2026May 2026

FAQ

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