Model comparison

DeepSeek-V4-Pro vs Gemini 3.8 Flash

Compare DeepSeek-V4-Pro (DeepSeek) and Gemini 3.8 Flash (Google) by price, context, capabilities, and latency.

Estimate costAll comparisons

Price deadline

Gemini Flash prices rise Jan 1, 2027

Per Google's published pricing page, Gemini Flash input prices double on Jan 1, 2027. The same workload runs an order of magnitude cheaper on DeepSeek and GLM. Source: Google pricing Full price breakdown

See cheaper alternatives

Budget control

Worried about runaway spend? Every API key supports a monthly hard cap.

Get your API key

Which should you pick?

  • Price: Gemini 3.8 Flash is cheaper ($0.75 / 1M tokens input / $3.75 / 1M tokens output) vs DeepSeek-V4-Pro ($1.65 / 1M tokens input / $3.31 / 1M tokens output).
  • Gemini 3.8 Flash adds: Vision.

Side by side

DeepSeek-V4-Pro vs Gemini 3.8 Flash — full comparison

Compare price, provider, context, capabilities, latency, and source basis.

ModelProviderInputOutputContextCapabilitiesBest forLatencyStatusSource
DeepSeek-V4-Prodeepseek/deepseek-v4-proDeepSeek$1.65 / 1M tokens$3.31 / 1M tokens1M
StreamingTool callingJSON modeLong context
Chinese Q&A, general chat2503-4012msCatalogPlatform curated
Gemini 3.8 Flashgoogle/gemini-3.8-flashGoogle$0.75 / 1M tokens$3.75 / 1M tokens1M
StreamingTool callingJSON modeVision
image understanding, multimodal chat1695-3603msCatalogPlatform curated

FAQ

DeepSeek-V4-Pro vs Gemini 3.8 Flash FAQ

Is DeepSeek-V4-Pro or Gemini 3.8 Flash cheaper?

Gemini 3.8 Flash is cheaper ($0.75 / 1M tokens input / $3.75 / 1M tokens output) vs DeepSeek-V4-Pro ($1.65 / 1M tokens input / $3.31 / 1M tokens output). Actual cost depends on your input/output token mix — estimate it with the pricing calculator.

Which has a larger context window, DeepSeek-V4-Pro or Gemini 3.8 Flash?

Both offer the same context window: 1M tokens.

DeepSeek-V4-Pro vs Gemini 3.8 Flash for Long context: which should I pick?

Both target Long context. Pick Gemini 3.8 Flash to optimize cost, or DeepSeek-V4-Pro for the longer context window. Test both on real prompts before committing production traffic.

DeepSeek-V4-Pro detailsGemini 3.8 Flash detailsPricing calculatorOpenAI-compatible quickstart

Related comparisons

Compare other models

DeepSeek-V4.1-Flash vs DeepSeek-V4-ProClaude Haiku 4.5 vs DeepSeek-V4-ProClaude Haiku 5.5 vs DeepSeek-V4-ProDeepSeek-V4-Pro vs Gemini 3.1 Flash-Lite