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What just happened The prompt It cost me nothing I watched it train live It debugged itself Try it yourself Resources I opened a coding agent, wrote one prompt, and walked away. A couple of minutes later I had a fine-tuned model, trained on a free cloud GPU, with its metrics on a live trackio dashboard and its weights waiting for me on the Hub. I didn't touch a GPU, and I didn't write a line of the training code.
Last week, Google released the Colab CLI: full Colab runtimes you can drive from your terminal. It is a much-needed piece for the era of agents, and since I've always been a fan of Colab (it has helped me and so many others throughout my career), I had to test it. I first saw it through @osanseviero and @_philschmid.
The idea is simple: you tell your agent "fine-tune a model on this dataset" and it handles the rest, fully automatic. Google Colab provides the GPU, and the Hugging Face stack does the work: TRL trains, trackio tracks, and the Hub holds the dataset and the model. The agent just wires it together.
Here is the whole run, start to finish:
