Best LangSmith Alternatives in 2026
Looking for alternatives to LangSmith? We've compiled 20 similar AI tools with comparable features, so you can compare options and find the right fit. Top-rated picks include SambaNova Cloud, Meta AI, Hugging Face.
Top LangSmith Alternatives
- SambaNova Cloud (Freemium) Compare with LangSmith
- Meta AI (Free) — Meta's AI assistant powered by Llama Compare with LangSmith
- Hugging Face (Freemium) — The GitHub of AI — models, datasets, and spaces Compare with LangSmith
- Qwen2.5-VL (Free) Compare with LangSmith
- Together AI (Freemium) — Fast and affordable AI model inference API Compare with LangSmith
- Portkey AI (Freemium) — AI gateway for managing LLM reliability, routing, and observability. Compare with LangSmith
- Cerebras Inference (Freemium) Compare with LangSmith
- Braintrust (Freemium) — AI evaluation and prompt management platform Compare with LangSmith
- Veo 2 Google (Paid) — Google DeepMind AI video generation model with cinematic quality. Compare with LangSmith
- Falcon LLM (Free) — Falcon LLM is a powerful open-source large language model developed by the Technology Innovation Institute, offering competitive performance and free access for research and commercial use. Compare with LangSmith
- LiteLLM (Free) Compare with LangSmith
- Semantic Kernel (Free) — Microsoft open-source SDK for integrating LLMs into applications. Compare with LangSmith
- Groq (Freemium) — World's fastest LLM inference API Compare with LangSmith
- Humanloop (Freemium) Compare with LangSmith
- Cohere (Freemium) — Enterprise NLP platform with powerful language models Compare with LangSmith
- Vellum AI (Freemium) — AI development platform for building, testing, and deploying LLM workflows. Compare with LangSmith
- Mistral Le Chat (Freemium) — Mistral AI's conversational chat interface for fast, multilingual AI interactions. Compare with LangSmith
- NotDiamond (Freemium) Compare with LangSmith
- LlamaIndex (Free) — Data framework for building LLM applications with custom knowledge. Compare with LangSmith
- TrainMyAI (Paid) — Platform for training custom AI models on your proprietary data. Compare with LangSmith
Pricing Overview
Of the 20 LangSmith alternatives listed here, 17 offer free or freemium plans and 2 are paid tools. See free LangSmith alternatives.
Frequently Asked Questions
What are the best LangSmith alternatives?
Top LangSmith alternatives include SambaNova Cloud, Meta AI, Hugging Face. Browse all 20 options above to compare features and pricing.
Are there free alternatives to LangSmith?
Yes. Filter by "Free" or "Freemium" above — 17 free options are listed.
How do I choose between LangSmith alternatives?
Compare each tool's pricing, key features, and use-cases. Use the compare links above to see side-by-side breakdowns.