Gemini API Cost Calculator

Google Gemini API Cost Calculator

Calculate costs for all Gemini models including Gemini 3.1 Pro Preview, Gemini 3.5 Flash, Gemini 3.1 Flash-Lite, Gemini 3 Flash Preview, Gemini 2.5 Pro, Gemini 2.5 Flash, and more

Token Cost Calculator

Enter your estimated token usage to calculate costs

Latest Pro model with improved reasoning and 1M token context

≈ 750 words

≈ 7500 words

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Real-time Calculation

Instant cost estimates for your API usage

All Models Supported

From Flash to Pro models

Advanced Features

Long context and caching support

Current Gemini API Pricing

Latest Google Gemini model prices per million tokens

Gemini 3.1 Pro Preview

Input: $2.00/1M (≤200k), $4.00/1M (>200k)

Output: $12.00/1M (≤200k), $18.00/1M (>200k)

Cache: $0.20/1M (≤200k), $0.400/1M (>200k)

Gemini 3.5 Flash

Input: $1.500/1M tokens (text)

Output: $9.000/1M tokens

Free tier available (1000 queries/day)

Gemini 3.1 Flash-Lite

Input: $0.250/1M tokens (text)

Audio Input: $0.500/1M tokens

Output: $1.500/1M tokens

Free tier available (1000 queries/day)

Gemini 3 Flash Preview

Input: $0.500/1M tokens (text)

Audio Input: $1.000/1M tokens

Output: $3.000/1M tokens

Free tier available (1000 queries/day)

Gemini 2.5 Pro

Input: $1.25/1M (≤200k), $2.50/1M (>200k)

Output: $10.00/1M (≤200k), $15.00/1M (>200k)

Cache: $0.13/1M (≤200k), $0.250/1M (>200k)

Free tier available (1000 queries/day)

Gemini 2.5 Flash

Input: $0.300/1M tokens (text)

Audio Input: $1.000/1M tokens

Output: $2.500/1M tokens

Free tier available (1000 queries/day)

Gemini 2.5 Flash-Lite

Input: $0.100/1M tokens (text)

Audio Input: $0.300/1M tokens

Output: $0.400/1M tokens

Free tier available (1000 queries/day)

Gemini 2.0 Flash

Input: $0.100/1M tokens (text)

Audio Input: $0.700/1M tokens

Output: $0.400/1M tokens

Free tier available (1000 queries/day)

Gemini 2.0 Flash-Lite

Input: $0.075/1M tokens (text)

Output: $0.300/1M tokens

Free tier available (1000 queries/day)

Gemini 3 Pro Preview

Input: $2.00/1M (≤200k), $4.00/1M (>200k)

Output: $12.00/1M (≤200k), $18.00/1M (>200k)

Cache: $0.20/1M (≤200k), $0.400/1M (>200k)

Gemini API Price Calculator: Token Cost Estimation Tool

Our comprehensive Gemini token calculator helps you estimate costs for all Google Gemini models. Whether you're using Gemini 3.1 Pro Preview for the latest reasoning capabilities, Gemini 3.5 Flash for fast frontier intelligence, Gemini 3.1 Flash-Lite for high-volume tasks, Gemini 3 Flash Preview for next-gen performance, Gemini 2.5 Pro for coding and complex tasks, or Gemini 2.5 Flash-Lite for budget-friendly workloads, calculate your API costs instantly.

Latest Models

  • • Gemini 3.1 Pro Preview: Latest Pro with improved reasoning
  • • Gemini 3.5 Flash: Fast frontier intelligence ($1.50/$9.00)
  • • Gemini 3.1 Flash-Lite: Most cost-efficient for high volume
  • • Gemini 3 Flash Preview: Fast next-gen model with audio support
  • • Gemini 2.5 Pro: Excels at coding and complex reasoning
  • • Gemini 2.5 Flash: First hybrid reasoning model
  • • Gemini 2.5 Flash-Lite: Most cost-effective active option

Key Features

  • • Token cost calculation for text and audio
  • • Tiered pricing for long contexts (>200k tokens)
  • • Context caching cost estimation
  • • 50% batch API discount available
  • • Free tier on most models

How It Works

Calculate your Gemini API costs in three simple steps:

1

Select Model

Choose from Gemini 3.1 Pro, 3 Pro, 3 Flash, 2.5 Pro, 2.5 Flash, and more

2

Configure Options

Set input type and context preferences

3

Enter Tokens

Specify input and output token amounts

Pro Tips

  • • Enable context caching for up to 90% savings on repeated inputs
  • • Use Batch API for 50% off on non-time-sensitive workloads
  • • Keep prompts under 200k tokens to avoid higher tiered rates
  • • Free tier available on most models (up to 1,000 requests/day)

Model Comparison & Use Cases

Compare Google Gemini models to find the perfect balance of features and cost.

ModelBest ForFeaturesPrice Range
Gemini 3.1 Pro PreviewLatest reasoning & multimodal1M context, tiered pricing, best quality$2.00–$4.00 / $12.00–$18.00
Gemini 3.5 FlashFast frontier intelligenceCaching, free tier$1.50 / $9.00
Gemini 3.1 Flash-LiteHigh-volume agentic tasksAudio support, free tier$0.25 / $1.50
Gemini 3 Flash PreviewFast next-gen tasksAudio support, free tier, caching$0.50 / $3.00
Gemini 2.5 ProCoding & complex reasoningTiered pricing, long context, batch API$1.25–$2.50 / $10.00–$15.00
Gemini 2.5 FlashGeneral use, hybrid reasoning1M context, audio support, free tier$0.30 / $2.50
Gemini 2.5 Flash-LiteBudget-friendly, simple tasksLowest cost, audio support, free tier$0.10 / $0.40
Gemini 2.0 FlashDeprecated (shut down June 2026)Migrate to 2.5 or 3.x models$0.10 / $0.40
Gemini 2.0 Flash-LiteDeprecated (shut down June 2026)Migrate to 3.1 Flash-Lite$0.075 / $0.30

Cost Optimization Tips

Maximize your Gemini API usage while minimizing costs:

Input Optimization

  • • Use context caching to save up to 90% on repeated prompts
  • • Use Batch API for 50% discount on non-urgent workloads
  • • Keep prompts under 200k tokens for lower tiered pricing
  • • Optimize prompt length to reduce token usage

Model Selection

  • • Start with Gemini 3.1 Flash-Lite ($0.25/1M input)
  • • Use Gemini 2.5 Flash-Lite ($0.10/1M) for simple tasks
  • • Utilize free tier on most models
  • • Escalate to Pro models only for complex tasks

Pricing Updates & Information

Stay informed about Google Gemini API pricing and model updates.

Gemini API prices are subject to change. While we maintain current rates for all models in our calculator, always verify the latest pricing on Google's official website.