Comprehensive AI prompt engineering and optimization

Empowering AI engineers with tools to increase productivity, ensure reliability, and foster collaboration when building AI apps.

Tokens API

It all starts with our token counter, a completely free service for input token counts and cost.

Get input token counts and costs for over 160 AI models from all the major AI players. OpenAI, Google, Meta, Microsoft, Anthropic, and many more.

Quickly and easily incorporate our Tokens API into your apps, services, and workflows. Simply create your free account to get your API key.

AI Prompt Studio

Coming soon

Our upcoming AI Prompt Studio gives AI engineers the means to create high-performing prompts, along with the ability to determine which prompts and models work best for your specific use cases.

Includes a fully managed prompt library with built-in versioning, prompt analysis and scoring, prompt debugging, side-by-side comparisons, split-testing experiments, and a developer-friendly API to separate prompts from code.