Cognee
AI memory engine
VS
LangSmith
AI Agent & LLM Observability Platform
Detailed comparison
Criteria
Cognee
LangSmith
Pricing
Freemium
Freemium
Plans & pricing
Free: Free, Individual Developer: $35/mo, Enterprise: Custom
Developer: Free, Team: $39/mo, Enterprise: Custom
Free trial
No
No
Audience
b2b
b2b
Platforms
Web
Web
API
Yes
Yes
Open Source
Open Source
Proprietary
Integrations
—
Pagerduty
Categories
Dev & Tech, information technology & services, LLM development
Dev & Tech, information technology & services, Apps
Popularity
Very High
Very High
Description
Cognee is an open-source AI memory engine designed to help users find hidden connections in their data and improve their AI infrastructure. It functio...
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
Cognee
Freemium
LangSmith
Freemium
Plans & pricing
Cognee
Free: Free, Individual Developer: $35/mo, Enterprise: Custom
LangSmith
Developer: Free, Team: $39/mo, Enterprise: Custom
Free trial
Cognee
No
LangSmith
No
Audience
Cognee
b2b
LangSmith
b2b
Platforms
Cognee
Web
LangSmith
Web
API
Cognee
Yes
LangSmith
Yes
Open Source
Cognee
Open Source
LangSmith
Proprietary
Integrations
Cognee
—
LangSmith
Pagerduty
Categories
Cognee
Dev & Tech, information technology & services, LLM development
LangSmith
Dev & Tech, information technology & services, Apps
Popularity
Cognee
Very High
LangSmith
Very High
Description
Cognee
Cognee is an open-source AI memory engine designed to help users find hidden connections in their data and improve their AI infrastructure. It functio...
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
Cognee
Open-source AI memory engine
Finds hidden connections in data
Transforms data into a living knowledge graph
Learns from feedback
Executes multi-step tasks with explanations
Improves AI infrastructure
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
Cognee
- Open-source AI memory engine
- Transforms data into living knowledge graph
- Executes multi-step tasks with explanations
LangSmith
- Complete AI agent & LLM observability
- Real-time tracing, debugging & evals
- Cost, latency & trajectory monitoring
Other comparisons
FAQ: Cognee vs LangSmith
Cognee: AI memory engine. LangSmith: AI Agent & LLM Observability Platform. Both tools take different approaches to address similar needs.
Both offer a free or freemium plan. Cognee is freemium and LangSmith is freemium.
The best choice between Cognee 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.
Cognee offers: Open-source AI memory engine, Finds hidden connections in data, Transforms data into a living knowledge graph, Learns from feedback. 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.