LangSmith
8.0#1 in llm gateway software$39 usage-basedFree planWebAPILinuxmacOS
VisitLangSmith vs LLM Gateway
LLM Gateway
8.2#4 in llm gatewaysFree planFree planWebAPIExtensionLinux
VisitWhat both publish
| Fact | LangSmith | LLM Gateway |
|---|---|---|
| Integrations | Documented integrations cover OpenAI, Anthropic, Bedrock, Gemini, Mistral, LiteLLM, OpenTelemetry, CrewAI, Vercel AI SDK, PydanticAI, AutoGen and many other frameworks and providers. | Published integration guides cover Claude Code, Cursor, Cline, n8n, VS Code, Codex CLI, OpenCode, Continue, Kilo Code, Kimi Code and other coding tools. |
| Observability | Its observability features include agent tracing, cost tracking, online LLM-as-judge and code evaluations, trajectory monitoring, and webhook or PagerDuty alerts. | Dashboards expose requests, tokens, latency, errors, cache status and spending broken down by model, provider, project and API key. |
LangSmith plans
- DeveloperFree
- Plus$39 a month
- EnterprisePriced on request
LLM Gateway plans
- FreeFree
- 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 LLM Gateway if…
LLM Gateway suits product and platform teams routing application requests to multiple model providers. Organizations deploying LLM infrastructure across teams may consider its enterprise identity, guardrail, and support options.