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Guild AI vs Weights & Biases
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Price
Free
Experiment Tracking
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Free
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Experiment Tracking
Overview
Focus
Experiment Tracking
MLOps Platforms
Product
Open-source experiment tracking system for ML engineers that doesn't require code changes to existing scripts.
Weights & Biases is an MLOps platform for experiment tracking, model evaluation, dataset versioning, and hyperparameter tuning used by AI teams including OpenAI, Meta, and top foundation model builders.
Headquarters
Chicago, Illinois
San Francisco, California
Company size
2-10 employees
201-500 employees
Founded
2018
2017
Pricing details
Published rate
Free
Free options
Free plan, Free trial
Free plan, Free trial
Source updated
Oct 29, 2026
Oct 29, 2026