LangSmith
AI Agent & LLM Observability Platform
VS
Zelma
Unlock insights from US education data with AI
Detailed comparison
Criteria
LangSmith
Zelma
Pricing
Freemium
Free
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
research, Specialized Technologies, Educational data analysis
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...
Zelma is an AI-powered data exploration tool designed to help researchers, policymakers, and educators visualize and analyze US school performance and...
Pricing
LangSmith
Freemium
Zelma
Free
Plans & pricing
LangSmith
Developer: Free, Team: $39/mo, Enterprise: Custom
Zelma
—
Free trial
LangSmith
No
Zelma
—
Audience
LangSmith
b2b
Zelma
b2b
Platforms
LangSmith
Web
Zelma
—
API
LangSmith
Yes
Zelma
—
Open Source
LangSmith
Proprietary
Zelma
—
Integrations
LangSmith
Pagerduty
Zelma
—
Categories
LangSmith
Data Science, Dev Tools
Zelma
research, Specialized Technologies, Educational data analysis
Popularity
LangSmith
Very High
Zelma
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...
Zelma
Zelma is an AI-powered data exploration tool designed to help researchers, policymakers, and educators visualize and analyze US school performance and...
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
Zelma
Natural language data querying
Visualization of state and national assessment trends
Longitudinal student performance tracking
Demographic equity gap analysis
Instant report generation
Key differentiators
LangSmith
- Complete AI agent & LLM observability
- Real-time tracing, debugging & evals
- Cost, latency & trajectory monitoring
Zelma
Other comparisons
FAQ: LangSmith vs Zelma
LangSmith: AI Agent & LLM Observability Platform. Zelma: Unlock insights from US education data with AI. Both tools take different approaches to address similar needs.
Both offer a free or freemium plan. LangSmith is freemium and Zelma is free.
The best choice between LangSmith and Zelma 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. Zelma offers: Natural language data querying, Visualization of state and national assessment trends, Longitudinal student performance tracking, Demographic equity gap analysis.
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.