Agent Infrastructure · Head-to-head
Langfuse vs mem0
Langfuse and mem0 are both agent infrastructure. Langfuse is An open-source LLM engineering platform for tracing, evaluation, prompt management and debugging, while mem0 is universal memory layer for AI Agents. Here's an independent, side-by-side look at how they compare — and which fits.
An open-source LLM engineering platform for tracing, evaluation, prompt management and debugging.
Visit Langfuse →
Langfuse and mem0 are both open-source agent infrastructure you can self-host for free. mem0 has wider GitHub adoption — 66k stars vs 35k. Neither is universally better — pick by fit.
Side by side
| Spec | Langfuse | mem0 |
|---|---|---|
| Type | Infrastructure | Infrastructure |
| Model | Open source | Open source |
| Pricing | Open source | Open source |
| GitHub stars | 34,954 | 65,865 |
| Language | TypeScript | Python |
| License | MIT | Apache-2.0 |
| Last activity | Sep 2026 | Sep 2026 |
Key differences
- mem0 has wider GitHub adoption — 66k stars vs 35k.
- Langfuse is written primarily in TypeScript; mem0 in Python.
- Licensing differs: Langfuse is MIT, mem0 is Apache-2.0.
Teams that want production-grade, self-hostable tracing and evals for LLM apps.
Adding a persistent memory layer to agents across sessions and users.
About Langfuse
Langfuse helps teams develop, monitor, evaluate and debug AI applications: it ingests traces of LLM calls, retrieval, embeddings and agent actions, runs evaluations, manages prompts and datasets, and integrates with the major LLM SDKs and frameworks. It can be self-hosted or used as Langfuse Cloud, and has been part of ClickHouse since January 2026. Most of the code is MIT-licensed; enterprise directories carry a separate licence.
Full Langfuse profile →Frequently asked
- What's the main difference between Langfuse and mem0?
- mem0 has wider GitHub adoption — 66k stars vs 35k.
- Is Langfuse or mem0 better?
- Neither is universally better. Langfuse is the stronger fit for Teams that want production-grade, self-hostable tracing and evals for LLM apps; mem0 for Adding a persistent memory layer to agents across sessions and users. Use the side-by-side specs to decide by your own constraints.
- Is Langfuse or mem0 free?
- Langfuse is free to run and self-host; mem0 is free to run and self-host. Both are free to self-host — you only pay for the infrastructure and any model or API usage.
- Which is more popular, Langfuse or mem0?
- By GitHub stars — a proxy for open-source adoption — mem0 is ahead (66k vs 35k). Stars measure attention, not necessarily the better fit for you.
More agent infrastructure comparisons
- Browserbase vs mem0
- Browserbase vs Langfuse
- mem0 vs Pipecat Cloud
- Langfuse vs Pipecat Cloud
- daytona vs mem0
- daytona vs Langfuse