Helicone vs Weights & Biases: Which Should You Choose in 2026?
Choosing between Helicone 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:
Helicone
Build reliable AI apps with Helicone: AI Gateway & LLM Observability for debugging, routing, and analysis.
Best for you if:
- • You need api tools features specifically
- • Routes, debugs, and analyzes AI applications.
- • Offers LLM observability and an AI Gateway.
Weights & Biases
ML experiment tracking
Best for you if:
- • You want the higher-rated option (8.8/10 vs 8.0/10)
- • You need data visualization features specifically
- • MLOps platform for experiment tracking
- • Visualize and compare ML training runs
| At a Glance |  Helicone |  Weights & Biases |
|---|---|---|
Price | Free + Paid | Free + Paid |
Best For | API Tools | Data Visualization |
Rating | 80/100 | 88/100 |
| Feature | Helicone | Weights & Biases |
|---|---|---|
| Pricing Model | Freemium | Freemium |
| Editorial Score | 80 | 88 |
| Community Rating | No ratings yet | No ratings yet |
| Total Reviews | 0 | 0 |
| Community Upvotes | 0 | 108 |
| Categories | API ToolsMonitoring | Data VisualizationAI Model Deployment |
How Helicone and Weights & Biases Compare
Helicone
Build reliable AI apps with Helicone: AI Gateway & LLM Observability for debugging, routing, and analysis.
Free tier available · 80/100 score
Weights & Biases
ML experiment tracking
Free tier available · 88/100 score
Helicone is a api tools tool. Weights & Biases is in data visualization.
Who Should Use What?
On a budget?
Both are freemium. Compare plans on their websites.
Go with: Helicone
Want the highest-rated option?
Helicone: 80/100. Weights & Biases: 88/100.
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?
Both are freemium. Pricing won't help you decide here.
What's your use case?
Helicone is a api tools tool. Weights & Biases is in data visualization. Pick the category that matches your needs.
How important are ratings?
Weights & Biases scores higher: 88/100 vs 80/100.
Key Takeaways
Weights & Biases
- Higher score: 88/100 vs 80
- More community upvotes (108)
- Free tier available
- Our pick for this comparison
Helicone
- Better fit for api tools
The Bottom Line
Weights & Biases (88/100) is our pick.
Frequently Asked Questions
Is Helicone or Weights & Biases better?
Weights & Biases scores 88/100 in our evaluation. Both are freemium.
What are Helicone and Weights & Biases used for?
Helicone: Build reliable AI apps with Helicone: AI Gateway & LLM Observability for debugging, routing, and analysis.. Weights & Biases: ML experiment tracking.
What does Helicone cost vs Weights & Biases?
Helicone is freemium (free tier + paid plans). Weights & Biases is freemium (free tier + paid plans). Visit their websites for detailed pricing.