Google Colab provides free Jupyter notebooks in the cloud with GPU and TPU access, making ML experimentation accessible without hardware investment or environment setup.
Pre-installed libraries cover the entire ML stack: TensorFlow, PyTorch, JAX, scikit-learn, pandas, matplotlib, Hugging Face, and more. Custom packages install via pip.
Google Drive integration persists notebooks and data across sessions. Collaborative editing enables real-time teamwork. Sharing via links or GitHub integration.
Free tier includes T4 GPU access with usage limits. Colab Pro ($12/mo) provides A100 GPUs, more RAM, longer runtimes, and background execution.