Weights & Biases Free Plan 2026: What's Included & What's Not
Honest breakdown of the free tier limits and features
Weights & Biases costs Free to $60 per user/month as of April 2026. Pricing depends on your chosen tier, contract length, and negotiated discounts.
Use the interactive pricing calculator to estimate your exact cost based on team size and requirements.
- Free tier: No free tier available
Yes, Weights & Biases offers a forever free plan as of April 2026. The free tier includes 9 features with limits on seats and storage. Paid plans start at $60/per month (Pro). Pricing verified from 2 sources by CostBench.
Weights & Biases's free plan is available indefinitely with no time limit.
What's Included in the Free Plan
- Up to 5 model seats
- 5 GB/month storage
- 1 GB/month Weave data ingestion
- AI application evaluations, tracing, and scorers
- AI model experiment tracking
- AI assets registry and lineage tracking
- CI/CD automations
- Slack and email alerts
- Community support
What's NOT Included (Paid Only)
- Up to 10 model seats
- Unlimited tracked hours
- 100 GB/month storage (additional at $0.03/GB)
- 1.5 GB/month Weave data ingestion (additional at $0.10/MB)
- Unlimited teams for collaboration
- Team-based access controls
- Service accounts
- Priority email and chat support
- 4-24 hour first response time
Free Plan Limits
| Limit | Free Plan | Paid Plans |
|---|---|---|
| seats | 5 model seats | Unlimited/Higher |
| storage | 5 GB/month | Unlimited/Higher |
You'll Need to Upgrade When...
- You exceed the user limit
- You need features like Up to 10 model seats or Unlimited tracked hours
- You require premium support or SLA guarantees
- You need to remove branding or watermarks
- You need advanced integrations or API access
Hidden Restrictions on Free Plan
- Limited to 5 model seats
- Only 5 GB artifact storage
- 1 GB/month Weave data ingestion cap
Free vs Paid: Which Do You Need?
Free Plan is Enough If...
- You're an individual or very small team
- You need only basic features
- You don't mind usage limits
- Branding on output is acceptable
- Community support is sufficient
You Need Paid If...
- Your team is growing beyond limits
- You need advanced features
- Professional branding is required
- You need priority support
- Integrations/API access is critical
Free vs Pro Plan Comparison
| Free $0 | Pro $60/per month | |
|---|---|---|
| Features | 9 included | 9+ included |
| Support | Community/Email | Priority Support |
| Branding | Weights & Biases branding | Your branding |
| Best For | Individual researchers and personal AI development projects | ML teams at early-stage companies needing collaboration and unlimited experiment tracking |
Frequently Asked Questions
01 Is Weights & Biases free?
Yes, Weights & Biases offers a forever free plan with 9 core features included. However, there are limits on seats, storage that may require upgrading.
02 What's included in Weights & Biases's free plan?
Weights & Biases's free plan includes: Up to 5 model seats, 5 GB/month storage, 1 GB/month Weave data ingestion, AI application evaluations, tracing, and scorers, AI model experiment tracking, and 4 more features. Key limits include seats: 5 model seats, storage: 5 GB/month.
03 What's NOT included in Weights & Biases's free plan?
The free plan excludes: Up to 10 model seats, Unlimited tracked hours, 100 GB/month storage (additional at $0.03/GB), 1.5 GB/month Weave data ingestion (additional at $0.10/MB), Unlimited teams for collaboration. You'll also have Weights & Biases branding and limited support options.
04 When should I upgrade from Weights & Biases's free plan?
Consider upgrading when: you hit user or storage limits, need features like Up to 10 model seats or Unlimited tracked hours, require premium support, or want to remove branding. The cheapest paid plan starts at $60/per month.
05 Is Weights & Biases's free plan really free forever?
Yes, Weights & Biases's free plan is available indefinitely with no time limit. However, feature and usage limits may restrict what you can do without upgrading to a paid plan.