# Freesolo Docs

> Train, deploy, and chat with custom LoRA models on managed infrastructure.

## Docs

- [Explore the directory](https://freesolo.co/docs/directory-structure.md): Every file flash env setup creates, what it's for, and when Flash reads it.
- [Environment model](https://freesolo.co/docs/environment-model.md): Your task as code: the dataset, interaction, and reward that make up the one part of a run you write.
- [Datasets](https://freesolo.co/docs/guides/datasets.md): Package task records and data files with Freesolo environments.
- [Deploy & chat](https://freesolo.co/docs/guides/deploy-and-chat.md): Serve a trained adapter and talk to it over an OpenAI-compatible API.
- [Environments](https://freesolo.co/docs/guides/environments.md): Define the task your model trains on and is graded by.
- [Training](https://freesolo.co/docs/guides/training.md): Write a config, submit a managed run, and follow it to completion.
- [How Flash works](https://freesolo.co/docs/how-flash-works.md): Post-training in plain terms: the few concepts that matter, and how Flash runs them for you.
- [Flash](https://freesolo.co/docs/index.md): Train, deploy, and chat with custom LoRA models on managed infrastructure, from one CLI.
- [Platform dashboard](https://freesolo.co/docs/platform.md): What you can see and manage in the Freesolo web app when you sign in.
- [Quickstart](https://freesolo.co/docs/quickstart.md): Install the CLI, log in, and train, deploy, and chat with your first model.
- [CLI reference](https://freesolo.co/docs/reference/cli.md): Every flash command and flag.
- [Configuration reference](https://freesolo.co/docs/reference/configuration.md): Every field in a Flash training config (TOML).
- [Cost and billing](https://freesolo.co/docs/reference/cost-model.md): How to preview Flash training cost, what affects it, and how charges are applied.
- [Supported models](https://freesolo.co/docs/reference/models.md): The base models Flash can fine-tune and serve, with sizes, reasoning, and token prices.
- [Troubleshooting](https://freesolo.co/docs/reference/troubleshooting.md): Common Flash errors, why they happen, and how to fix them.