GPT-5 Token Counter
Count the tokens of the prompt you enter below.
* Don't worry about your data, calculation is happening on your browser.
FAQ:
• What is OpenAI?
OpenAI is a research and deployment company that aims to promote and develop friendly artificial general intelligence (AGI) in a way that benefits humanity as a whole. OpenAI's goals are to advance digital intelligence in the way that is most likely to benefit humanity as a whole.
• GPT-5 Introduction
GPT-5 is the flagship model in the GPT-5 series, excelling in complex reasoning, broad world knowledge, and multi-step agentic tasks. Alongside it are `gpt-5-mini` for cost-optimized reasoning and chat, balancing speed, cost, and capability, and `gpt-5-nano` for high-throughput tasks like simple instruction-following or classification, trading some general knowledge for lower cost and latency. The GPT-5 system introduces new API features such as verbosity control, minimal reasoning effort, custom tools, and an allowed tools list, providing developers with enhanced control and flexibility.
• Will I leak my prompt?
No, you will not leak your prompt. The token count calculation is performed client-side, ensuring that your prompt remains secure and confidential. Your data privacy is of utmost importance, and this approach guarantees that your sensitive information is never transmitted to the server or any external entity.