Weights & BiasesWeights & Biases
Weights & Biases

Weights & Biases

The AI developer platform that helps teams build, fine-tune, and deploy AI models and applications faster and with confidence.

2017Active317

About

Weights & Biases is an AI developer platform that enables teams to build, track, and deploy AI models and applications. Its core offerings include tools for experiment tracking, hyperparameter optimization, data visualization, and model registry, serving AI developers and researchers. The platform also provides solutions for fine-tuning LLMs, building agentic AI applications, and evaluating AI systems.

Technology stack

detected 2026-06-22
Est. monthly stack spend~$1,750/mo
EmailGoogle Workspace
Hosting
Google Cloud
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Frequently asked

What does Weights & Biases do?

Weights & Biases is an AI developer platform that enables teams to build, track, and deploy AI models and applications. Its core offerings include tools for experiment tracking, hyperparameter optimization, data visualization, and model registry, serving AI developers and researchers. The platform also provides solutions for fine-tuning LLMs, building agentic AI applications, and evaluating AI systems.

Where is Weights & Biases headquartered?

Weights & Biases is headquartered in San Francisco, United States.

When was Weights & Biases founded?

Weights & Biases was founded in 2017.

What industry does Weights & Biases operate in?

Weights & Biases operates in AI Infrastructure, MLOps, AI Platforms, Developer Tools, Data Platform, Generative AI.

How many employees does Weights & Biases have?

Weights & Biases has approximately 317 people on record.