OpenAI Cost Calculator

OpenAI API Pricing Calculator

Estimate costs for OpenAI's newest models including GPT-5.6 Sol, Terra, and Luna, GPT-5.5, GPT-5.4 pro, GPT-5.4, GPT-5.2 pro, GPT-5.2, GPT-5.1, GPT-5 family, o3-pro, o3, o4-mini, GPT-4.1, GPT-4o, and more with our interactive calculator

Token Cost Calculator

Enter your estimated token usage to calculate costs

Select Model

Input: $5.00/1M tokens
Output: $30.00/1M tokens

Use input caching (when available)

Input Tokens

≈ 750 words

Output Tokens

≈ 7500 words

Featured Resource

Multi-AI Google Sheets Script 4.0

$39$19+

Access 300+ AI models via OpenRouter including OpenAI, Claude, Gemini, and more.

Learn more

Multi-AI Airtable Script 4.0

$59$29

Access 300+ AI models via OpenRouter including OpenAI, Claude, Gemini, and more.

Learn more

Real-time Calculation

Instant cost estimates for your API usage

All Models Supported

From GPT-5.6 Sol to GPT-5 nano and beyond

Smart Estimates

Detailed breakdown of all costs

Current OpenAI API Pricing

Latest pricing information per million tokens for each model

OpenAI - GPT-5.6 Sol

Input: $5.00 / 1M tokens

Output: $30.00 / 1M tokens

OpenAI - GPT-5.6 Terra

Input: $2.50 / 1M tokens

Output: $15.00 / 1M tokens

OpenAI - GPT-5.6 Luna

Input: $1.00 / 1M tokens

Output: $6.00 / 1M tokens

OpenAI - GPT-5.6

Input: $5.00 / 1M tokens

Output: $30.00 / 1M tokens

OpenAI - GPT-5.5

Input: $5.00 / 1M tokens

Output: $30.00 / 1M tokens

OpenAI - GPT-5.5-pro

Input: $30.00 / 1M tokens

Output: $180.00 / 1M tokens

OpenAI - GPT-5.4 pro

Input: $30.00 / 1M tokens

Output: $180.00 / 1M tokens

OpenAI - GPT-5.4

Input: $2.50 / 1M tokens

Output: $15.00 / 1M tokens

OpenAI - GPT-5.4 mini

Input: $0.75 / 1M tokens

Output: $4.50 / 1M tokens

OpenAI - GPT-5.4 nano

Input: $0.20 / 1M tokens

Output: $1.25 / 1M tokens

OpenAI - GPT-5.3 Codex

Input: $1.75 / 1M tokens

Output: $14.00 / 1M tokens

OpenAI - GPT-5.2 pro

Input: $21.00 / 1M tokens

Output: $168.00 / 1M tokens

OpenAI - GPT-5.2

Input: $1.75 / 1M tokens

Output: $14.00 / 1M tokens

OpenAI - GPT-5.2 Codex

Input: $1.75 / 1M tokens

Output: $14.00 / 1M tokens

OpenAI - GPT-5.1

Input: $1.25 / 1M tokens

Output: $10.00 / 1M tokens

OpenAI - GPT-5.1 Codex

Input: $1.25 / 1M tokens

Output: $10.00 / 1M tokens

OpenAI - GPT-5.1 Codex Max

Input: $1.25 / 1M tokens

Output: $10.00 / 1M tokens

OpenAI - GPT-5 pro

Input: $15.00 / 1M tokens

Output: $120.00 / 1M tokens

OpenAI - GPT-5

Input: $1.25 / 1M tokens

Output: $10.00 / 1M tokens

OpenAI - GPT-5 Codex

Input: $1.25 / 1M tokens

Output: $10.00 / 1M tokens

OpenAI - GPT-5 mini

Input: $0.25 / 1M tokens

Output: $2.00 / 1M tokens

OpenAI - GPT-5 nano

Input: $0.05 / 1M tokens

Output: $0.40 / 1M tokens

OpenAI - gpt-realtime-2 (text)

