LangSmith
AI Agent & LLM Observability Platform
VS
Lobe
Train custom machine learning models. No code required.
Detailed comparison
Criteria
LangSmith
Lobe
Pricing
Freemium
Free
Plans & pricing
Developer: Free, Team: $39/mo, Enterprise: Custom
Free: Free, Enterprise: Custom
Free trial
No
No
Audience
b2b
b2c
Platforms
Web
Desktop
API
Yes
No
Open Source
Proprietary
Proprietary
Integrations
Pagerduty
—
Categories
Dev & Tech, information technology & services, Apps
Dev & Tech, No code AI tools
Popularity
Very High
High
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...
Lobe is a free, easy-to-use desktop application for macOS and Windows that helps anyone train custom machine learning models without writing any code....
Pricing
LangSmith
Freemium
Lobe
Free
Plans & pricing
LangSmith
Developer: Free, Team: $39/mo, Enterprise: Custom
Lobe
Free: Free, Enterprise: Custom
Free trial
LangSmith
No
Lobe
No
Audience
LangSmith
b2b
Lobe
b2c
Platforms
LangSmith
Web
Lobe
Desktop
API
LangSmith
Yes
Lobe
No
Open Source
LangSmith
Proprietary
Lobe
Proprietary
Integrations
LangSmith
Pagerduty
Lobe
—
Categories
LangSmith
Dev & Tech, information technology & services, Apps
Lobe
Dev & Tech, No code AI tools
Popularity
LangSmith
Very High
Lobe
High
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...
Lobe
Lobe is a free, easy-to-use desktop application for macOS and Windows that helps anyone train custom machine learning models without writing any code....
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
Lobe
Intuitive visual interface for model training
Collect and label image datasets easily
Automatic model training with no coding
Evaluate and refine model performance
Export models for deployment on various devices
Support for image classification tasks
Completely free desktop application
Key differentiators
LangSmith
- Complete AI agent & LLM observability
- Real-time tracing, debugging & evals
- Cost, latency & trajectory monitoring
Lobe
- No-code ML model training
- Intuitive visual interface
- Free desktop application
Other comparisons
FAQ: LangSmith vs Lobe
LangSmith: AI Agent & LLM Observability Platform. Lobe: Train custom machine learning models. No code required.. Both tools take different approaches to address similar needs.
Both offer a free or freemium plan. LangSmith is freemium and Lobe is free.
The best choice between LangSmith and Lobe 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 Lobe is built for individuals.
LangSmith offers: Cost tracking, Online LLM-as-judge and code evals, Tool and agent trajectory monitoring, Webhook and Pagerduty alerts. Lobe offers: Intuitive visual interface for model training, Collect and label image datasets easily, Automatic model training with no coding, Evaluate and refine model performance.
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.