Model comparison

Gemini 3.1 Flash-Lite vs Gemini 3.5 Flash

Compare Gemini 3.1 Flash-Lite (Google) and Gemini 3.5 Flash (Google) by price, context, capabilities, and latency.

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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

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Which should you pick?

  • Price: Gemini 3.1 Flash-Lite is cheaper ($0.25 / 1M tokens input / $1.50 / 1M tokens output) vs Gemini 3.5 Flash ($1.50 / 1M tokens input / $9 / 1M tokens output).

Side by side

Gemini 3.1 Flash-Lite vs Gemini 3.5 Flash — full comparison

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

ModelProviderInputOutputContextCapabilitiesBest forLatencyStatusSource
Gemini 3.1 Flash-Litegoogle/gemini-3.1-flash-liteGoogle$0.25 / 1M tokens$1.50 / 1M tokens1M
StreamingTool callingJSON modeVision
image understanding, multimodal chat936-1952msCatalogPlatform curated
Gemini 3.5 Flashgoogle/gemini-3.5-flashGoogle$1.50 / 1M tokens$9 / 1M tokens1M
StreamingTool callingJSON modeVision
image understanding, multimodal chat0-0msCatalogPlatform curated

FAQ

Gemini 3.1 Flash-Lite vs Gemini 3.5 Flash FAQ

Is Gemini 3.1 Flash-Lite or Gemini 3.5 Flash cheaper?

Gemini 3.1 Flash-Lite is cheaper ($0.25 / 1M tokens input / $1.50 / 1M tokens output) vs Gemini 3.5 Flash ($1.50 / 1M tokens input / $9 / 1M tokens output). Actual cost depends on your input/output token mix — estimate it with the pricing calculator.

Which has a larger context window, Gemini 3.1 Flash-Lite or Gemini 3.5 Flash?

Both offer the same context window: 1M tokens.

Gemini 3.1 Flash-Lite vs Gemini 3.5 Flash for Vision: which should I pick?

Both target Vision. Pick Gemini 3.1 Flash-Lite to optimize cost, or Gemini 3.1 Flash-Lite for the longer context window. Test both on real prompts before committing production traffic.

Gemini 3.1 Flash-Lite detailsGemini 3.5 Flash detailsPricing calculatorOpenAI-compatible quickstart

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