
OpenAI Price Calculator
Estimate price for using OpenAI API
OpenAI Price Calculator launched on March 2, 2023 with 104 votes, #528 of 5,007 launches that month and more than 75% of that year's launches. The site was still online in September 2026, 3 years on.
What it does
If you're using OpenAI API to generate AI content, here is a simple calculator that will estimate how much it will cost to generate a certain number of words. Just enter the number of words & it will provide you with the estimated price for different models.
Calculate your OpenAI API costs with our interactive calculator. Support for GPT-5.6 Sol, Terra, and Luna, GPT-5.5, GPT-5.5-pro, GPT-5.4 pro, GPT-5.4, GPT-5.2, o4-mini, GPT-5 family, GPT-4o, O1, O3-mini and all recent models with accurate pricing.
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 Access 300+ AI models via OpenRouter including OpenAI, Claude, Gemini, and more. Access 300+ AI models via OpenRouter including OpenAI, Claude, Gemini, and more. 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,…from invertedstone.com
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