Reviewed by the Softwares.com Editorial Team · Last updated June 2026 · How we rate
Key facts
- Vendor
- Weights & Biases
- Pricing
- Freemium — Free – $50/seat/mo
- Free tier
- Yes
- Platforms
- Web, Api, Self Hosted
- Best for
- Ml Teams, Researchers
- Editor rating
- 4.7 / 5
- Founded
- 2017
- Headquarters
- San Francisco, CA, USA
What is Weights & Biases?
Weights & Biases is a ai machine learning tool from Weights & Biases. Weights & Biases is an MLOps platform for experiment tracking, model management, evaluations, and LLM monitoring.
Weights & Biases uses freemium pricing and offers a free tier you can start on without a credit card. Free – $50/seat/mo.
It's best suited to ml-teams, researchers and runs on Web, Api, Self Hosted.
Standout strengths include excellent experiment tracking, strong collaboration, broad framework integrations. Worth weighing: costs scale with tracked usage.
Weights & Biases pricing
Pros
- Excellent experiment tracking
- Strong collaboration
- Broad framework integrations
Cons
- Costs scale with tracked usage
Weights & Biases vs alternatives
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Frequently asked questions
What is Weights & Biases?
Weights & Biases is an MLOps platform for experiment tracking, model management, evaluations, and LLM monitoring.
How much does Weights & Biases cost?
Weights & Biases is freemium-priced. It has a free tier. Paid plans start at $50/seat/mo.
Does Weights & Biases have a free trial?
Weights & Biases offers a free tier rather than a time-limited trial.
What platforms does Weights & Biases support?
Weights & Biases is available on Web, Api, Self Hosted.