Clem Delangue
AI Founder
Sources checkedCo-founder and CEO of Hugging Face, the leading open-source machine learning collaboration hub hosting over 1 million models, datasets, and applications. Champion of open science, open weights, and reproducible evaluation benchmarks in artificial intelligence. Recognized by TIME100 in AI.
Areas of focus
Professional niches
Proof of Work
The Open LLM Leaderboard: Standardized Evaluation for Open Foundation Models
Established the Open LLM Leaderboard utilizing the LM Evaluation Harness to provide transparent, reproducible, contamination-checked benchmarks (MMLU-Pro, GSM8k, IFEval, MuSR, MATH) across thousands of community LLMs.
Benchmarks face test set leakage risks over time; static multiple-choice formats do not fully evaluate conversational agency or multi-turn tool calling.
Context: Automated cluster evaluating FP16/BF16 weights on standardized EleutherAI LM Evaluation Harness test suites.
View missionHugging Face Transformers Platform & Open Weights Ecosystem
Co-created and scaled the Hugging Face platform, which provides standardized APIs and model abstractions for PyTorch, TensorFlow, and JAX across hundreds of thousands of state-of-the-art transformer checkpoints.
Coordinating hundreds of diverse community model architectures requires continuous backwards-compatibility testing across rapidly evolving PyTorch versions.
Context: PyTorch, SafeTensors, ONNX, vLLM, DeepSpeed, BitsAndBytes quantization backends.
View mission