LangSmith
AI Agent & LLM Observability Platform
VS
Thinking Machines Lab
Democratizing AI with understandable, customizable, and collaborative multimodal intelligence systems.
Detailed comparison
Criteria
LangSmith
Thinking Machines Lab
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, information technology & services, Apps
AI & ML, Dev & Tech
Popularity
Very High
Moderate
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...
Thinking Machines Lab is an AI research and product company dedicated to democratizing AI by making systems more understandable, customizable, and cap...
Pricing
LangSmith
Freemium
Thinking Machines Lab
Freemium
Plans & pricing
LangSmith
Developer: Free, Team: $39/mo, Enterprise: Custom
Thinking Machines Lab
—
Free trial
LangSmith
No
Thinking Machines Lab
—
Audience
LangSmith
b2b
Thinking Machines Lab
B2B
Platforms
LangSmith
Web
Thinking Machines Lab
—
API
LangSmith
Yes
Thinking Machines Lab
—
Open Source
LangSmith
Proprietary
Thinking Machines Lab
—
Integrations
LangSmith
Pagerduty
Thinking Machines Lab
—
Categories
LangSmith
Dev & Tech, information technology & services, Apps
Thinking Machines Lab
AI & ML, Dev & Tech
Popularity
LangSmith
Very High
Thinking Machines Lab
Moderate
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...
Thinking Machines Lab
Thinking Machines Lab is an AI research and product company dedicated to democratizing AI by making systems more understandable, customizable, and cap...
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
Thinking Machines Lab
Open Science and Collaboration
Human-AI Collaboration for creative partnership
Advanced Multimodal AI Capabilities
Tinker API for efficient model fine-tuning
Key differentiators
LangSmith
- Complete AI agent & LLM observability
- Real-time tracing, debugging & evals
- Cost, latency & trajectory monitoring
Thinking Machines Lab
Other comparisons
FAQ: LangSmith vs Thinking Machines Lab
LangSmith: AI Agent & LLM Observability Platform. Thinking Machines Lab: Democratizing AI with understandable, customizable, and collaborative multimodal intelligence systems.. Both tools take different approaches to address similar needs.
Both offer a free or freemium plan. LangSmith is freemium and Thinking Machines Lab is freemium.
The best choice between LangSmith and Thinking Machines Lab 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.
LangSmith is primarily designed for individuals, while Thinking Machines Lab is built for businesses and professionals.
LangSmith offers: Cost tracking, Online LLM-as-judge and code evals, Tool and agent trajectory monitoring, Webhook and Pagerduty alerts. Thinking Machines Lab offers: Open Science and Collaboration, Human-AI Collaboration for creative partnership, Advanced Multimodal AI Capabilities, Tinker API for efficient model fine-tuning.
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.