> ## Documentation Index
> Fetch the complete documentation index at: https://wb-21fd5541-feature-automate-reference-docs-generation.mintlify.site/llms.txt
> Use this file to discover all available pages before exploring further.

# W&B Weave

> Track, test, and improve language model apps with W&B Weave

<Info>
  W\&B Inference service comes free with your account. Get access to open source models through the API and Weave Playground.

  * [Developer documentation](./guides/integrations/inference)
  * [Product page](https://wandb.ai/site/inference)
</Info>

W\&B Weave helps you build better language model apps. Use Weave to track, test, and improve your apps:

* **Track & Watch**: See how your language model calls work in live systems.
* **Test Changes**: Try new prompts, data, and models safely.
* **Run Tests**: Test models and prompts in the Playground.
* **Check Performance**: Use tools to see how well your app works.
* **Add Safety**: Protect your app with content filters and prompt guards.

Connect Weave to your code with:

* [Python SDK](./reference/python-sdk/weave/index)
* [TypeScript SDK](./reference/typescript-sdk/weave/README)
* [Service API](./reference/service-api/index)

Weave works with many language model providers, local models, and tools.

## Get started

New to Weave? Start with the [Python quickstart](./quickstart) or TypeScript quickstart.

## Advanced guides

Explore advanced topics:

* **Integrations**: Connect Weave with popular language model providers.
* **[Cookbooks](/cookbooks/Intro_to_Weave_Hello_Trace)**: Build with Weave using Python and TypeScript. Try interactive notebooks.
* **W\&B AI Academy**: Build advanced retrieval systems, improve language model prompting, and fine-tune models.