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LangSmith

LangChain's platform for debugging and evaluating LLM apps

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Looking for a tool like LangSmith (LangChain's platform for debugging and evaluating LLM apps)? Below are 10 AI tools people use as an alternative to LangSmith, ranked by leaderboard position. Each one is approved by our editors and worth comparing before you decide.

Cursor
Cursor

AI-first code editor, forked from VS Code

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OpenRouter
OpenRouter

One API endpoint for 300+ AI models from every provider

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Amazon Bedrock
Amazon Bedrock

One API for Claude, Llama, Titan, and more on AWS

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Azure OpenAI Service
Azure OpenAI Service

Enterprise access to OpenAI models via Microsoft Azure

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Pinecone
Pinecone

The most widely used managed vector database

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PromptHub
PromptHub

Collaborative prompt management, testing, versioning, and deployment platform.

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Braintrust
Braintrust

Evaluation and observability for AI apps in production

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Anyscale
Anyscale

Managed platform for training and serving models at scale

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W&B Weave
W&B Weave

Weights & Biases' platform for LLM evaluation and tracing

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Fly.io
Fly.io

Deploy full-stack apps close to users at the edge

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