LangSmith
AI Agent & LLM Observability Platform
VS
Vext
Build and deploy custom LLM applications in minutes
Detailed comparison
Criteria
LangSmith
Vext
Pricing
Freemium
Paid
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, Data Science
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...
Vext is a comprehensive low-code platform designed to simplify the creation and deployment of Large Language Model (LLM) applications. It enables busi...
Pricing
LangSmith
Freemium
Vext
Paid
Plans & pricing
LangSmith
Developer: Free, Team: $39/mo, Enterprise: Custom
Vext
—
Free trial
LangSmith
No
Vext
—
Audience
LangSmith
b2b
Vext
b2b
Platforms
LangSmith
Web
Vext
—
API
LangSmith
Yes
Vext
—
Open Source
LangSmith
Proprietary
Vext
—
Integrations
LangSmith
Pagerduty
Vext
—
Categories
LangSmith
Data Science, Dev Tools
Vext
No-Code, Data Science
Popularity
LangSmith
Very High
Vext
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...
Vext
Vext is a comprehensive low-code platform designed to simplify the creation and deployment of Large Language Model (LLM) applications. It enables busi...
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
Vext
Low-code workflow builder
Custom data source integration
Scalable API deployment
Key differentiators
LangSmith
- Complete AI agent & LLM observability
- Real-time tracing, debugging & evals
- Cost, latency & trajectory monitoring
Vext
Other comparisons
FAQ: LangSmith vs Vext
LangSmith: AI Agent & LLM Observability Platform. Vext: Build and deploy custom LLM applications in minutes. Both tools take different approaches to address similar needs.
LangSmith offers a freemium plan, while Vext is a paid tool.
The best choice between LangSmith and Vext 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. Vext offers: Low-code workflow builder, Custom data source integration, Scalable API deployment.
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.