Basalt
Reach 99% quality on your AI feature
Langfuse
Open Source LLM Engineering Platform
Updated February 2026
| Basalt | Langfuse | |
|---|---|---|
| Rating | 5.0★ | 5.0★ |
| Reviews | 1 | 41 |
| Pros | 0 | 18 |
| FactScore™ | 15.1 | 81.2 |
FactScore™ Comparison
FactScore™ weighs both quality (rating) and popularity (reviews) for a fairer ranking than stars alone.
Pros & Cons
Only in Basalt — Pros
No unique pros listedBoth tools — Pros
—Only in Langfuse — Pros
LLM observability Open source Detailed tracing Monitoring capabilities Cost-effective Easy to integrate Free tier SDK availability Seamless integration Debugging tools Fast iterations Insightful analytics Community engagement Detailed analytics Excellent UI Flexible architecture Open API Robust telemetryOnly in Basalt — Cons
—Both tools — Cons
—Only in Langfuse — Cons
—Details
| Basalt | Langfuse | |
|---|---|---|
| Categories | AI Metrics and Evaluation | AI Infrastructure Tools, AI Metrics and Evaluation |
| Platforms | Web | Web |
| Became Popular | February 26, 2025 | August 20, 2023 |
| Website | getbasalt.ai | langfuse.com |
Who Should Pick Which?
Choose Basalt if...
- No unique pros listed
Choose Langfuse if...
- LLM observability
- Open source
- Detailed tracing
With a FactScore™ of 15.1 vs 81.2, Langfuse leads in community reception. Basalt uniquely offers No unique pros listed, while Langfuse stands out for LLM observability and Open source.
What Users Say
Basalt
Love it! Have followed the evolution of the product and clearly your are getting ahead of everyone. Keep up!
Langfuse
Without Langfuse, we would have been flying blind with our drafting agent. This platform is critical not just for measuring performance, but for understanding exactly what context gets pulled into ...
So excited to see Langfuse go live — we've been a happy user for 4 weeks now. Most detailed latency and analytics in the market. Highly recommend for anyone using complex chains or with user-f...
We’ve been unsung Langfuse for 2 months now. It’s easy to integrate and makes it simpler for us to monitor & debug LLM requests during development and beyond.
Related Comparisons
Frequently Asked Questions
Which is better, Basalt or Langfuse?
Based on FactScore™, Langfuse leads with a score of 81.2 vs 15.1. Langfuse has a higher rating of 5.0★ compared to 5.0★.
What are the pros of Basalt compared to Langfuse?
Basalt uniquely offers: No unique pros listed.
What are the pros of Langfuse compared to Basalt?
Langfuse uniquely offers: LLM observability, Open source, Detailed tracing, Monitoring capabilities, Cost-effective.
Is Basalt better rated than Langfuse?
Basalt is rated 5.0★ from 1 reviews. Langfuse is rated 5.0★ from 41 reviews.
What is the FactScore™ of Basalt and Langfuse?
FactScore™ weighs rating and review volume together. Basalt scores 15.1 and Langfuse scores 81.2.
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