Comparison
Syrin vs LangSmith
LangSmith is a great tool if you only use LangChain. Syrin works with every framework.
SSyrin
Syrin is the runtime control layer for AI agents - mission control for your fleet. Framework-agnostic: it wraps LangChain, AutoGen, LlamaIndex, CrewAI, n8n, and custom agents with the same SDK. Not just logging - drift detection, recovery, live config, and governance.
LLangSmith
LangSmith is an observability and evaluation platform built by the LangChain team. It is deeply integrated with LangChain and LangGraph, and primarily designed for teams using those frameworks.
Feature comparison
Syrin wins 6 of 9 categories. LangSmith wins 3.
| Feature | Syrin | LangSmith |
|---|---|---|
| Supported frameworks | Any: LangChain, AutoGen, LlamaIndex, CrewAI, n8n, custom | LangChain and LangGraph only |
| Behavioral drift detection | Automatic, multi-dimensional (semantic, tool pattern, goal) | Not available |
| One-click production recovery | Yes - restore to any checkpoint without redeploy | Not available |
| Live config changes (no deploy) | Yes - Agent Config, free forever | Not available |
| Distributed tracing | Full waterfall trace across all agent types | Full trace for LangChain agents |
| Evals and testing | A/B experimentation with statistical significance | Rich eval framework with datasets and annotators |
| Governance and audit trail | Policy enforcement + full audit log | Not available |
| Free tier | 25K traces/mo, Agent Config free forever | Free developer tier |
| Open-source SDK | Yes - self-host, no vendor lock-in | Partial open source |
Choose Syrin when...
- You use any framework other than LangChain
- You need drift detection in production
- You need to recover agents without redeploying
- You have compliance requirements and need an audit trail
- You want live config changes without a deploy cycle
- You run multi-agent pipelines across different frameworks
Choose LangSmith when...
- You are 100% committed to LangChain and LangGraph
- You need a mature eval/annotation workflow with human reviewers
- You want deep LangChain-specific tooling and integrations
Frequently asked questions
Syrin vs LangSmith
See Syrin for yourself
Free tier. 2-minute setup. Works with your existing agent code.