Keploy
Automated test generation for developers
VS
LangSmith
AI Agent & LLM Observability Platform
Detailed comparison
Criteria
Keploy
LangSmith
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
Dev & Tech, information technology & services, Test automation
Dev & Tech, information technology & services, Apps
Popularity
High
Very High
Description
Keploy is an open-source testing platform that generates test cases and data mocks from real API traffic. It captures interactions with dependencies s...
LangSmith is a complete AI agent and LLM observability platform. It offers tracing and real-time monitoring to help developers debug agents, find fail...
Pricing
Keploy
Freemium
LangSmith
Freemium
Plans & pricing
Keploy
—
LangSmith
Developer: Free, Team: $39/mo, Enterprise: Custom
Free trial
Keploy
—
LangSmith
No
Audience
Keploy
b2b
LangSmith
b2b
Platforms
Keploy
—
LangSmith
Web
API
Keploy
—
LangSmith
Yes
Open Source
Keploy
—
LangSmith
Proprietary
Integrations
Keploy
—
LangSmith
Pagerduty
Categories
Keploy
Dev & Tech, information technology & services, Test automation
LangSmith
Dev & Tech, information technology & services, Apps
Popularity
Keploy
High
LangSmith
Very High
Description
Keploy
Keploy is an open-source testing platform that generates test cases and data mocks from real API traffic. It captures interactions with dependencies s...
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...
Features
Keploy
Automatic test case generation
Mocking of external dependencies
Record and replay functionality
eBPF-based traffic interception
Seamless CI/CD integration
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
Key differentiators
Keploy
LangSmith
- Complete AI agent & LLM observability
- Real-time tracing, debugging & evals
- Cost, latency & trajectory monitoring
Other comparisons
FAQ: Keploy vs LangSmith
Keploy: Automated test generation for developers. LangSmith: AI Agent & LLM Observability Platform. Both tools take different approaches to address similar needs.
Both offer a free or freemium plan. Keploy is freemium and LangSmith is freemium.
The best choice between Keploy and LangSmith 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.
Keploy offers: Automatic test case generation, Mocking of external dependencies, Record and replay functionality, eBPF-based traffic interception. LangSmith offers: Cost tracking, Online LLM-as-judge and code evals, Tool and agent trajectory monitoring, Webhook and Pagerduty alerts.
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.