OpenAI Cost Calculator

OpenAI API Pricing Calculator

Estimate costs for OpenAI's newest models including GPT-4.5, O1, O3-mini, GPT-4O, and more with our interactive calculator

Token Cost Calculator

Enter your estimated token usage to calculate costs

Input: $10.00/1M tokens
Output: $40.00/1M tokens

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≈ 7500 words

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Real-time Calculation

Instant cost estimates for your API usage

All Models Supported

From GPT-4o-mini to o3 and beyond

Smart Estimates

Detailed breakdown of all costs

Current OpenAI API Pricing

Latest pricing information per million tokens for each model

OpenAI - o3

Input: $10.00 / 1M tokens

Output: $40.00 / 1M tokens

OpenAI - o4-mini

Input: $1.10 / 1M tokens

Output: $4.40 / 1M tokens

OpenAI - GPT-4.1

Input: $2.00 / 1M tokens

Output: $8.00 / 1M tokens

OpenAI - GPT-4.1 mini

Input: $0.40 / 1M tokens

Output: $1.60 / 1M tokens

OpenAI - GPT-4.1 nano

Input: $0.10 / 1M tokens

Output: $0.40 / 1M tokens

OpenAI - O1 Pro

Input: $150.00 / 1M tokens

Output: $600.00 / 1M tokens

OpenAI - GPT-4o Search Preview

Input: $2.50 / 1M tokens

Output: $10.00 / 1M tokens

OpenAI - GPT-4o mini Search Preview

Input: $0.15 / 1M tokens

Output: $0.60 / 1M tokens

OpenAI - GPT-4.5

Input: $75.00 / 1M tokens

Output: $150.00 / 1M tokens

OpenAI - O1

Input: $15.00 / 1M tokens

Output: $60.00 / 1M tokens

OpenAI - O3-mini

Input: $1.10 / 1M tokens

Output: $4.40 / 1M tokens

OpenAI - GPT-4o

Input: $2.50 / 1M tokens

Output: $10.00 / 1M tokens

OpenAI - GPT-4o mini

Input: $0.15 / 1M tokens

Output: $0.60 / 1M tokens

OpenAI & GPT Pricing Calculator: Latest Models & Pricing

Our comprehensive calculator provides accurate cost estimates for all OpenAI models, with special focus on the latest releases including O3, O4-mini, GPT-4.1, GPT-4.5, O1, O3-mini, GPT-4o, and more. Perfect for developers, businesses, and AI enthusiasts looking to optimize their API costs.

Latest Models

  • • GPT-4.1: General purpose, best for most tasks
  • • o4-mini: Faster, most affordable reasoning model
  • • o3: Most powerful reasoning model
  • • GPT-4o: Fast, intelligent, flexible GPT model

Key Features

  • • Real-time cost estimation
  • • Input/Output token calculation
  • • Cache cost optimization

Cost Optimization Tips

Maximize your API usage while minimizing costs with these practical strategies:

Input Optimization

  • • Use cached requests when possible
  • • Optimize prompt length
  • • Batch similar requests

Model Selection

  • • Match model to use case
  • • Consider O3-mini for testing
  • • Scale up as needed

Pricing Updates & Information

Stay informed about OpenAI's latest pricing changes and model updates.

OpenAI's model pricing is subject to change. While we maintain current rates for all models including O1, O3-mini, and GPT-4O in our calculator, always verify the latest pricing on OpenAI's official website.

How It Works

Calculate your OpenAI API costs in three simple steps:

1

Select Model

Choose from GPT-4.5, O1, O3-mini, GPT-4O, or other OpenAI models

2

Enter Tokens

Specify input and output token amounts for your use case

3

Get Costs

View detailed breakdown of input, output, and total costs

Pro Tips

  • • Enable caching to see potential cost savings
  • • Use the word count estimate for better planning
  • • Compare different models for cost optimization