HTTPie
AI-powered API development. Modern API platform for everyone.
VS
LangSmith
AI Agent & LLM Observability Platform
Detailed comparison
Criteria
HTTPie
LangSmith
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
Dev & Tech, AI tools for developper
Dev & Tech, information technology & services, Apps
Popularity
High
Very High
Description
HTTPie is a modern API platform offering a user-friendly interface for building, testing, and managing APIs. It features an AI Assistant for generatin...
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
HTTPie
Freemium
LangSmith
Freemium
Plans & pricing
HTTPie
—
LangSmith
Developer: Free, Team: $39/mo, Enterprise: Custom
Free trial
HTTPie
—
LangSmith
No
Audience
HTTPie
b2b
LangSmith
b2b
Platforms
HTTPie
—
LangSmith
Web
API
HTTPie
—
LangSmith
Yes
Open Source
HTTPie
—
LangSmith
Proprietary
Integrations
HTTPie
—
LangSmith
Pagerduty
Categories
HTTPie
Dev & Tech, AI tools for developper
LangSmith
Dev & Tech, information technology & services, Apps
Popularity
HTTPie
High
LangSmith
Very High
Description
HTTPie
HTTPie is a modern API platform offering a user-friendly interface for building, testing, and managing APIs. It features an AI Assistant for generatin...
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
HTTPie
AI Assistant for request generation, error explanation, and script writing
User-friendly GUI and CLI clients with cross-device sync
Team workspaces and cloud storage for API collaboration
Data Explorer for browsing and modifying API responses
Environment management for different deployment stages
Intuitive request builder with autocomplete
Comprehensive history and collections for organizing requests
Built-in support for various authentication methods
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
HTTPie
LangSmith
- Complete AI agent & LLM observability
- Real-time tracing, debugging & evals
- Cost, latency & trajectory monitoring
Other comparisons
FAQ: HTTPie vs LangSmith
HTTPie: AI-powered API development. Modern API platform for everyone.. LangSmith: AI Agent & LLM Observability Platform. Both tools take different approaches to address similar needs.
Both offer a free or freemium plan. HTTPie is freemium and LangSmith is freemium.
The best choice between HTTPie 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.
HTTPie offers: AI Assistant for request generation, error explanation, and script writing, User-friendly GUI and CLI clients with cross-device sync, Team workspaces and cloud storage for API collaboration, Data Explorer for browsing and modifying API responses. 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.