berriai / litellm

Get started

Taken from the repository's own files on 22 Oct 2026. RepoPilot has not run these commands.

Prerequisites

Python >=3.10, <3.15 from pyproject.toml

Commands

Makefile

Task	Run	What it runs
test	`make test`	`$(UV_RUN) pytest tests/`
lint	`make lint`	`@$(GATE_SLOT_LOCK) $(MAKE) lint-inner`
check	`make check`	`@$(GATE_SLOT_LOCK) $(MAKE) check-inner`

Install and use

README.md

This requires uv to be installed.

git clone https://github.com/BerriAI/litellm.git
cd litellm
make install-dev    # Install development dependencies
make format         # Format your code
make lint           # Run all linting checks
make test-unit      # Run unit tests
make format-check   # Check formatting only

For detailed contributing guidelines, see CONTRIBUTING.md.

📖 Contributing to documentation? The LiteLLM docs have moved to a separate repository: BerriAI/litellm-docs. Please open doc PRs there. Docs are served at docs.litellm.ai.

Open README.md

Developing

CONTRIBUTING.md

# Fork the repository on GitHub (click the Fork button at https://github.com/BerriAI/litellm)
# Then clone your fork locally
git clone https://github.com/YOUR_USERNAME/litellm.git
cd litellm

# Create a new branch for your feature (see "Commit and Branch Conventions" below)
git checkout -b litellm_your_feature

# Install development dependencies
make install-dev

# Install git hooks that enforce commit conventions (one-time, opt-in)
make install-hooks

# Verify your setup works
make help

That's it! Your local development environment is ready.

Open CONTRIBUTING.md