AI Tool
Weights & Biases pricing, features, company info, and alternatives
A factual product page for W&B's AI developer platform.
Last updated April 2026 · Pricing and features verified against official documentation
Pricing
Current public pricing tiers on file for Weights & Biases, last verified Apr 26, 2026.
Free
$0 / month
Designed for personal development of AI applications and models.
Pro
$60 / month
Starts at $60/month, billed monthly. Intended for early-stage teams under 50 employees.
Enterprise
Custom
Includes single-tenant, region choice, HIPAA, private connectivity, customer-managed encryption keys, SSO, automated provisioning, custom roles, audit logs, and enterprise support.
Personal
$0 / month
Local W&B server for personal projects only; corporate use is not allowed.
Advanced Enterprise
Custom
Maximum control and privacy with a free Enterprise Trial license.
What You Can Do With It
The main capabilities that shape how people use Weights & Biases today.
Combines W&B Models, Weave, Inference, Training, Registry, and Core in one platform.
W&B Inference exposes open-source foundation models through an OpenAI-compatible API.
The Python SDK and Public API let users query, export, update, and manage runs, artifacts, sweeps, projects, reports, and automations.
The iPhone app lets users monitor experiments and training runs from mobile.
Best For
Who Weights & Biases is most clearly built for.
Teams that want experiment tracking, tracing, and evaluation in the same system.
Developers who need programmatic access to logged runs, artifacts, sweeps, and reports.
Organizations that want cloud, dedicated, or customer-managed deployment options with enterprise controls.
Company
Leadership and company context for Weights & Biases.
Founders
Lukas Biewald, Chris Van Pelt, Shawn Lewis
Headquarters
San Francisco, CA, USA
Platforms
Where you can use Weights & Biases today.
Web app
Python SDK
CLI
Public API
iPhone app
Self-hosted/local server
Integrations
Notable connected tools and ecosystem hooks for Weights & Biases.
OpenAI
LangChain
LlamaIndex
PyTorch
TensorFlow
Privacy Notes
Publicly stated data-handling notes that matter when evaluating Weights & Biases.
W&B says private projects are hidden from the public internet, and Private Teams can restrict visibility to team members.
The privacy policy says W&B may collect account, usage, billing, diagnostic, and location data when you use the website or services.
The privacy policy says W&B may share personal information with affiliates, service providers, integration partners, and authorities as described in the policy.
Compliance
Public compliance or enterprise-governance signals we found for Weights & Biases.
ISO/IEC 27001:2022
ISO/IEC 27017:2015
ISO/IEC 27018:2019
SOC 2 Type 2
HIPAA
GDPR alignment
NIST 800-53 alignment
Access
How to integrate or build around Weights & Biases.
Public API
Yes
Docs
Available
iOS app
Available
Alternatives
Other tools worth considering alongside Weights & Biases.
Framework-agnostic platform for observability, evaluation, and deployment of AI agents and LLM apps.
Open-source LLM engineering platform for tracing, prompt management, evaluations, and analytics.
AI observability and evaluation platform for tracing, scoring, and improving production AI applications.
Open-source AI observability and evaluation platform for tracing, prompt iteration, and experiments.
Product Snapshot
Weights & Biases is an AI developer platform for model tracking, tracing, evaluation, hosted inference, and training. It is aimed at ML and AI teams that want a shared system of record for experiments and production workflows.
What You Can Do With It
- Track model experiments, artifacts, sweeps, and reports in the W&B Python SDK and Public API.
- Trace and evaluate AI applications with W&B Weave.
- Access open-source foundation models through W&B Inference’s OpenAI-compatible API.
- Use the CLI, web app, and iPhone app alongside cloud-hosted, dedicated, or customer-managed deployment options.
Why It Stands Out
It combines experiment tracking, app tracing, inference, and deployment options in one product family.
Tradeoffs To Know
- Pro is aimed at early-stage teams under 50 employees, while larger customers are directed to Enterprise.
- Inference credits are only included for a limited time on some plans, and overages are billed separately.
- Personal is a local-server option for personal projects only; corporate use is not allowed.
- The mobile app is currently iPhone-only.
Sources
- wandb.ai/site/pricing
- wandb.ai/site/pricing/inference
- wandb.ai/site/company/about-us
- site.wandb.ai
- docs.wandb.ai
- docs.wandb.ai/models/ref/python/public-api
- docs.wandb.ai/weave/guides/integrations/inference
- docs.wandb.ai/models/ref/python
- docs.wandb.ai/ref/cli
- apps.apple.com/us/app/weights-biases/id6755162576
- docs.wandb.ai/models/integrations/openai-api
- docs.wandb.ai/weave/guides/integrations/langchain
- docs.wandb.ai/weave/guides/integrations/llamaindex
- docs.wandb.ai/models/integrations/pytorch
- docs.wandb.ai/guides/integrations/keras
- docs.wandb.ai/models/integrations/tensorflow
- wandb.ai/site/data
- wandb.ai/site/privacy-policy
- wandb.ai/site/security
- docs.wandb.ai/ref/python