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.
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 want the higher-rated option (8.0/10 vs 7.4/10)
- • 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:
- • You need ai observability 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 | AI Observability |
Rating | 80/100 | 74/100 |
| Feature | Helicone | Langfuse |
|---|---|---|
| Pricing Model | Freemium | Freemium |
| Editorial Score | 80 | 74 |
| Community Rating | No ratings yet | No ratings yet |
| Total Reviews | 0 | 0 |
| Community Upvotes | 0 | 0 |
| Categories | API ToolsAI Observability | AI ObservabilityDebugging |
Understanding the Differences
Both Helicone and Langfuse solve similar problems, but they approach them differently.Helicone positions itself as "build reliable ai apps with helicone: ai gateway & llm observability for debugging, routing, and analysis." while Langfusefocuses on "open source llm engineering platform for debugging and improving your llm application.". These differences matter depending on what you're trying to accomplish.
When to Choose Helicone
Helicone makes sense if you're looking for a budget-friendly option with a free tier solution. With a score of 80/100, it's our top pick in this comparison.
When to Choose Langfuse
Langfuse is worth considering if you need a flexible option with both free and paid tiers tool.
Who Should Use What?
Bootstrapped or small team?
When every dollar counts, Helicone lets you get started without pulling out your credit card.
We'd pick: Helicone
Growing fast?
Your team doubled last quarter and you need tools that won't break when you add 50 more people. Helicone handles scale better in our testing.
We'd pick: Helicone
Enterprise with complex needs?
You need SSO, compliance certifications, and a support team that picks up the phone. Both have enterprise tiers—compare their security features.
We'd pick: Helicone
Still not sure? Answer these 3 questions
How much can you spend?
Tight budget? Start free with Helicone, upgrade when you're ready.
Do you care what other users think?
Both have similar review counts. Read a few before you commit.
Expert opinion or crowd wisdom?
Our team rated Helicone higher (80/100). But the community has upvoted Langfuse more (0 votes). Pick your source of truth.
Key Takeaways
What Helicone Does Better
- Higher overall score (80/100)
- Our recommendation for most use cases
Consider Langfuse If
- You want to start free and scale later
- Its specific features better match your workflow
- You prefer its interface or design approach
The Bottom Line
If we had to pick one, we'd go with Helicone (80/100). But the honest answer is that "better" depends on your situation. Helicone scores higher in our analysis, but Langfuse might be the right choice if its specific strengths align with what you need most. Take advantage of free trials to test both before committing.
Frequently Asked Questions
Is Helicone or Langfuse better?
Based on our analysis, Helicone scores higher with 80/100. Helicone isfreemium while Langfuse is freemium. The best choice depends on your specific needs and budget. We recommend testing both with free trials if available.
Can I switch from Helicone to Langfuse easily?
Migration difficulty varies. Check if both tools support data export/import in compatible formats. Some tools offer migration assistance or have integration partners who can help with the transition.
Do Helicone and Langfuse offer free trials?
Most software in this category offers free trials or free tiers. Helicone is freemium with a free tier.Langfuse is freemium with a free tier. Visit their websites for current trial offers.