
LangSmith
8.0#1 in llm gateway software$39 usage-basedFree planWebAPILinuxmacOS
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| Fact | LangSmith | PromptHub |
|---|---|---|
| Evaluation | Evaluation supports offline datasets, online production evaluations, human annotation queues and side-by-side experiment comparison. | The platform can run evaluations across test cases and compare prompt outputs side by side. |
| Integrations | Documented integrations cover OpenAI, Anthropic, Bedrock, Gemini, Mistral, LiteLLM, OpenTelemetry, CrewAI, Vercel AI SDK, PydanticAI, AutoGen and many other frameworks and providers. | PromptHub supports deployment through its API, shareable forms, and a Zapier integration. |
LangSmith suits teams building or operating AI agents that need evaluation, prompt workflows, and observability. It supports both hosted and self-hosted deployment options.
PromptHub suits people and teams developing, testing and deploying prompts across multiple model providers. Paid plans are relevant to users who need private prompts or team permissions.