Braintrust vs Weights & Biases Pricing (2026)
How do these two stack up on price? Here's what each one costs, what you get, and where the value sits.
| Braintrust | Weights & Biases | |
|---|---|---|
| Starts at | $249/mo | $60/mo |
| Number of plans | 3 | 5 |
| Free plan | ||
| Free trial | — | |
| Pricing model | usage-based | hybrid |
Starter
- Platform fee
- Topics
- Processed data
- Scores
- Users
- Projects
- Playgrounds
- Experiments
- Datasets
- Human review scores
- Saved table views
- Custom columns
- Custom trace views
- Included data retention
- OAuth sign-in
- Multi-factor authentication (MFA)
- SOC 2 Type II compliance
- Community support
Pro
- Platform fee
- Topics
- Processed data
- Scores
- Users
- Projects
- Playgrounds
- Experiments
- Datasets
- Human review scores
- Playground annotations
- Saved table views
- Custom columns
- Custom trace views
- Custom charts
- Environments
- Included data retention
- OAuth sign-in
- Multi-factor authentication (MFA)
- SOC 2 Type II compliance
- Role-based access control (RBAC)
- Data processing agreement (DPA)
- Community support
- Priority support
Enterprise
- Platform fee
- Topics
- Processed data
- Scores
- Users
- Projects
- Playgrounds
- Experiments
- Datasets
- Human review scores
- Loop agent
- Playground annotations
- Saved table views
- Custom columns
- Custom trace views
- Custom charts
- Environments
- Included data retention
- Custom policies
- S3 data export
- OAuth sign-in
- Multi-factor authentication (MFA)
- SOC 2 Type II compliance
- SAML single sign-on (SSO)
- Role-based access control (RBAC)
- Data processing agreement (DPA)
- Business associate agreement (BAA)
- Uptime service level agreement (SLA)
- Community support
- Priority support
- Shared Slack channel
- Guaranteed service level agreements (SLAs)
Free
- AI application evaluations
- AI application tracing
- AI application scorers
- AI model experiment tracking
- AI assets registry & lineage tracking
- Community Support
Pro
- Unlimited teams for collaboration
- Team-based access controls
- Service Accounts
- Priority email & chat support
- CI/CD automations
- Slack and email alerts
Enterprise
- Single tenant option with choice of region
- HIPAA compliant option
- Secure private connectivity
- Customer-managed encryption key
- Single Sign On
- Automated user provisioning
- Custom roles
- Audit logs
- Enterprise support package
Personal
- 1 user seat
- Experiment tracking
- Registry & lineage tracking
- Run a W&B server locally on any machine with Docker and Python installed
- For personal projects only. Corporate use is not allowed.
Advanced Enterprise
- Flexible deployment options
- HIPAA compliant option
- Secure private connectivity
- Customer-managed encryption key
- Single Sign On
- Automated user provisioning
- Custom roles
- Audit logs
- Enterprise support package
- Run a W&B server locally on your own infrastructure with a free enterprise trial license
Braintrust vs Weights & Biases FAQ
- Which one is cheaper?
- Weights & Biases is the cheaper option, starting at $60/mo vs $249/mo for Braintrust.
- Can I use either one for free?
- Both offer free plans, so you can try each without paying. Start with whichever fits your workflow better and upgrade when you hit the limits.
- How do they charge?
- Different approach here. Braintrust uses usage-based pricing, while Weights & Biases goes with hybrid. That changes the math depending on your team size and usage.
- Which one is a better deal?
- Depends on what you need. Braintrust: At $249/mo, they're priced accessibly for mid-stage AI teams but not trying to be the cheapest eval tool in the room — they're positioning against the 'build it yourself' crowd and tools like LangSmith or Weights & Biases. The startup discount (6–12 months free on Pro) signals they're actively trying to land early-stage AI companies before competitors do. Weights & Biases: At $60/mo for Pro, they're accessible for indie teams and startups, but the real competition is MLflow (open-source, self-hosted, free) and Comet ML — W&B is positioning as the polished, cloud-native option worth paying for when you're tired of maintaining your own infra. They're mid-market on price but premium on brand within the MLOps space.
Still deciding? See the best Braintrust alternatives or the best Weights & Biases alternatives, ranked with verified pricing.
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