Home/Directory/Data & MLOps/Weights & Biases

Weights & Biases

The ML platform for experiment tracking and LLM observability

Venture Funded$200MSeries CInsight PartnersCoatueFelicis

Experiment TrackingMLOpsLLM ObservabilityModel RegistryCollaboration

About

Weights & Biases (W&B) is the standard platform for ML experiment tracking, model versioning, and dataset management. Its Weave product extends this to LLM observability — tracing, evaluation, and monitoring for production LLM applications. Used by 1,000+ enterprise ML teams.

Enterprise Readiness

from cataloged data

71/100 · Strong

Security & ComplianceStrong

2 certifications: SOC 2, GDPR

Deployment FlexibilityStrong

Flexible deployment: Cloud, Self-Hosted

Integration DepthStrong

5 documented integrations

Proven AdoptionStrong

1 published case study

Company MaturityStrong

Founded 2018 · Series C

Composite of public compliance, deployment, integration, adoption, and company signals. “Not disclosed” reflects gaps in available data, not a vendor deficiency.

Enterprise Use Cases

Experiment Tracking

Model Versioning

LLM Evaluation

Team Collaboration

Integrations

PyTorchTensorFlowHugging FaceSageMakerDatabricks

Compliance & Certifications

SOC 2GDPR

In Production At1 case study

OpenAIAI Research2023

Uses W&B for experiment tracking across all model training runs, enabling reproducibility at scale.

How Weights & Biases compares

Tool	Readiness	Pricing	Deployment	Compliance	Integrations
Weights & Biases	71 · Strong	Freemium	Cloud, Self-Hosted	SOC 2, GDPR	5
Arize AI	67 · Strong	Freemium	Cloud, Self-Hosted	SOC 2, GDPR	5
LangSmith	66 · Strong	Freemium	Cloud, Self-Hosted	SOC 2, GDPR	5
Databricks	86 · Leader	Enterprise	Cloud, Hybrid	SOC 2, HIPAA, ISO 27001, FedRAMP	6

Peers from the same category, ranked by Enterprise Readiness. Readiness is a composite of cataloged compliance, deployment, integration, adoption, and company signals.

Frequently Asked Questions

What is Weights & Biases used for?

Weights & Biases is the ML platform for experiment tracking and LLM observability. It is commonly used for experiment tracking, model versioning, llm evaluation, and team collaboration.

Is Weights & Biases free, and how is it priced?

Weights & Biases offers a free tier, with paid plans that add capacity and features.

What compliance certifications does Weights & Biases have?

Weights & Biases lists SOC 2 and GDPR compliance, indicating adherence to recognized security and data-handling standards relevant to enterprise procurement.

How can Weights & Biases be deployed?

Weights & Biases supports Cloud and Self-Hosted deployment. On-premise and self-hosted options support data-residency and air-gapped requirements.

What does Weights & Biases integrate with?

Weights & Biases documents 5 integrations, including PyTorch, TensorFlow, Hugging Face, SageMaker, and Databricks.

When was Weights & Biases founded?

Weights & Biases was founded in 2018 and has raised $200M in funding.

Is Weights & Biases enterprise-ready?

Based on cataloged data, Weights & Biases has an Enterprise Readiness score of 71/100 (Strong tier), derived from its compliance, deployment, integration, adoption, and company-maturity signals.

Quick Facts

PricingFreemium

DeploymentCloud, Self-Hosted

Founded2018

Team Size200-500

Funding$200M

CategoryData & MLOps

New & Notable

AI-curated news will appear here once the news feed pipeline launches.

Is this your product?

Claim this profile to manage your listing — update your logo, add case studies, verify compliance certifications, and respond to enterprise inquiries.