Arc
The AI-powered remote hiring platform
VS
LangSmith
AI Agent & LLM Observability Platform
Detailed comparison
Criteria
Arc
LangSmith
Pricing
Paid
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, staffing & recruiting, Developer recruiting
Dev & Tech, information technology & services, Apps
Popularity
High
Very High
Description
Arc is an AI-driven talent marketplace that helps companies find, vet, and hire top remote software engineers and developers globally, streamlining th...
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
Arc
Paid
LangSmith
Freemium
Plans & pricing
Arc
—
LangSmith
Developer: Free, Team: $39/mo, Enterprise: Custom
Free trial
Arc
—
LangSmith
No
Audience
Arc
b2b
LangSmith
b2b
Platforms
Arc
—
LangSmith
Web
API
Arc
—
LangSmith
Yes
Open Source
Arc
—
LangSmith
Proprietary
Integrations
Arc
—
LangSmith
Pagerduty
Categories
Arc
Dev & Tech, staffing & recruiting, Developer recruiting
LangSmith
Dev & Tech, information technology & services, Apps
Popularity
Arc
High
LangSmith
Very High
Description
Arc
Arc is an AI-driven talent marketplace that helps companies find, vet, and hire top remote software engineers and developers globally, streamlining th...
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
Arc
HireAI matching engine
Pre-vetted developer network
Instant candidate sourcing
Global compliance and payroll management
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
Arc
LangSmith
- Complete AI agent & LLM observability
- Real-time tracing, debugging & evals
- Cost, latency & trajectory monitoring
Other comparisons
FAQ: Arc vs LangSmith
Arc: The AI-powered remote hiring platform. LangSmith: AI Agent & LLM Observability Platform. Both tools take different approaches to address similar needs.
LangSmith offers a freemium plan, while Arc is a paid tool.
The best choice between Arc 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.
Arc offers: HireAI matching engine, Pre-vetted developer network, Instant candidate sourcing, Global compliance and payroll management. 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.