openai api cost calculator
Use the worksheet to turn public rules, dates, and assumptions into a decision-ready estimate.
Use this OpenAI API cost calculator to estimate input tokens, output tokens, monthly spend, and per-request cost with editable OpenAI pricing.
Use the worksheet to turn public rules, dates, and assumptions into a decision-ready estimate.
Designed for people who need a practical calculation before they compare official sources.
This OpenAI API cost calculator estimates monthly spend from daily requests, average token usage, and editable OpenAI input and output token prices.
Adjust the assumptions, then use the result as a planning estimate. Official sources still control eligibility and reporting.
Adjust the inputs, review the assumptions, and verify source links before making a decision.
A model price is only one part of the budget. Real spend depends on request volume, prompt length, retrieved context, output length, cached input, and how many users repeat the workflow each day.
Open the official OpenAI pricing page, choose the exact model and usage mode, then enter the current input and output prices here. Do not use stale blog-post prices for production budgeting.
No. Prices are editable by design. Copy the current model price from the official OpenAI pricing page before making a budget decision.
Many AI workflows are generation-heavy. Longer responses can make output tokens the main cost driver even when input prompts are short.
Yes, but include all model calls made during the agent run. Multi-step agents may trigger several requests for one user action.