Meterary
Start free

Google

Gemini 3.5 Flash API Pricing

Batch API is 50% of standard rate. Context caching adds $1.00/hour storage on top of the per-token caching rate shown.

Verified against Google’s pricing page on 2026-07-02.

View source ↗

Facts

Specs

  • FamilyGemini
  • API IDgemini-3.5-flash
  • ModalityMultimodal
  • Context window1M tokens
  • Max output65.5K tokens
  • Release dateNot published

Pricing (per 1M tokens)

  • Input$1.50 / 1M tokens
  • Output$9.00 / 1M tokens
  • Cached input$0.15 / 1M tokens
  • Cache write—
  • Batch discount50%

Capabilities

vision, tool-use, multimodal

Notes

Batch API is 50% of standard rate. Context caching adds $1.00/hour storage on top of the per-token caching rate shown.

Worked cost examples

Estimated monthly cost on three common usage shapes

WorkloadEst. monthly cost

Chatbot

800 input / 200 output tokens per request, 100,000 requests/month

$300.00

RAG pipeline

6,000 input / 700 output tokens per request, 30,000 requests/month

$459.00

Batch summarization

20,000 input / 1,500 output tokens per request, 5,000 requests/month

$217.50

Price history

Changes we have documented since we began tracking

No price changes recorded since we began tracking.

Gemini 3.5 Flash pricing FAQ

How much does Gemini 3.5 Flash cost per 1M tokens?
Gemini 3.5 Flash costs $1.50 per 1M input tokens and $9.00 per 1M output tokens.
How much does Gemini 3.5 Flash cost per request?
A typical request of 800 input and 200 output tokens costs about $0.003 on Gemini 3.5 Flash.
Is Gemini 3.5 Flash cheaper than Gemini 2.0 Flash?
Gemini 3.5 Flash is more expensive than Gemini 2.0 Flash on input tokens, by about 1400%.
Does Gemini 3.5 Flash have cache pricing?
Yes — cached input reads cost $0.15 per 1M tokens.

Keep exploring

Estimate my usage