Gemini · Fast / Budget · 1,000K context window

Gemini 3.5 Flash pricing for email summarization

$0.009000 per call at 3,000 input / 500 output tokens.

Per call

$0.009000

10K calls/mo

$90

Cache savings

75% off input

Batch savings

50% off all

Calculate your Gemini 3.5 Flash costs

Adjust token counts, volume, and discount toggles to model your email summarization spend. Pricing updated weekly.

Configure your usage

3,000
100100K
500
5050K
10,000
1001M

Estimated cost

Monthly cost
$90
10,000 calls/month
Cost per call$0.009000
Daily cost$3
Input rate$1.50/MTok
Output rate$9.00/MTok
Analyze your real spend

Quick start

Call Gemini 3.5 Flash with the Google Generative AI SDK:

import google.generativeai as genai

model = genai.GenerativeModel("gemini-3.5-flash")
response = model.generate_content("Your prompt here")
# Cost: ~$0.009000 per call at standard rates
# Input:  $1.50/MTok
# Output: $9.00/MTok

How Gemini 3.5 Flash compares on cost

Per-call cost for all models scoring 50+ on email summarization benchmarks. Hover for details.

Cheapest viable option: Gemini 3 Flash at $0.003000/call (67% less, 83/100 quality).

Complete Gemini 3.5 Flash pricing breakdown

Standard token rates

Direction$/MTokTokens per call
Input$1.503,000
Output$9.00500

Prompt caching: 75% off input tokens

Caching drops input cost from $1.50 to $0.38/MTok. For repeated system prompts, that saves $0.003375 per call.

Batch API: 50% off all tokens

Submit requests asynchronously and receive 50% off all token costs. This works best for offline pipelines where latency requirements are flexible.

Monthly cost projections

Monthly volumeCost per callStandard monthlyCached monthlyYou save with caching
10,000 calls$0.009000$90$56.25$33.75
50,000 calls$0.009000$450$281.25$168.75
100,000 calls$0.009000$900$562.5$337.5
500,000 calls$0.009000$4,500$2,812.5$1,687.5
1,000,000 calls$0.009000$9,000$5,625$3,375

Gemini 3.5 Flash quality benchmarks for email summarization

Gemini 3.5 Flash is a solid pick for email summarization

Scores 85/100 (rank #3 of 14). Good balance of quality and cost for email summarization.

Top-ranked: GPT 5.6 Terra (92/100) at $0.0150/call

Performance across all task types

Gemini 3.5 Flash scores by task type. Email Summarization highlighted.

Classification92Extraction90Summarization *85Q&A84Code Generation68Code Review65Reasoning60Creative Writing55
Task typeConfidence scoreRank out of 14
Classification92/100#1
Extraction90/100#1
Summarization(current page)85/100#3
Q&A84/100#5
Code Generation68/100#7
Code Review65/100#6
Reasoning60/100#6
Creative Writing55/100#6

Alternative models for email summarization

12 models score 80+ on email summarization benchmarks, sorted by input rate. Cheapest: Gemini 3 Flash (67% less, 83/100 quality).

ModelProviderInput $/MTokOutput $/MTokQualityPer callvs Gemini
Gemini 3 FlashGemini$0.50$3.0083/100$0.00300067% cheaper
Claude Haiku 4.5Claude$1.00$5.0082/100$0.00550039% cheaper
GPT 5.6 LunaGPT$1.00$6.0084/100$0.00600033% cheaper
Claude Sonnet 5Claude$2.00$10.0091/100$0.011022% more
Gemini 3.1 ProGemini$2.00$12.0087/100$0.012033% more
GPT 5.4GPT$2.50$15.0091/100$0.015067% more
GPT 5.6 TerraGPT$2.50$15.0092/100$0.015067% more
Claude Sonnet 4.6Claude$3.00$15.0090/100$0.016583% more
Claude Opus 4.8Claude$5.00$25.0088/100$0.0275206% more
GPT 5.5GPT$5.00$30.0089/100$0.0300233% more
GPT 5.6 SolGPT$5.00$30.0090/100$0.0300233% more
Claude Fable 5Claude$10.00$50.0090/100$0.0550511% more

About Gemini 3.5 Flash

Provider

Gemini

Tier

Fast / Budget

Context

1,000K tokens

Released

May 2026

Other models from Gemini

ModelTierInput $/MTokOutput $/MTokContext
Gemini 3.1 ProMid-tier$2.00$12.001,000K
Gemini 3 FlashFast / Budget$0.50$3.001,000K
Gemini 3.5 Flash-LiteFast / Budget$0.25$1.501,000K

You can compare Gemini 3.5 Flash head-to-head against any other model on our model comparison pages, or track how pricing has changed over time on the pricing history tracker.

Frequently asked questions

How much does Gemini 3.5 Flash cost for email summarization per API call?

$0.009000 per call at 3,000 input / 500 output tokens.

Is Gemini 3.5 Flash the best model for email summarization?

Scores 85/100, rank #3 of 14 models. Top-ranked: GPT 5.6 Terra at 92/100.

What is the cheapest model for email summarization with good quality?

Gemini 3 Flash scores 83/100 quality at $0.50/$3.00 per MTok. That is 67% less than Gemini 3.5 Flash per call.

How can I reduce my Gemini 3.5 Flash costs for email summarization?

Three strategies: prompt caching (75% off input), batch API (50% off all tokens), prompt optimization. Combined: $0.009000 drops to about $0.001125 per call.

How does Gemini 3.5 Flash pricing compare to other Gemini models?

Gemini also offers: Gemini 3.1 Pro at $2.00/$12.00, Gemini 3 Flash at $0.50/$3.00, Gemini 3.5 Flash-Lite at $0.25/$1.50.

What context window does Gemini 3.5 Flash support?

1,000K tokens total. Typical email summarization calls use 3,000 plus 500 tokens, well within limits.

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This calculator estimates costs based on published rates only. Connect your API usage to see where your money goes and which models drive your spend.