vast-gpu
Vast.ai GPU Management
Manage vast.ai GPU instance: $ARGUMENTS
Overview
Rent cheap, capable GPUs from vast.ai on demand. This skill analyzes the training task to determine GPU requirements, searches for the best-value offers, presents options with estimated total cost, and handles the full lifecycle: rent → setup → run → destroy.
Users do NOT specify GPU models or hardware. They describe the task — the skill figures out what to rent.
Prerequisites: The vastai CLI must be installed (requires Python ≥ 3.10) and authenticated:
pip install vastai
vastai set api-key YOUR_API_KEY
If your system Python is < 3.10, create a virtual environment with Python ≥ 3.10 (e.g.,
conda create,pyenv,uv venv, etc.) and installvastaithere.
SSH public key must be uploaded at https://cloud.vast.ai/manage-keys/ BEFORE creating any instance. Keys are baked into instances at creation time — if you add a key after renting, you must destroy and re-create the instance.
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