Input: $4.00 / 1M tokens

Output: $24.00 / 1M tokens

OpenAI - gpt-realtime-2 (audio)

Input: $32.00 / 1M tokens

Output: $64.00 / 1M tokens

OpenAI - gpt-realtime-1.5 (text)

Input: $4.00 / 1M tokens

Output: $16.00 / 1M tokens

OpenAI - gpt-realtime-1.5 (audio)

Input: $32.00 / 1M tokens

Output: $64.00 / 1M tokens

OpenAI - gpt-realtime (text)

Input: $4.00 / 1M tokens

Output: $16.00 / 1M tokens

OpenAI - gpt-realtime (audio)

Input: $32.00 / 1M tokens

Output: $64.00 / 1M tokens

OpenAI - gpt-realtime-mini (text)

Input: $0.60 / 1M tokens

Output: $2.40 / 1M tokens

OpenAI - gpt-realtime-mini (audio)

Input: $10.00 / 1M tokens

Output: $20.00 / 1M tokens

OpenAI - o3-pro

Input: $20.00 / 1M tokens

Output: $80.00 / 1M tokens

OpenAI - o3 Deep Research

Input: $10.00 / 1M tokens

Output: $40.00 / 1M tokens

OpenAI - o3

Input: $2.00 / 1M tokens

Output: $8.00 / 1M tokens

OpenAI - o4-mini Deep Research

Input: $2.00 / 1M tokens

Output: $8.00 / 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 - 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 GPT-5.6 Sol, Terra, and Luna, GPT-5.5, GPT-5.5-pro, GPT-5.4 pro, GPT-5.4, GPT-5.2 pro, GPT-5.2, GPT-5.1, GPT-5 pro, GPT-5, GPT-5 mini, GPT-5 nano, o3-pro, o3, o4-mini, GPT-4.1, O1, O3-mini, GPT-4o, and more. Perfect for developers, businesses, and AI enthusiasts looking to optimize their API costs.

Latest Models

• GPT-5.6 Sol: Current flagship model ($5/$30 per 1M tokens)
• GPT-5.6 Terra: Balanced intelligence and cost ($2.50/$15 per 1M tokens)
• GPT-5.6 Luna: Cost-efficient model for high-volume workloads ($1/$6 per 1M tokens)
• GPT-5.4 pro: Highest-end GPT-5.4 model for demanding workloads
• GPT-5.2 pro: Premium model with advanced capabilities
• o4-mini: Fast, cost-efficient reasoning 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 GPT-5.6 Sol, Terra, and Luna, GPT-5.4 pro, GPT-5.4, GPT-5.2 pro, GPT-5.2, GPT-5.1, GPT-5 family, 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:

Select Model

Choose from GPT-5.6 Sol, Terra, and Luna, GPT-5.4 pro, GPT-5.4, GPT-5.2 pro, GPT-5.2, GPT-5.1, GPT-5 pro, GPT-5 family, o3-pro, o3, o4-mini, GPT-4.1, O1, GPT-4o, or other OpenAI models

Enter Tokens

Specify input and output token amounts for your use case

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

Related Calculators

OpenRouter

Compare pricing across all OpenRouter models in one table

Claude

Calculate costs for Claude Opus 5, Opus 4.8, Sonnet 5, Sonnet 4.6, Haiku 4.5, and Fable 5

Gemini

Calculate costs for Gemini 3.5 Flash, 3.1 Pro, 3 Flash & 2.5 Pro/Flash

DALL-E & GPT Image

Calculate costs for GPT Image 1.5, GPT Image 1, DALL-E 3 & 2

Whisper & TTS

GPT-4o Transcribe, Whisper, TTS & TTS HD pricing

Cohere

Calculate costs for Command A, R+, R & R7B models