Helicone vs Langfuse
Which Developer Tools AI tool is better in 2026?
Helicone
Helicone is an AI gateway and LLM observability platform that helps companies route, debug, and analyze their AI applications.
Langfuse
Open source LLM engineering platform for debugging, analyzing, and iterating on LLM applications
Side-by-side
| Helicone | Langfuse | |
|---|---|---|
| Tagline | Helicone is an AI gateway and LLM observability platform that helps companies route, debug, and analyze their AI applications. | Open source LLM engineering platform for debugging, analyzing, and iterating on LLM applications |
| Founded | — | 2023 |
| HQ | — | DE |
| Employees | — | 11-50 |
| Total funding | Undisclosed | Undisclosed |
| Latest round | — | — |
| Valuation | — | — |
| Cheapest paid plan | Pro · $79/mo | Core · $29/mo |
| Free plan | ✓ Hobby | ✓ Hobby |
| Free trial | ✓ | ✗ |
| Top tier price | Team · $799/mo | Pro · $199/mo |
| Pricing summary | 4 published plans | 4 published plans |
| Categories |
Capability matrix
Developer-facing capabilities and access signals for Helicone and Langfuse.
| Capability | Helicone | Langfuse |
|---|---|---|
| MCP support | ✗ | ✗ |
| Public API | ✗ | ✗ |
| Webhooks | ✗ | ✗ |
| OAuth 2.0 | ✗ | ✗ |
| SDK languages | — | — |
| Free plan | ✓ | ✓ |
| Free trial | ✓ | ✗ |
| Verified | ✗ | ✗ |
| Active deal | ✗ | ✗ |
🟢 Strengths of Helicone
- Offers a free trial
🔵 Strengths of Langfuse
- Higher Neuron score (29 vs 12)
- Lower starting price ($29/mo)
- Newer company (2023)
Which should you choose?
Choose Langfuse if price matters most — it starts at Free · From $29/mo, which is friendlier for teams watching burn. Both AI Developer Tools tools ship core features, so the cost delta often decides it for small teams and solo operators.
Choose Langfuse if you want the most established option — it has raised Undisclosed, suggesting more runway for enterprise features, support, and long-term roadmap. For mission-critical workflows or larger teams, that stability often outweighs a lower monthly price.
Frequently asked questions
Helicone vs Langfuse — which is better?
It depends on your priority. Helicone is the leaner option; Langfuse is cheaper to start. See the side-by-side table above.
Is Helicone cheaper than Langfuse?
No — Langfuse's cheapest paid plan is Core · $29/mo, while Helicone's is Pro · $79/mo.
Do Helicone and Langfuse offer free plans?
Helicone: Yes, has a free plan. Langfuse: Yes, has a free plan.
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