LangSmith
AI Agent & LLM Observability Platform
VS
Nyckel
Machine learning for any developer
Detailed comparison
Criteria
LangSmith
Nyckel
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
Data Science, Dev Tools
Popularity
Very High
High
Description
LangSmith is a comprehensive AI agent and LLM observability platform. It provides tracing and real-time monitoring to help developers debug agents, id...
An AutoML platform that allows developers to build, train, and deploy image and text classification models in minutes without needing data science exp...
Pricing
LangSmith
Freemium
Nyckel
Freemium
Plans & pricing
LangSmith
Developer: Free, Team: $39/mo, Enterprise: Custom
Nyckel
—
Free trial
LangSmith
No
Nyckel
—
Audience
LangSmith
b2b
Nyckel
b2b
Platforms
LangSmith
Web
Nyckel
—
API
LangSmith
Yes
Nyckel
—
Open Source
LangSmith
Proprietary
Nyckel
—
Integrations
LangSmith
Pagerduty
Nyckel
—
Categories
LangSmith
Data Science, Dev Tools
Nyckel
Data Science, Dev Tools
Popularity
LangSmith
Very High
Nyckel
High
Description
LangSmith
LangSmith is a comprehensive AI agent and LLM observability platform. It provides tracing and real-time monitoring to help developers debug agents, id...
Nyckel
An AutoML platform that allows developers to build, train, and deploy image and text classification models in minutes without needing data science exp...
Features
LangSmith
SDKs for Python, TypeScript, Go, and Java
Message threading for multi-turn chat interactions
Cost tracking
Online LLM-as-judge and code evals
Tool and agent trajectory monitoring
Webhook and Pagerduty alerts
Nyckel
Automated Image Classification
Text Classification
Real-time API Integration
Object Detection
Custom Model Training
Key differentiators
LangSmith
- Complete AI agent & LLM observability
- Real-time tracing, debugging & evals
- Cost, latency & trajectory monitoring
Nyckel
Other comparisons
FAQ: LangSmith vs Nyckel
LangSmith: AI Agent & LLM Observability Platform. Nyckel: Machine learning for any developer. Both tools take different approaches to address similar needs.
Both offer a free or freemium plan. LangSmith is freemium and Nyckel is freemium.
The best choice between LangSmith and Nyckel 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: SDKs for Python, TypeScript, Go, and Java, Message threading for multi-turn chat interactions, Cost tracking, Online LLM-as-judge and code evals. Nyckel offers: Automated Image Classification, Text Classification, Real-time API Integration, Object Detection.
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.