Grafana vs Weights & Biases — Which One Wins?
A detailed, side-by-side comparison of Grafana and Weights & Biases to help you pick the right tool for your workflow.
Quick Verdict
Weights & Biases takes the lead with a 4.9 rating and is best for ml teams that need to track, compare, and reproduce experiments. Grafana (4.5) is the better pick if you need devops teams needing beautiful, customizable dashboards for any data source..
Side-by-Side Comparison
| Criteria | Grafana | Weights & Biases |
|---|---|---|
| Rating | ★★★★ 4.5(234) | ★★★★★ 4.9(12) |
| Pricing Model | open_source | freemium |
| Starter Price | $29/mo (Cloud Pro) | $50/user/mo |
| Free Tier | Yes | No |
| Platforms | web, linux, mac, windows | Web |
| Learning Curve | hard | moderate |
| API Available | Yes | Yes |
| Best For | DevOps teams needing beautiful, customizable dashboards for any data source. | ML teams that need to track, compare, and reproduce experiments |
| Verdict | recommended | recommended |
Feature Checklist
| Feature | Grafana | Weights & Biases |
|---|---|---|
| Universal data source connectivity (150+) | — | |
| Beautiful, customizable dashboards | — | |
| Alerting and notifications | — | |
| Grafana Cloud (hosted observability stack) | — | |
| Plugin ecosystem | — | |
| Open source and self-hostable | — | |
| Experiment tracking | — | |
| Model evaluation | — | |
| Dataset versioning | — | |
| Collaborative dashboards | — | |
| Hyperparameter sweeps | — | |
| Artifact management | — |
Grafana
Pros
- ✓Connects to 150+ data sources for unified dashboards
- ✓Free self-hosted with no feature limitations
- ✓Most customizable dashboard visualizations available
Cons
- ✕Requires technical knowledge to configure effectively
- ✕Self-hosting requires infrastructure management
- ✕Not a monitoring tool itself — needs data sources
Weights & Biases
Pros
- ✓Industry standard
- ✓Excellent visualizations
- ✓Good free tier
- ✓Comprehensive artifacts
Cons
- ✕ML-specific only
- ✕Enterprise pricing steep
- ✕Learning curve for full features
The Bottom Line
Both Grafana and Weights & Biases are solid tools in the Analytics & Data space. Weights & Biases edges ahead with a stronger overall rating (4.9 vs 4.5) and is the better choice for ml teams that need to track, compare, and reproduce experiments. However, if you prioritize devops teams needing beautiful, customizable dashboards for any data source., Grafana is worth serious consideration. We recommend trying the free tier or trial of each before committing.