How much cheaper is DeepSeek V4 Flash than Gemini 3.1 Flash-Lite?

DeepSeek V4 Flash costs $0.22/$0.66 per 1M tokens while Gemini 3.1 Flash-Lite costs $0.25/$1.50. That's 44% cheaper on input and 81% cheaper on output.

Which model has a larger context window?

Both models have 1M token context windows. They're equal in context capacity.

Is DeepSeek V4 Flash or Gemini 3.1 Flash-Lite better quality?

Quality depends on the task. DeepSeek is cheapest; Gemini may produce higher quality for complex reasoning.

When should I choose Gemini over DeepSeek?

Choose Gemini for Google ecosystem integration or higher quality on complex tasks. Choose DeepSeek for 44-81% cost savings.

Is DeepSeek V4 Flash still available?

DeepSeek V4 Flash was retired in September 2026. The legacy deepseek-v4-flash model name still accepts requests, but they are served by DeepSeek-V4.1-Flash and billed at its current Flash rates ($0.15 input / $0.60 output per 1M tokens off-peak, $0.30/$1.20 peak). The $0.22/$0.66 figures shown on this page are V4 Flash's pre-retirement prices, kept as a labeled historical comparison baseline.

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Gemini 3.1 Flash-Lite vs DeepSeek V4 Flash

Compare pricing, context windows, and features side by side.

Last verified Aug 2026 · Prices per 1M tokens

Update (Oct 2, 2026): DeepSeek V4 Flash is retired. The legacy deepseek-v4-flash name still works, but requests are served by DeepSeek-V4.1-Flash and billed at $0.15/$0.60 off-peak — below the $0.22/$0.66 historical baseline used in this comparison. See the DeepSeek pricing guide for current numbers.

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Gemini 3.1 Flash-Lite vs DeepSeek V4 Flash

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