Keeping documentation accurate has always been a drag – until now. With AutoDoc, we’re introducing an AI-native solution that automatically generates and continuously updates documentation for your projects, freeing teams from the tedium of writing and maintaining docs.

Why documentation falls behind

In fast-moving codebases, documentation often becomes outdated. Developers are busy shipping features, not updating READMEs. The result? Onboarding friction, miscommunication, and black-box systems that no one fully understands. It’s no surprise that 37% of developers say documentation is the #1 task they want AI to help with.

Enter AutoDoc

AutoDoc is Cosine’s built-in documentation engine, powered by Genie 2 – our proprietary AI model tuned for code. With no setup required, AutoDoc analyses your entire codebase, generates clean, structured documentation, and keeps it current as your code evolves. It’s like having your best engineer maintain the docs on autopilot.

Key features

1. End-to-End Docs:

AutoDoc creates overview pages, module deep-dives, API references, and even code examples – without needing annotations or special formatting.

2. Continuous Updates:

Docs update automatically with each commit. No stale references. No extra work.

3. Deep Code Understanding:

Our agent maps out classes, functions, and their interactions to explain not just what the code does, but how it fits together.

4. Fully Integrated:

Works out of the box with Cosine. Your documentation lives alongside your code, not in a silo.

5. Customizable:

Edit or fine-tune any section. AutoDoc learns from your changes, so the docs get smarter over time.

Built using Cosine

We didn’t just build AutoDoc for other teams; we used it ourselves to ship the first version. The entire feature was conceived, developed, and demoed in a single day using our own product.

At lunch, our cofounder asked Cosine to “build a self-updating documentation engine.” By the afternoon, it was working and demo-ready. No long planning cycles and no manual scaffolding. Just a clear idea and a fast loop with our AI teammate.

That’s the power of building with Cosine. It’s not just a productivity boost, it’s a new way to create software. AutoDoc exists because Cosine made it easy to go from idea to execution end-to-end.

For teams that move fast

Whether you’re onboarding new hires, shipping a public API, or wrangling legacy systems, AutoDoc keeps your team aligned. It’s already helping teams:

• Keep docs in sync across microservices

• Improve API adoption with user-facing docs

• Understand legacy code without spelunking

• Satisfy compliance and audit needs

Docs are now a seamless part of your dev workflow.

AutoDoc is more than a tool. It’s a new way to think about project documentation. 

Turn it on, and your code will start talking.

Try it free today on all your projects.