
LangSmith
8.0#1 in llm gateway software$39 usage-basedFree planWebAPILinuxmacOS
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| Fact | LangSmith | Polyrouter |
|---|---|---|
| Deployment | Deployment provides managed or self-hosted agent servers with streaming, cron scheduling, authentication, MCP support and more than 30 API endpoints. | Self-hosting requires Docker with Compose v2 and runs the SPA, API, and proxy alongside PostgreSQL 16 and Redis. |
| Integrations | Documented integrations cover OpenAI, Anthropic, Bedrock, Gemini, Mistral, LiteLLM, OpenTelemetry, CrewAI, Vercel AI SDK, PydanticAI, AutoGen and many other frameworks and providers. | Provider options include API keys, OAuth subscriptions, compatible custom endpoints, and self-hosted local models including Ollama, LM Studio, and llama.cpp. |
LangSmith suits teams building or operating AI agents that need evaluation, prompt workflows, and observability. It supports both hosted and self-hosted deployment options.
Polyrouter may suit developers and teams who want one endpoint to route requests across model providers, set budgets, and configure fallbacks. It is self-hosted software requiring Docker with Compose v2, PostgreSQL 16, and Redis.