Promptbook

PromptBook is the free, Jupyter-style AI notebook platform for prompt engineering, supporting multi-provider models (OpenAI, Gemini, Bedrock) and accelerating development 10x.

PromptBook is your enterprise-grade AI notebook platform: a free, Jupyter-style environment built for prompt engineering and iterative AI development. It offers a secure, multi-provider workflow, connecting directly to models like OpenAI GPT, Google Gemini, and Amazon Bedrock with bank-level encryption for API keys. Developers use the platform to build and test prompts 10x faster, leveraging built-in chat for side-by-side comparison and gaining analytics to optimize performance and facilitate team collaboration.

https://promptbook.work