DeepSeek V4 Flash vs Gemini 3.1 Flash-Lite

Side by side pricing and context for DeepSeek V4 Flash and Gemini 3.1 Flash-Lite. Rates are curated catalog values with last verified dates on each model page.

DeepSeek V4 Flash

Very low-cost DeepSeek model for bulk generation and experimentation. Aggressive pricing. Treat TokenCALC counts as Approx and validate on invoices.

Input $0.140 / Output $0.280 per 1M

Context 1M · Approx

Gemini 3.1 Flash-Lite

Lite Gemini 3.x tier for the lowest Google Flash-class spend. Best for high-volume, low-stakes text tasks.

Input $0.250 / Output $1.50 per 1M

Context 1M · Approx (Gemini family)


Quick take

  • DeepSeek V4 Flash is cheaper on input in this catalog snapshot.
  • DeepSeek V4 Flash is cheaper on output in this catalog snapshot.
  • Both last verified on their model pages (2026-08-02 / 2026-08-02).

Rate table

MetricDeepSeek V4 FlashGemini 3.1 Flash-Lite
Input / 1M$0.140$0.250
Output / 1M$0.280$1.50
Cached input / 1M$0.0028$0.025
Context1M1M
TokenizerApproxApprox (Gemini family)