Gentrace vs Neptune.ai: Which Should You Choose in 2026?
Choosing between Gentrace and Neptune.ai 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.
Neptune.ai
Experiment tracking for ML teams
Best for you if:
- • You want the higher-rated option (8.2/10 vs 0.0/10)
- • You need data visualization features specifically
- • Neptune.ai is an ML experiment tracking and model registry platform
- • It logs, organizes, and compares machine learning experiments at scale
| At a Glance |  Gentrace |  Neptune.ai |
|---|---|---|
Price | Free | Free + Paid |
Best For | AI Observability | Data Visualization |
Rating | —/100 | 82/100 |
| Feature | Gentrace | Neptune.ai |
|---|---|---|
| Pricing Model | Free | Freemium |
| Editorial Score | — | 82 |
| Community Rating | No ratings yet | No ratings yet |
| Total Reviews | 0 | 0 |
| Community Upvotes | 0 | 0 |
| Categories | AI Observability | Data VisualizationAI Model Deployment |
How Gentrace and Neptune.ai Compare
Gentrace
An open-source solution for AI observability and LLM evaluation.
Free
Neptune.ai
Experiment tracking for ML teams
Free tier available · 82/100 score
Gentrace is a ai observability tool. Neptune.ai is in data visualization.
Who Should Use What?
On a budget?
Gentrace is free. Neptune.ai is freemium.
Go with: Gentrace
Want the highest-rated option?
Neptune.ai scores 82/100. Gentrace is unrated.
Go with: Neptune.ai
Value user reviews?
Neither has user reviews yet.
Go with: Neptune.ai
3 Questions to Help You Decide
What's your budget?
Gentrace is free. Neptune.ai is freemium. Go with Gentrace if free matters most.
What's your use case?
Gentrace is a ai observability tool. Neptune.ai is in data visualization. Pick the category that matches your needs.
How important are ratings?
Not all tools have been rated yet.
Key Takeaways
Neptune.ai
- Higher score: 82/100 vs unrated
- Free tier available
- Our pick for this comparison
Gentrace
- Completely free
- Better fit for ai observability
The Bottom Line
Neptune.ai (82/100) is our pick. That said, Gentrace is free — hard to beat on price.
Frequently Asked Questions
Is Gentrace or Neptune.ai better?
Neptune.ai scores 82/100 in our evaluation. Gentrace is free and Neptune.ai is freemium.
What are Gentrace and Neptune.ai used for?
Gentrace: An open-source solution for AI observability and LLM evaluation.. Neptune.ai: Experiment tracking for ML teams.
What does Gentrace cost vs Neptune.ai?
Gentrace is completely free. Neptune.ai is freemium (free tier + paid plans). Visit their websites for detailed pricing.