Embedded function calling in Workers AI: easier, smarter, faster

Introducing embedded function calling and a new ai-utils package

Today, we’re excited to announce a novel way to do function calling that co-locates LLM inference with function execution, and a new ai-utils package that upgrades the developer experience for function calling.

This is a follow-up to our mid-June announcement for traditional function calling, which allows you to leverage a Large Language Model (LLM) to intelligently generate structured outputs and pass them to an API call. Function calling has been largely adopted and standardized in the industry as a way for AI models to help perform actions on behalf of a user.

Our goal is to make building with AI as easy as possible, which is why we’re introducing a new @cloudflare/ai-utils npm package that allows developers to get started quickly with embedded function calling. These helper tools drastically simplify your workflow by actually executing your function code and dynamically generating tools from OpenAPI specs. We’ve also open-sourced our ai-utils package, which you can find on GitHub. With both embedded function calling and our ai-utils, you’re one step closer to creating intelligent AI agents, and from there, the possibilities are endless.

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