LangSmith
8.0#1 in llm gateway software$39 usage-basedFree planWebAPILinuxmacOS
VisitLangSmith vs Portkey
What both publish
| Fact | LangSmith | Portkey |
|---|---|---|
| Deployment | Deployment provides managed or self-hosted agent servers with streaming, cron scheduling, authentication, MCP support and more than 30 API endpoints. | Portkey lists self-hosted and local deployment options, and Enterprise offers private cloud deployment and VPC hosting. |
| Founded | 2023 | 2023 |
| Headquarters | San Francisco, California, United States | San Francisco, California |
| Integrations | Documented integrations cover OpenAI, Anthropic, Bedrock, Gemini, Mistral, LiteLLM, OpenTelemetry, CrewAI, Vercel AI SDK, PydanticAI, AutoGen and many other frameworks and providers. | The integrations catalog lists providers and platforms including OpenAI, Anthropic, Google Gemini, Azure, Amazon Bedrock, and Ollama. |
| Observability | Its observability features include agent tracing, cost tracking, online LLM-as-judge and code evaluations, trajectory monitoring, and webhook or PagerDuty alerts. | Portkey offers logs, traces, feedback, metadata, filters, and alerts for AI activity. |
LangSmith plans
- DeveloperFree
- Plus$39 a month
- EnterprisePriced on request
Portkey plans
- DeveloperFree
- Production$49 a month
- EnterprisePriced on request
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 Portkey if…
Portkey suits teams managing generative AI applications across models or providers that need routing, observability, prompt management, or governance controls. It also offers self-hosted and local deployment options.