LangSmith
AI Agent & LLM Observability Platform
VS
Luminance
Legal-Grade™ AI Contract Management Platform
Detailed comparison
Criteria
LangSmith
Luminance
Pricing
Freemium
Enterprise
Plans & pricing
Developer: Free, Team: $39/mo, Enterprise: Custom
—
Free trial
No
—
Audience
b2b
b2b
Platforms
Web
Web
API
Yes
No
Open Source
Proprietary
Proprietary
Integrations
Pagerduty
—
Categories
Data Science, Dev Tools
Finance, AI Agents
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...
End-to-End AI for Every Contract Touchpoint. Luminance uses Legal-Grade™ Agents to Automate, Expedite & Enhance Contract Activity across your business...
Pricing
LangSmith
Freemium
Luminance
Enterprise
Plans & pricing
LangSmith
Developer: Free, Team: $39/mo, Enterprise: Custom
Luminance
—
Free trial
LangSmith
No
Luminance
—
Audience
LangSmith
b2b
Luminance
b2b
Platforms
LangSmith
Web
Luminance
Web
API
LangSmith
Yes
Luminance
No
Open Source
LangSmith
Proprietary
Luminance
Proprietary
Integrations
LangSmith
Pagerduty
Luminance
—
Categories
LangSmith
Data Science, Dev Tools
Luminance
Finance, AI Agents
Popularity
LangSmith
Very High
Luminance
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...
Luminance
End-to-End AI for Every Contract Touchpoint. Luminance uses Legal-Grade™ Agents to Automate, Expedite & Enhance Contract Activity across your business...
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
Luminance
AI-powered Contract Drafting
Automated Contract Negotiation
Legal Document Analysis
Regulatory Compliance Management
Contract Investigation
Collaborative Contract Workflows
Key differentiators
LangSmith
- Complete AI agent & LLM observability
- Real-time tracing, debugging & evals
- Cost, latency & trajectory monitoring
Luminance
- End-to-End AI for contract lifecycle
- Legal-Grade™ AI Agents
- Automates contract activity
Other comparisons
FAQ: LangSmith vs Luminance
LangSmith: AI Agent & LLM Observability Platform. Luminance: Legal-Grade™ AI Contract Management Platform. Both tools take different approaches to address similar needs.
LangSmith offers a freemium plan, while Luminance is a contact tool.
The best choice between LangSmith and Luminance 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. Luminance offers: AI-powered Contract Drafting, Automated Contract Negotiation, Legal Document Analysis, Regulatory Compliance Management.
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.