LangSmith
AI Agent & LLM Observability Platform
VS
VWO Testing
#1 A/B Testing application for websites, mobile apps, server-side, and more.
Detailed comparison
Criteria
LangSmith
VWO Testing
Pricing
Freemium
Paid
Plans & pricing
Developer: Free, Team: $39/mo, Enterprise: Custom
VWO Testing - Free: Free, VWO Testing - Growth (50K MTU): $314/mo, VWO Testing - Pro (100K MTU): $972/mo, VWO Testing - Enterprise: Custom, VWO Insights - Starter: Free, VWO Insights - Growth: $159/mo, VWO Insights - Enterprise: $886/mo, VWO Personalize - Growth: $295/mo
Free trial
No
Yes
Audience
b2b
b2b
Platforms
Web
Web, Ios, Android, Api
API
Yes
Yes
Open Source
Proprietary
Proprietary
Integrations
Pagerduty
—
Categories
Dev & Tech, information technology & services, Apps
Dev & Tech, information technology & services, No code AI tools
Popularity
Very High
Very 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...
VWO Testing, part of VWO Platform, helps you run A/B, split, multivariate, and feature tests. It enables optimization of user experience and increased...
Pricing
LangSmith
Freemium
VWO Testing
Paid
Plans & pricing
LangSmith
Developer: Free, Team: $39/mo, Enterprise: Custom
VWO Testing
VWO Testing - Free: Free, VWO Testing - Growth (50K MTU): $314/mo, VWO Testing - Pro (100K MTU): $972/mo, VWO Testing - Enterprise: Custom, VWO Insights - Starter: Free, VWO Insights - Growth: $159/mo, VWO Insights - Enterprise: $886/mo, VWO Personalize - Growth: $295/mo
Free trial
LangSmith
No
VWO Testing
Yes
Audience
LangSmith
b2b
VWO Testing
b2b
Platforms
LangSmith
Web
VWO Testing
Web, Ios, Android, Api
API
LangSmith
Yes
VWO Testing
Yes
Open Source
LangSmith
Proprietary
VWO Testing
Proprietary
Integrations
LangSmith
Pagerduty
VWO Testing
—
Categories
LangSmith
Dev & Tech, information technology & services, Apps
VWO Testing
Dev & Tech, information technology & services, No code AI tools
Popularity
LangSmith
Very High
VWO Testing
Very 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...
VWO Testing
VWO Testing, part of VWO Platform, helps you run A/B, split, multivariate, and feature tests. It enables optimization of user experience and increased...
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
VWO Testing
A/B Testing
Split Testing
Multivariate Testing
Feature Testing
Server-side Testing
Web & Mobile Optimization
Key differentiators
LangSmith
- Complete AI agent & LLM observability
- Real-time tracing, debugging & evals
- Cost, latency & trajectory monitoring
VWO Testing
- #1 A/B testing application
- Comprehensive A/B, split, multivariate, feature tests
- Optimize UX & boost conversion rates
Other comparisons
FAQ: LangSmith vs VWO Testing
LangSmith: AI Agent & LLM Observability Platform. VWO Testing: #1 A/B Testing application for websites, mobile apps, server-side, and more.. Both tools take different approaches to address similar needs.
LangSmith offers a freemium plan, while VWO Testing is a paid tool.
The best choice between LangSmith and VWO Testing 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. VWO Testing offers: A/B Testing, Split Testing, Multivariate Testing, Feature Testing.
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.