Gemini 3.1 Flash Lite vs Gemini 2.5 Flash API Price Comparison

Prices updated: ·61 quotes

As of : At official rates, Gemini 3.1 Flash Lite is $0.2500/1M input tokens and Gemini 2.5 Flash is $0.3000 — Gemini 3.1 Flash Lite is ~17% cheaper than Gemini 2.5 Flash. Via relay providers, the lowest Gemini 3.1 Flash Lite rate is $0.0149 (RunAPI) and Gemini 2.5 Flash is $0.0062 (TreeRouter). Context windows: Gemini 3.1 Flash Lite 1000K, Gemini 2.5 Flash 1000K. Gemini 3.1 Flash Lite and Gemini 2.5 Flash support image input. 61 provider quotes tracked (Gemini 3.1 Flash Lite: 11, Gemini 2.5 Flash: 50), updated daily.
Gemini 3.1 Flash LiteBudget
Official
$0.2500
/ 1M tokens
Best Price
$0.0149
/ 1M tokens
11 providers · 1000K Context · 👁 Vision
Gemini 2.5 FlashBudget
Official
$0.3000
/ 1M tokens
Best Price
$0.0062
/ 1M tokens
50 providers · 1000K Context · 👁 Vision
At official prices, Gemini 3.1 Flash Lite is ~17% cheaper. At the best relay price, Gemini 2.5 Flash is ~58% cheaper.

Price Comparison

Gemini 3.1 Flash LiteGemini 2.5 Flash
Official input / 1M tokens$0.2500$0.3000
Official output / 1M tokens$1.5000$2.5000
Cheapest input / 1M tokens$0.0149$0.0062
Cheapest output / 1M tokens$0.0894$0.0552
providers1150
Context1000K1000K
Vision

Gemini 3.1 Flash Lite — All Providers

Detail page →
ProviderInput / 1MAPI
Official
Google AIOfficial🌐VisaMCGCP👁Live
$0.2500
Try →
Google Vertex AIOfficial🌐VisaMCGCPManual
$0.2500
Try →
Relay / Aggregator
RunAPIRelayLowest🇨🇳支付宝微信Live
$0.0149
Try →
ProAI APIRelay🇨🇳支付宝微信Live
$0.0276
Try →
PoloAPIRelay🇨🇳支付宝微信Live
$0.0345
Try →
LaoZhang APIRelay🇨🇳支付宝微信Live
$0.0345
Try →
UiUiAPIRelay🇨🇳支付宝微信VisaMCLive
$0.1034
Try →
CrazyRouterRelay🌐Live
$0.1375
Try →

Gemini 2.5 Flash — All Providers

Detail page →
ProviderInput / 1MAPI
Official
Google Vertex AIOfficial🌐VisaMCGCP👁Manual
$0.3000
Try →
Google AIOfficial🌐VisaMCGCP👁Live
$0.3000
Try →
Relay / Aggregator
TreeRouterRelayLowest🇨🇳支付宝微信⚠️ Unusually lowLive
$0.0062
Try →
PoloAPIRelay🇨🇳支付宝微信⚠️ Unusually lowLive
$0.0138
Try →
UiUiAPIRelay🇨🇳支付宝微信VisaMC⚠️ Unusually lowLive
$0.0138
Try →
RunAPIRelay🇨🇳支付宝微信Live
$0.0177
Try →
PackyCodeRelay🇨🇳支付宝微信Live
$0.0414
Try →
EasyRouterRelay🇨🇳支付宝微信Live
$0.0414
Try →

Frequently Asked Questions

Which is cheaper, Gemini 3.1 Flash Lite or Gemini 2.5 Flash?

At official price, Gemini 3.1 Flash Lite is cheaper by ~17%. At the best relay price, Gemini 2.5 Flash with a ~58% difference.

What context window do Gemini 3.1 Flash Lite and Gemini 2.5 Flash support?

Gemini 3.1 Flash Lite has a 1000K token context window; Gemini 2.5 Flash has 1000K tokens.

Do Gemini 3.1 Flash Lite and Gemini 2.5 Flash support image input?

Gemini 3.1 Flash Lite supports image input; Gemini 2.5 Flash supports image input.

What is the cheapest way to access Gemini 3.1 Flash Lite or Gemini 2.5 Flash?

Gemini 3.1 Flash Lite's lowest input price is $0.0149/1M tokens (RunAPI). Gemini 2.5 Flash's is $0.0062/1M tokens (TreeRouter). Relay providers typically offer lower prices with different SLA terms.

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Related

Gemini 3.1 Flash Lite API PricesGemini 2.5 Flash API PricesAll Language Model APIs
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