Gentrace vs Weights & Biases: Which Should You Choose in 2026?
Choosing between Gentrace and Weights & Biases comes down to understanding what each tool does best. This comparison breaks down the key differences so you can make an informed decision based on your specific needs, not marketing claims.
By Toolradar Team · Last updated February 28, 2026 · Methodology
Short on time? Here's the quick answer
We've tested both tools. Here's who should pick what:
Gentrace
An open-source solution for AI observability and LLM evaluation.
Best for you if:
- • You need something completely free
- • You need ai observability features specifically
- • Open-source AI observability platform for LLMs.
- • Provides tools for LLM evaluation and monitoring.
Weights & Biases
ML experiment tracking
Best for you if:
- • You want the higher-rated option (8.8/10 vs 0.0/10)
- • You need data visualization features specifically
- • MLOps platform for experiment tracking
- • Visualize and compare ML training runs
| At a Glance |  Gentrace |  Weights & Biases |
|---|---|---|
Price | Free | Free + Paid |
Best For | AI Observability | Data Visualization |
Rating | —/100 | 88/100 |
| Feature | Gentrace | Weights & Biases |
|---|---|---|
| Pricing Model | Free | Freemium |
| Editorial Score | — | 88 |
| Community Rating | No ratings yet | No ratings yet |
| Total Reviews | 0 | 0 |
| Community Upvotes | 0 | 108 |
| Categories | AI Observability | Data VisualizationAI Model Deployment |
How Gentrace and Weights & Biases Compare
Gentrace
An open-source solution for AI observability and LLM evaluation.
Free
Weights & Biases
ML experiment tracking
Free tier available · 88/100 score
Gentrace is a ai observability tool. Weights & Biases is in data visualization.
Who Should Use What?
On a budget?
Gentrace is free. Weights & Biases is freemium.
Go with: Gentrace
Want the highest-rated option?
Weights & Biases scores 88/100. Gentrace is unrated.
Go with: Weights & Biases
Value user reviews?
Neither has user reviews yet.
Go with: Weights & Biases
3 Questions to Help You Decide
What's your budget?
Gentrace is free. Weights & Biases is freemium. Go with Gentrace if free matters most.
What's your use case?
Gentrace is a ai observability tool. Weights & Biases is in data visualization. Pick the category that matches your needs.
How important are ratings?
Not all tools have been rated yet.
Key Takeaways
Weights & Biases
- Higher score: 88/100 vs unrated
- More community upvotes (108)
- Free tier available
- Our pick for this comparison
Gentrace
- Completely free
- Better fit for ai observability
The Bottom Line
Weights & Biases (88/100) is our pick. That said, Gentrace is free — hard to beat on price.
Frequently Asked Questions
Is Gentrace or Weights & Biases better?
Weights & Biases scores 88/100 in our evaluation. Gentrace is free and Weights & Biases is freemium.
What are Gentrace and Weights & Biases used for?
Gentrace: An open-source solution for AI observability and LLM evaluation.. Weights & Biases: ML experiment tracking.
What does Gentrace cost vs Weights & Biases?
Gentrace is completely free. Weights & Biases is freemium (free tier + paid plans). Visit their websites for detailed pricing.