Theme
Private companyVertical + EnterpriseDeployment

Weights & Biases

Weights & Biases remains a core developer platform for training, evaluation, and model operations, which makes it important even as more AI companies try to absorb those workflows into broader stacks.

HQ

San Francisco, US

Founded

2017

Region

North America

Current snapshot

Lifecycle position

Research

New work, prototypes, or early papers.

Preview

Selective access, early demos, or limited pilots.

Growth

Repeatable distribution, partnerships, or ecosystem pull.

Deployment

Wide production use and durable market presence.

Current position

Founded

2017

Watch cadence

Weekdays

Last verified

2026-03-31

Focus

AI developer tooling for experiment tracking, evaluations, agent workflows, and model operations

Latest move

Weights & Biases is still centered on the AI developer tooling layer, now with added context from its integration into CoreWeave after the 2025 acquisition.

Category and subcategory context

Agentic Coding ToolsDeveloper toolsVertical + EnterpriseInfrastructure

Competitive context

DatadogCometMLflow

Recent models

This profile is tracked more for products and workflow influence than for a standalone model family.

Products

W&B WeaveW&B ModelsExperiment tracking

Open weights

No

API access

Yes

Watch level

Weekdays

Signals

Developer toolingEvaluationsMLOps

Recent coverage of Weights & Biases

Recent business and product coverage pulled into the profile so you can see what is happening around the company without leaving the page.