LangSmith
AI Agent & LLM Observability Platform
VS
Weaviate
The AI database developers love
Detailed comparison
Criteria
LangSmith
Weaviate
Pricing
Freemium
Freemium
Plans & pricing
Developer: Free, Team: $39/mo, Enterprise: Custom
Open Source: Free, Flex: $45/mo, Premium: $400/mo, Enterprise: Custom
Free trial
No
Yes
Audience
b2b
b2b
Platforms
Web
Web, Api, Cli
API
Yes
Yes
Open Source
Proprietary
Open Source
Integrations
Pagerduty
—
Categories
Dev & Tech, information technology & services, Apps
Dev & Tech, information technology & services, Vector databases
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...
Weaviate is an open-source AI database and vector database designed for developers. It helps bring AI-native applications to life with less hallucinat...
Pricing
LangSmith
Freemium
Weaviate
Freemium
Plans & pricing
LangSmith
Developer: Free, Team: $39/mo, Enterprise: Custom
Weaviate
Open Source: Free, Flex: $45/mo, Premium: $400/mo, Enterprise: Custom
Free trial
LangSmith
No
Weaviate
Yes
Audience
LangSmith
b2b
Weaviate
b2b
Platforms
LangSmith
Web
Weaviate
Web, Api, Cli
API
LangSmith
Yes
Weaviate
Yes
Open Source
LangSmith
Proprietary
Weaviate
Open Source
Integrations
LangSmith
Pagerduty
Weaviate
—
Categories
LangSmith
Dev & Tech, information technology & services, Apps
Weaviate
Dev & Tech, information technology & services, Vector databases
Popularity
LangSmith
Very High
Weaviate
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...
Weaviate
Weaviate is an open-source AI database and vector database designed for developers. It helps bring AI-native applications to life with less hallucinat...
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
Weaviate
Vector Database
Weaviate Agents
Shared Cloud
Dedicated Cloud
Integrations
Key differentiators
LangSmith
- Complete AI agent & LLM observability
- Real-time tracing, debugging & evals
- Cost, latency & trajectory monitoring
Weaviate
- Open-source AI vector database
- Reduces hallucination & data leakage
- Shared & dedicated cloud deployments
Other comparisons
FAQ: LangSmith vs Weaviate
LangSmith: AI Agent & LLM Observability Platform. Weaviate: The AI database developers love. Both tools take different approaches to address similar needs.
Both offer a free or freemium plan. LangSmith is freemium and Weaviate is freemium.
The best choice between LangSmith and Weaviate 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. Weaviate offers: Vector Database, Weaviate Agents, Shared Cloud, Dedicated Cloud.
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.