About calc.dev.br

calc.dev.br brings together calculators for people building with AI: Claude and ChatGPT API costs, model comparison, token counter, context window, prompt caching, coding agents and subscription vs API.

Prices come from Anthropic's and OpenAI's official pages and are reviewed whenever they change. The date of the last review shows on every calculator.

Independence

calc.dev.br is not affiliated with Anthropic, OpenAI or any AI vendor. Claude, ChatGPT, GPT and Codex are trademarks of their owners.

Who runs it

It's a sister project of SizeBench and taap.digital:

TA DE AZEVEDO PIRES - SOFTWARE
Owner: Thiago André Azevedo Pires
CNPJ 15.710.906/0001-77
São José dos Campos – SP, Brazil
Email: hello@sizebench.com