LangSmith
AI Agent & LLM Observability Platform
VS
Perplexity Comet
AI-powered browser for agentic, conversational web research and task automation.
Detailed comparison
Criteria
LangSmith
Perplexity Comet
Pricing
Freemium
Freemium
Plans & pricing
Developer: Free, Team: $39/mo, Enterprise: Custom
Free Plan: Free, Perplexity Pro: $16.67/mo, Perplexity Max: $166.67/mo, Education Pro: $5/mo, Enterprise Pro: $33.33/mo, Enterprise Max: $270.83/mo, Perplexity Comet: Free, Comet Plus: $5/mo
Free trial
No
No
Audience
b2b
b2c
Platforms
Web
Desktop
API
Yes
No
Open Source
Proprietary
Proprietary
Integrations
Pagerduty
—
Categories
Dev & Tech, information technology & services, Apps
Dev & Tech, Browsing
Popularity
Very High
Very 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...
Perplexity Comet is an AI-powered web browser built on Chromium, integrating Perplexity's AI search engine and assistant for an agentic browsing exper...
Pricing
LangSmith
Freemium
Perplexity Comet
Freemium
Plans & pricing
LangSmith
Developer: Free, Team: $39/mo, Enterprise: Custom
Perplexity Comet
Free Plan: Free, Perplexity Pro: $16.67/mo, Perplexity Max: $166.67/mo, Education Pro: $5/mo, Enterprise Pro: $33.33/mo, Enterprise Max: $270.83/mo, Perplexity Comet: Free, Comet Plus: $5/mo
Free trial
LangSmith
No
Perplexity Comet
No
Audience
LangSmith
b2b
Perplexity Comet
b2c
Platforms
LangSmith
Web
Perplexity Comet
Desktop
API
LangSmith
Yes
Perplexity Comet
No
Open Source
LangSmith
Proprietary
Perplexity Comet
Proprietary
Integrations
LangSmith
Pagerduty
Perplexity Comet
—
Categories
LangSmith
Dev & Tech, information technology & services, Apps
Perplexity Comet
Dev & Tech, Browsing
Popularity
LangSmith
Very High
Perplexity Comet
Very 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...
Perplexity Comet
Perplexity Comet is an AI-powered web browser built on Chromium, integrating Perplexity's AI search engine and assistant for an agentic browsing exper...
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
Perplexity Comet
Integrated AI Assistant for web research & task automation
Agentic Capabilities for multi-step workflows
Multi-Model AI System ("Perplexity Computer")
Context Awareness & Tab Integration
Voice Browsing
Cited Answers
Key differentiators
LangSmith
- Complete AI agent & LLM observability
- Real-time tracing, debugging & evals
- Cost, latency & trajectory monitoring
Perplexity Comet
- Agentic AI-powered web browser
- Multi-model AI for enhanced accuracy
Other comparisons
FAQ: LangSmith vs Perplexity Comet
LangSmith: AI Agent & LLM Observability Platform. Perplexity Comet: AI-powered browser for agentic, conversational web research and task automation.. Both tools take different approaches to address similar needs.
Both offer a free or freemium plan. LangSmith is freemium and Perplexity Comet is freemium.
The best choice between LangSmith and Perplexity Comet 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 Perplexity Comet is built for individuals.
LangSmith offers: Cost tracking, Online LLM-as-judge and code evals, Tool and agent trajectory monitoring, Webhook and Pagerduty alerts. Perplexity Comet offers: Integrated AI Assistant for web research & task automation, Agentic Capabilities for multi-step workflows, Multi-Model AI System ("Perplexity Computer"), Context Awareness & Tab Integration.
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.