LangSmith
AI Agent & LLM Observability Platform
VS
P
Personal AI Memory
Locally captures, archives, and searches AI assistant conversations for private, instant recall.
Detailed comparison
Criteria
LangSmith
Personal AI Memory
Pricing
Freemium
Free
Plans & pricing
Developer: Free, Team: $39/mo, Enterprise: Custom
—
Free trial
No
—
Audience
b2b
B2C
Platforms
Web
—
API
Yes
—
Open Source
Proprietary
—
Integrations
Pagerduty
—
Categories
Data Science, Dev Tools
AI Agents, Productivity, Dev Tools
Popularity
Very High
Low
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...
Personal AI Memory is a silent, local-first Chrome extension that automatically captures and archives web-based AI assistant conversations from platfo...
Pricing
LangSmith
Freemium
Personal AI Memory
Free
Plans & pricing
LangSmith
Developer: Free, Team: $39/mo, Enterprise: Custom
Personal AI Memory
—
Free trial
LangSmith
No
Personal AI Memory
—
Audience
LangSmith
b2b
Personal AI Memory
B2C
Platforms
LangSmith
Web
Personal AI Memory
—
API
LangSmith
Yes
Personal AI Memory
—
Open Source
LangSmith
Proprietary
Personal AI Memory
—
Integrations
LangSmith
Pagerduty
Personal AI Memory
—
Categories
LangSmith
Data Science, Dev Tools
Personal AI Memory
AI Agents, Productivity, Dev Tools
Popularity
LangSmith
Very High
Personal AI Memory
Low
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...
Personal AI Memory
Personal AI Memory is a silent, local-first Chrome extension that automatically captures and archives web-based AI assistant conversations from platfo...
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
Personal AI Memory
Automatic Archiving
100% Local Privacy
Full-Text Search/Instant Recall
Offline Access
Key differentiators
LangSmith
- Complete AI agent & LLM observability
- Real-time tracing, debugging & evals
- Cost, latency & trajectory monitoring
Personal AI Memory
Other comparisons
FAQ: LangSmith vs Personal AI Memory
LangSmith: AI Agent & LLM Observability Platform. Personal AI Memory: Locally captures, archives, and searches AI assistant conversations for private, instant recall.. Both tools take different approaches to address similar needs.
Both offer a free or freemium plan. LangSmith is freemium and Personal AI Memory is free.
The best choice between LangSmith and Personal AI Memory 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.
LangSmith is primarily designed for individuals, while Personal AI Memory is built for individuals.
LangSmith offers: Cost tracking, Online LLM-as-judge and code evals, Tool and agent trajectory monitoring, Webhook and Pagerduty alerts. Personal AI Memory offers: Automatic Archiving, 100% Local Privacy, Full-Text Search/Instant Recall, Offline Access.
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.