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 49 alternatives to LangSmith across 2 categories. Each tool listed below shares at least one category with LangSmith.
Top LangSmith alternatives at a glance
- Amazon Bedrock. Managed API access to foundation models on AWS with built-in fine-tuning and agent tooling
- Anyscale. Fast, cost-efficient, serverless APIs for LLM Serving and Fine Tuning
- Axolotl. Open-source toolkit for fine-tuning LLMs with a single YAML config across the full training pipeline
- fal. Build the next generation of creativity with fal. Lightning fast inference.
- FinetuneDB. Capture production data, evaluate outputs collaboratively, and fine-tune your LLM's performance
🧠 Fine-tuning
LLaMA-Factory
Open-source fine-tuning framework for 100+ LLMs with a web UI
torchtune
PyTorch-native library for fine-tuning LLMs on consumer and enterprise GPUs
TRL
Hugging Face library for training language models with RLHF, SFT, and DPO
Unsloth
Fine-tune LLMs up to 30x faster with 90% less memory usage
📊 Observability & Analytics
Agenta
Open-source prompt management, evaluation, and observability for LLM apps
Braintrust
Stop building AI in the dark.
Comet Opik
Comet provides an end-to-end model evaluation platform for AI developers.
Frequently asked questions
What are the best alternatives to LangSmith?
Based on category overlap and popularity, the top alternatives to LangSmith include: Amazon Bedrock (Managed API access to foundation models on AWS with built-in fine-tuning and ...); Anyscale (Fast, cost-efficient, serverless APIs for LLM Serving and Fine Tuning); Axolotl (Open-source toolkit for fine-tuning LLMs with a single YAML config across the...); fal (Build the next generation of creativity with fal. Lightning fast inference.); FinetuneDB (Capture production data, evaluate outputs collaboratively, and fine-tune your...). See all 49 alternatives compared on this page.
Is there a free alternative to LangSmith?
Yes. 39 alternatives to LangSmith offer a free tier or free trial: Amazon Bedrock, fal, Hugging Face, Klu, Lamini, LLaMA-Factory, and more. Use the comparison above to find the best fit for your use case.
Are there open-source alternatives to LangSmith?
Yes. 21 open-source alternatives to LangSmith are listed here: Axolotl, Hugging Face, LLaMA-Factory, Ludwig, torchtune, TRL, 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 49 alternatives to LangSmith across 2 categories.
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