LangSmith
AI Agent & LLM Observability Platform
VS
LeRobot
Open-source PyTorch library for real-world robot learning, lowering the barrier to entry.
Detailed comparison
Criteria
LangSmith
LeRobot
Pricing
Freemium
Free
Plans & pricing
Developer: Free, Team: $39/mo, Enterprise: Custom
—
Free trial
No
—
Audience
b2b
B2C
Platforms
Web
—
API
Yes
—
Open Source
Proprietary
—
Integrations
Pagerduty
—
Categories
Dev & Tech, information technology & services, Apps
Dev & Tech, AI & ML, Education
Popularity
Very High
Moderate
Description
LangSmith is a complete AI agent and LLM observability platform. It offers tracing and real-time monitoring to help developers debug agents, find fail...
LeRobot is an open-source PyTorch library that offers models, datasets, and tools for real-world robot learning and simulation. It aims to lower the b...
Pricing
LangSmith
Freemium
LeRobot
Free
Plans & pricing
LangSmith
Developer: Free, Team: $39/mo, Enterprise: Custom
LeRobot
—
Free trial
LangSmith
No
LeRobot
—
Audience
LangSmith
b2b
LeRobot
B2C
Platforms
LangSmith
Web
LeRobot
—
API
LangSmith
Yes
LeRobot
—
Open Source
LangSmith
Proprietary
LeRobot
—
Integrations
LangSmith
Pagerduty
LeRobot
—
Categories
LangSmith
Dev & Tech, information technology & services, Apps
LeRobot
Dev & Tech, AI & ML, Education
Popularity
LangSmith
Very High
LeRobot
Moderate
Description
LangSmith
LangSmith is a complete AI agent and LLM observability platform. It offers tracing and real-time monitoring to help developers debug agents, find fail...
LeRobot
LeRobot is an open-source PyTorch library that offers models, datasets, and tools for real-world robot learning and simulation. It aims to lower the b...
Features
LangSmith
Cost tracking
Online LLM-as-judge and code evals
Tool and agent trajectory monitoring
Webhook and Pagerduty alerts
Message threading for multi-turn chat interactions
Templates for error analysis
LeRobot
Pretrained policies and example configurations for various tasks.
Standardized dataset format (LeRobotDataset) and visualization tools.
End-to-end tooling for simulation, training, evaluation, and publishing to the Hugging Face Hub.
Implements state-of-the-art policies in pure PyTorch, covering Imitation Learning, Reinforcement Learning, and Vision-Language-Action (VLA) models.
Key differentiators
LangSmith
- Complete AI agent & LLM observability
- Real-time tracing, debugging & evals
- Cost, latency & trajectory monitoring
LeRobot
Other comparisons
FAQ: LangSmith vs LeRobot
LangSmith: AI Agent & LLM Observability Platform. LeRobot: Open-source PyTorch library for real-world robot learning, lowering the barrier to entry.. Both tools take different approaches to address similar needs.
Both offer a free or freemium plan. LangSmith is freemium and LeRobot is free.
The best choice between LangSmith and LeRobot depends on your specific needs. Compare their features, pricing, and target audience on this page to find the tool that best fits your use case.
LangSmith is primarily designed for individuals, while LeRobot is built for individuals.
LangSmith offers: Cost tracking, Online LLM-as-judge and code evals, Tool and agent trajectory monitoring, Webhook and Pagerduty alerts. LeRobot offers: Pretrained policies and example configurations for various tasks., Standardized dataset format (LeRobotDataset) and visualization tools., End-to-end tooling for simulation, training, evaluation, and publishing to the Hugging Face Hub., Implements state-of-the-art policies in pure PyTorch, covering Imitation Learning, Reinforcement Learning, and Vision-Language-Action (VLA) models..
Based on our data, LangSmith currently enjoys greater popularity. However, popularity isn't the only factor — compare features to find the right tool for your needs.