Hugging Face Releases ml-intern: An Open-Source AI Agent that Automates the LLM Post-Training Workflow

MarkTechPost / 4/22/2026

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Key Points

  • Hugging Face has released ml-intern, an open-source AI agent that automates the end-to-end post-training workflow for large language models (LLMs).
  • Built on the smolagents framework, ml-intern can autonomously carry out literature reviews, dataset discovery, training script execution, and iterative evaluation.
  • The tool is intended to reduce the significant manual effort typically required from ML researchers and engineers during post-training.
  • By integrating multiple post-training steps into a single autonomous workflow, ml-intern aims to improve efficiency and repeatability in LLM development cycles.

Hugging Face has released ml-intern, an open-source AI agent designed to automate end-to-end post-training workflows for large language models (LLMs). Built on the company’s smolagents framework, the tool can autonomously perform literature review, dataset discovery, training script execution, and iterative evaluation — tasks that typically require significant manual effort from ML researchers and engineers. What […]

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