Helicone vs Langfuse: Which Should You Choose in 2026?
Choosing between Helicone and Langfuse 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 May 6, 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:
- 0
- • You need api tools features specifically
- • Routes, debugs, and analyzes AI applications.
- • Offers LLM observability and an AI Gateway.
Langfuse
Open Source LLM Engineering Platform for debugging and improving your LLM application.
Best for you if:
- 0
- • You need debugging features specifically
- • Provides observability, traces, and metrics for LLM applications.
- • Offers prompt management, evaluation, and annotation features.
| At a Glance |  Helicone |  Langfuse |
|---|---|---|
Price | Free + Paid | Free + Paid |
Best For | API Tools | Debugging |
Rating | — | — |
| Feature | Helicone | Langfuse |
|---|---|---|
| Pricing Model | Freemium | Freemium |
| Community Rating | No ratings yet | No ratings yet |
| Total Reviews | 0 | 0 |
| Community Upvotes | 0 | 0 |
| Categories | API ToolsMonitoring | DebuggingAI Prompt Tools |
How Helicone and Langfuse Compare
Helicone
Build reliable AI apps with Helicone: AI Gateway & LLM Observability for debugging, routing, and analysis.
Free tier available
Langfuse
Open Source LLM Engineering Platform for debugging and improving your LLM application.
Free tier available
Helicone is a api tools tool. Langfuse is in debugging.
Who Should Use What?
On a budget?
Both are freemium. Compare plans on their websites.
Go with: Helicone
Want the highest-rated option?
Neither has user reviews yet.
Go with: Helicone
Value user reviews?
Neither has user reviews yet.
Go with: Helicone
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. Langfuse is in debugging. Pick the category that matches your needs.
How important are ratings?
Neither has user reviews yet.
Key Takeaways
Helicone
- 0
- Free tier available
- Our pick for this comparison
Langfuse
- Better fit for debugging
The Bottom Line
Helicone is our pick.
Frequently Asked Questions
Is Helicone or Langfuse better?
Helicone is rated high in our evaluation. Both are freemium.
What are Helicone and Langfuse used for?
Helicone: Build reliable AI apps with Helicone: AI Gateway & LLM Observability for debugging, routing, and analysis.. Langfuse: Open Source LLM Engineering Platform for debugging and improving your LLM application..
What does Helicone cost vs Langfuse?
Helicone is freemium (free tier + paid plans). Langfuse is freemium (free tier + paid plans). Visit their websites for detailed pricing.