LangSmith Alternatives
LangSmith is a unified DevOps platform for developing, collaborating, testing, deploying, and monitoring LLM applications.
LangSmith, part of LangChain, is a platform that provides tools for debugging, testing, evaluating, and managing prompts for LLM applications.
Explore 64 alternatives to LangSmith across 2 categories. Each tool listed below shares at least one category with LangSmith.
Top LangSmith alternatives at a glance
- Klu. Collaborate on prompts, evaluate, and optimize LLM-powered Apps with Klu.
- FinetuneDB. Capture production data, evaluate outputs collaboratively, and fine-tune your LLM's performance
- Hugging Face. The open-source AI platform with 500K+ models, inference endpoints, and fine-tuning tools
- LLaMA-Factory. Open-source fine-tuning framework for 100+ LLMs with a web UI
- Unsloth. Fine-tune LLMs up to 30x faster with 90% less memory usage
🧠 Fine-tuning
LLaMA-Factory
Open-source fine-tuning framework for 100+ LLMs with a web UI
Unsloth
Fine-tune LLMs up to 30x faster with 90% less memory usage
TRL
Hugging Face library for training language models with RLHF, SFT, and DPO
torchtune
PyTorch-native library for fine-tuning LLMs on consumer and enterprise GPUs
📊 Observability & Analytics
Comet Opik
Comet provides an end-to-end model evaluation platform for AI developers.
Agenta
Open-source prompt management, evaluation, and observability for LLM apps
Dunetrace
Runtime reliability and failure detection for AI agents
RAGAS
Open-source evaluation and testing framework for LLM and RAG applications
Braintrust
Stop building AI in the dark.
Presidio
Microsoft open-source SDK for detecting and anonymizing PII in text and images
Guardrails AI
Open-source framework for adding input and output validators around LLM calls
NeMo Guardrails
NVIDIA toolkit for adding programmable guardrails to LLM conversational apps
Frequently asked questions
What are the best alternatives to LangSmith?
Based on category overlap and popularity, the top alternatives to LangSmith include: Klu (Collaborate on prompts, evaluate, and optimize LLM-powered Apps with Klu.); FinetuneDB (Capture production data, evaluate outputs collaboratively, and fine-tune your...); Hugging Face (The open-source AI platform with 500K+ models, inference endpoints, and fine-...); LLaMA-Factory (Open-source fine-tuning framework for 100+ LLMs with a web UI); Unsloth (Fine-tune LLMs up to 30x faster with 90% less memory usage). See all 64 alternatives compared on this page.
Is there a free alternative to LangSmith?
Yes. 55 alternatives to LangSmith offer a free tier or free trial: Klu, Hugging Face, LLaMA-Factory, Unsloth, OpenAI, TRL, and more. Use the comparison above to find the best fit for your use case.
Are there open-source alternatives to LangSmith?
Yes. 28 of the 64 alternatives to LangSmith listed here are open source: Hugging Face, LLaMA-Factory, Unsloth, TRL, Axolotl, Ludwig, and more. Open-source tools can be self-hosted for full control over data and infrastructure.
What is LangSmith?
LangSmith, part of LangChain, is a platform that provides tools for debugging, testing, evaluating, and managing prompts for LLM applications. It offers functionalities like nested traces for debugging, dataset curation for testing, application-level usage stats for monitoring, and a prompt playg... See 64 alternatives to LangSmith across 2 categories.
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