LangSmith
8.0#1 in llm gateway software$39 usage-basedFree planWebAPILinuxmacOS
VisitLangSmith vs YoloRouter
YoloRouter
7.5#5 in llm gateway softwareFree planFree planWebAPILinuxmacOS
VisitWhat both publish
| Fact | LangSmith | YoloRouter |
|---|---|---|
| Deployment | Deployment provides managed or self-hosted agent servers with streaming, cron scheduling, authentication, MCP support and more than 30 API endpoints. | The product is distributed as a single binary with an embedded admin console and no Node runtime requirement. |
| Observability | Its observability features include agent tracing, cost tracking, online LLM-as-judge and code evaluations, trajectory monitoring, and webhook or PagerDuty alerts. | The console reports token and cost KPIs, usage breakdowns and full per-attempt request logs with CSV export. |
| SDKs | Official SDK documentation is provided for Python, JavaScript/TypeScript, Go and Java. | Examples are provided for Python, Node.js, Go, cURL and numerous agent tools. |
LangSmith plans
- DeveloperFree
- Plus$39 a month
- EnterprisePriced on request
YoloRouter plans
- Self-hostedFree
Pick LangSmith if…
LangSmith suits teams building or operating AI agents that need evaluation, prompt workflows, and observability. It supports both hosted and self-hosted deployment options.
Pick YoloRouter if…
YoloRouter is designed for teams already shipping AI features that need multi-model access, provider failover, cost optimization, quota management, or request observability. It also suits teams seeking a self-hosted gateway with access controls.