LangChain vs Langfuse
Which Developer Tools AI tool is better in 2026?
LangChain
Build context-aware AI applications
Langfuse
Open source LLM engineering platform for debugging, analyzing, and iterating on LLM applications
Side-by-side
| LangChain | Langfuse | |
|---|---|---|
| Tagline | Build context-aware AI applications | Open source LLM engineering platform for debugging, analyzing, and iterating on LLM applications |
| Founded | 2022 | 2023 |
| HQ | San Francisco, US | DE |
| Employees | 50-100 | 11-50 |
| Total funding | $35M | Undisclosed |
| Latest round | Seed | — |
| Valuation | $200M | — |
| Cheapest paid plan | Plus · $39/mo | Core · $29/mo |
| Free plan | ✓ Developer | ✓ Hobby |
| Free trial | ✗ | ✗ |
| Top tier price | Plus · $39/mo | Pro · $199/mo |
| Pricing summary | 3 published plans | 4 published plans |
| Categories |
Capability matrix
Developer-facing capabilities and access signals for LangChain and Langfuse.
| Capability | LangChain | Langfuse |
|---|---|---|
| MCP support | ✗ | ✗ |
| Public API | ✓ | ✗ |
| Webhooks | ✗ | ✗ |
| OAuth 2.0 | ✗ | ✗ |
| SDK languages | 4 (Python, TypeScript, Go, Java) | — |
| Free plan | ✓ | ✓ |
| Free trial | ✗ | ✗ |
| Verified | ✓ | ✗ |
| Active deal | ✗ | ✗ |
🟢 Strengths of LangChain
- Has raised more capital ($35M vs Undisclosed)
- Higher Neuron score (50 vs 29)
- More mature (2022)
- Verified profile
🔵 Strengths of Langfuse
- Offers a free plan
- 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 LangChain if you want the most established option — it has raised $35M, 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
LangChain vs Langfuse — which is better?
It depends on your priority. LangChain has raised more capital and is the more established option; Langfuse is cheaper to start. See the side-by-side table above.
Is LangChain cheaper than Langfuse?
No — Langfuse's cheapest paid plan is Core · $29/mo, while LangChain's is Plus · $39/mo.
Do LangChain and Langfuse offer free plans?
LangChain: Yes, has a free plan. Langfuse: Yes, has a free plan.
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