LangSmith
AI Agent & LLM Observability Platform
VS
Tabby
The open-source, self-hosted AI coding assistant
Detailed comparison
Criteria
LangSmith
Tabby
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
Dev Tools
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...
An open-source, self-hosted alternative to GitHub Copilot that provides developers with powerful AI-driven code completion while ensuring complete dat...
Pricing
LangSmith
Freemium
Tabby
Freemium
Plans & pricing
LangSmith
Developer: Free, Team: $39/mo, Enterprise: Custom
Tabby
—
Free trial
LangSmith
No
Tabby
—
Audience
LangSmith
b2b
Tabby
b2b
Platforms
LangSmith
Web
Tabby
—
API
LangSmith
Yes
Tabby
—
Open Source
LangSmith
Proprietary
Tabby
—
Integrations
LangSmith
Pagerduty
Tabby
—
Categories
LangSmith
Data Science, Dev Tools
Tabby
Dev Tools
Popularity
LangSmith
Very High
Tabby
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...
Tabby
An open-source, self-hosted alternative to GitHub Copilot that provides developers with powerful AI-driven code completion while ensuring complete dat...
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
Tabby
Self-hosted infrastructure
IDE integrations for VS Code and JetBrains
Private and secure data handling
Support for multiple LLMs
Enterprise-grade security
Key differentiators
LangSmith
- Complete AI agent & LLM observability
- Real-time tracing, debugging & evals
- Cost, latency & trajectory monitoring
Tabby
Other comparisons
FAQ: LangSmith vs Tabby
LangSmith: AI Agent & LLM Observability Platform. Tabby: The open-source, self-hosted AI coding assistant. Both tools take different approaches to address similar needs.
Both offer a free or freemium plan. LangSmith is freemium and Tabby is freemium.
The best choice between LangSmith and Tabby 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. Tabby offers: Self-hosted infrastructure, IDE integrations for VS Code and JetBrains, Private and secure data handling, Support for multiple LLMs.
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.