LangSmith
AI Agent & LLM Observability Platform
VS
Notably
The smarter way to do qualitative research
Detailed comparison
Criteria
LangSmith
Notably
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
Data Science, Dev Tools
Productivity, Education
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...
Notably is an AI-powered research platform that helps teams collect, analyze, and share qualitative data. It streamlines the research process by autom...
Pricing
LangSmith
Freemium
Notably
Freemium
Plans & pricing
LangSmith
Developer: Free, Team: $39/mo, Enterprise: Custom
Notably
—
Free trial
LangSmith
No
Notably
—
Audience
LangSmith
b2b
Notably
b2b
Platforms
LangSmith
Web
Notably
—
API
LangSmith
Yes
Notably
—
Open Source
LangSmith
Proprietary
Notably
—
Integrations
LangSmith
Pagerduty
Notably
—
Categories
LangSmith
Data Science, Dev Tools
Notably
Productivity, Education
Popularity
LangSmith
Very High
Notably
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...
Notably
Notably is an AI-powered research platform that helps teams collect, analyze, and share qualitative data. It streamlines the research process by autom...
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
Notably
AI-powered transcription and translation
Thematic coding and tagging for qualitative data
Video highlight reel creation
Searchable research repository
Canvas for visual synthesis and mapping
Automated insight generation
Key differentiators
LangSmith
- Complete AI agent & LLM observability
- Real-time tracing, debugging & evals
- Cost, latency & trajectory monitoring
Notably
Other comparisons
FAQ: LangSmith vs Notably
LangSmith: AI Agent & LLM Observability Platform. Notably: The smarter way to do qualitative research. Both tools take different approaches to address similar needs.
Both offer a free or freemium plan. LangSmith is freemium and Notably is freemium.
The best choice between LangSmith and Notably 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. Notably offers: AI-powered transcription and translation, Thematic coding and tagging for qualitative data, Video highlight reel creation, Searchable research repository.
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.