LangSmith
AI Agent & LLM Observability Platform
VS
Puppetry
Build and run end-to-end tests for web applications without code.
Detailed comparison
Criteria
LangSmith
Puppetry
Pricing
Freemium
Freemium
Plans & pricing
Developer: Free, Team: $39/mo, Enterprise: Custom
—
Free trial
No
—
Audience
b2b
b2b
Platforms
Web
—
API
Yes
—
Open Source
Proprietary
—
Integrations
Pagerduty
—
Categories
Data Science, Dev Tools
No-Code, Dev 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...
Puppetry is a powerful visual editor that allows developers and QA engineers to create, run, and debug end-to-end tests for web applications using pop...
Pricing
LangSmith
Freemium
Puppetry
Freemium
Plans & pricing
LangSmith
Developer: Free, Team: $39/mo, Enterprise: Custom
Puppetry
—
Free trial
LangSmith
No
Puppetry
—
Audience
LangSmith
b2b
Puppetry
b2b
Platforms
LangSmith
Web
Puppetry
—
API
LangSmith
Yes
Puppetry
—
Open Source
LangSmith
Proprietary
Puppetry
—
Integrations
LangSmith
Pagerduty
Puppetry
—
Categories
LangSmith
Data Science, Dev Tools
Puppetry
No-Code, Dev Tools
Popularity
LangSmith
Very High
Puppetry
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...
Puppetry
Puppetry is a powerful visual editor that allows developers and QA engineers to create, run, and debug end-to-end tests for web applications using pop...
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
Puppetry
Visual Test Editor
No-code/Low-code Test Automation
Supports Puppeteer and Playwright
Integrated Debugging Tools
CI/CD Integration
Cloud and Self-Hosted Execution
Data-driven Testing
Comprehensive Test Reporting
Key differentiators
LangSmith
- Complete AI agent & LLM observability
- Real-time tracing, debugging & evals
- Cost, latency & trajectory monitoring
Puppetry
Other comparisons
FAQ: LangSmith vs Puppetry
LangSmith: AI Agent & LLM Observability Platform. Puppetry: Build and run end-to-end tests for web applications without code.. Both tools take different approaches to address similar needs.
Both offer a free or freemium plan. LangSmith is freemium and Puppetry is freemium.
The best choice between LangSmith and Puppetry 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.
Both are primarily designed for individuals. The choice depends on which specific features you need.
LangSmith offers: Cost tracking, Online LLM-as-judge and code evals, Tool and agent trajectory monitoring, Webhook and Pagerduty alerts. Puppetry offers: Visual Test Editor, No-code/Low-code Test Automation, Supports Puppeteer and Playwright, Integrated Debugging Tools.
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.