Pricing that works for everyone

The best tools for AI developers

Free

Designed for personal development of AI applications and models

$0/mo
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Includes

  • AI application evaluations
  • AI application tracing
  • AI application scorers
  • AI model experiment tracking
  • AI assets registry & lineage tracking
  • Community Support

Pro

Professionals working to optimize AI applications and models

Starts at $50/mo
START YOUR 30 DAY FREE TRIAL

All features from Free +

  • CI/CD automations
  • Slack and email alerts
  • Unlimited teams for collaboration
  • Team-based access controls
  • Service Accounts
  • Priority email & chat support

Enterprise

Companies prioritizing security and compliance for AI applications and models

Custom plans
CONTACT US

All features from Pro +

  • Single tenant option with choice of region
  • HIPPA compliant option
  • Secure private connectivity
  • Customer-managed encryption key
  • Single Sign On
  • Automated user provisioning
  • Custom roles
  • Audit logs
  • Enterprise support package

Free forever for academic research

Coordinate projects remotely. Unlimited tracking hours, teams, projects and 100GB free cloud storage.

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Compare plans

Free

Personal development / small projects

GET STARTED

Pro

Professionals and small teams

30 DAY FREE TRIAL

Enterprise

Prioritizing security and compliance

CONTACT US
The basics
Model seats i Train and fine-tune AI models
Up to 5
Up to 10
Customizable
Weave seats i Develop GenAI applications
Tracked hours
Limited to 5GB of storage
500 tracked hours/mo Additional hours billed at $1/hour
Unlimited
Storage
5 GB/mo
100 GB/mo Additional storage $0.03/GB
Customizable
Weave data ingestion i Volume discounts available with annual commitments
400 MB/mo
600 MB/mo Additional data ingestion $0.20/MB
Customizable
Dedicated scalable deployment
Available
Weave
Tracing i Monitor and analyze the performance of your GenAI models during development and in production, capturing inputs, outputs, and metadata for each inference.
Evaluation i Compare different recipes including fine-tuning, RAG, LLMs, and datasets, side-by-side for accuracy, latency, and token usage.
Production monitoring i Monitor the Performance, Cost, and Health of Your LLM Applications
LLM-as-a-judge metrics
Models
Lightweight experiment tracking
Centralized model registry
Hyperparameter optimization
Automated ML Workflows
Automations i Trigger workflows automatically
Core features
Dataset and model versioning i W&B Artifacts
Interactive data visualization i W&B Tables
Collaborative dashboards i W&B Reports
Access Controls & Permissions
Public projects
Private projects
Team-based access controls
Project-level access controls
Custom Roles i Not available with Weave
Service accounts
Security & Compliance
SOC 2 Type II
Customizable data retention i Artifacts TTL
Single sign-on
User and role management using SCIM API
Audit Logs
Bring your own bucket i Not available with Weave
HIPAA compliance i Possible with ByoB
IP allowlisting
Secure private connectivity i Inbound and outbound
Customer-managed encryption key (CMEK) i AWS & GCP
Support
Email support
Chat support
Support SLA i First response during business hours: 2am - 5pm PT M-F
12 hours
4 hours
Dedicated Slack/MS Teams support channel
Dedicated AI solution engineer

Frequently asked questions

How is Weave data ingestion calculated?

We define ingested bytes as bytes that we receive, process, and store on your behalf. This includes trace metadata, LLM inputs/outputs, and any other information you explicitly log to Weave, but does not include communication overhead (e.g., HTTP headers) or any other data that is not placed in long term storage. We count bytes as "ingested" only once at the time they are received and stored.

How much Weave data ingestion do I need?

We recommend using the free trial to estimate how much data ingestion you can expect to use. An average trace is approximately 0.22 MB, but the distribution is wide and varies depending on the use case and type of data sent.

What is a tracked hour?

A tracked hour is wall-clock time when training a model. If your model takes 8 hours to train, you have used 8 tracked hours. Today, this is irrespective of GPU quality, speed, etc. Importing runs from other platforms or syncing offline runs will contribute to your organization's tracked hour limit.

How is storage calculated?

Storage includes both artifacts and data logged to runs.

Weights & Biases calculates your storage usage over the last 30 days. For example, if you use 100 GB of storage for 15 days of March, 200 GB for 1 day of March, and 300GB over 14 days of March your storage usage would be:

100 GB x 15 days = 1500 GB-days
200 GB x 1 day x = 200 GB-days
300 GB x 14 days x = 4200 GB-days
5900 GB-days / (30 days) = 196.6 GB

At the end of 30 days, Weights & Biases rounds your storage to the nearest MB. Therefore, your storage usage for March would be 197 GB.

Does tracked data stored on an external server count against my storage quota?

Absolutely not. Only the size of the metadata that you actually store in Weights & Biases counts against your storage quota. Reference artifacts and data stored in an external storage bucket will not count.

Who qualifies as an academic?

Weights & Biases provides a free Pro license to academic institutions pursuing research not connected to a for-profit entity. This license is intended for students, professors, and postdoctoral researchers. An active email address affiliated with an academic institution is required.

What does the academic license include?

The free academic license comes with all the product features included on Pro, 100GB of cloud storage, unlimited tracked hours, and up to 100 seats. Additional cloud storage can be purchased for $0.03 per GB, billed monthly. If you host Weights & Biases locally, cloud storage limits do not apply.