LangSmith
AI Agent & LLM Observability Platform
VS
Telnyx Flow
Build communication workflows with a visual drag-and-drop builder
Detailed comparison
Criteria
LangSmith
Telnyx Flow
Pricing
Freemium
Paid
Plans & pricing
Developer: Free, Team: $39/mo, Enterprise: Custom
Free: Free
Free trial
No
Yes
Audience
b2b
b2b
Platforms
Web
Web
API
Yes
Yes
Open Source
Proprietary
Proprietary
Integrations
Pagerduty
—
Categories
Dev & Tech, information technology & services, Apps
Dev & Tech, information technology & services, Workflow automation
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...
Telnyx Flow is a low-code workflow designer that allows developers and businesses to create, automate, and scale communication experiences for voice, ...
Pricing
LangSmith
Freemium
Telnyx Flow
Paid
Plans & pricing
LangSmith
Developer: Free, Team: $39/mo, Enterprise: Custom
Telnyx Flow
Free: Free
Free trial
LangSmith
No
Telnyx Flow
Yes
Audience
LangSmith
b2b
Telnyx Flow
b2b
Platforms
LangSmith
Web
Telnyx Flow
Web
API
LangSmith
Yes
Telnyx Flow
Yes
Open Source
LangSmith
Proprietary
Telnyx Flow
Proprietary
Integrations
LangSmith
Pagerduty
Telnyx Flow
—
Categories
LangSmith
Dev & Tech, information technology & services, Apps
Telnyx Flow
Dev & Tech, information technology & services, Workflow automation
Popularity
LangSmith
Very High
Telnyx Flow
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...
Telnyx Flow
Telnyx Flow is a low-code workflow designer that allows developers and businesses to create, automate, and scale communication experiences for voice, ...
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
Telnyx Flow
Visual drag-and-drop canvas
Multi-channel automation (Voice, SMS, WhatsApp)
Native AI and LLM integration
Real-time debugging and logs
Webhook and API integrations
Key differentiators
LangSmith
- Complete AI agent & LLM observability
- Real-time tracing, debugging & evals
- Cost, latency & trajectory monitoring
Telnyx Flow
- Low-code multi-channel communication automation
- Native AI and LLM integration for comms
- Visual drag-and-drop workflow designer
Other comparisons
FAQ: LangSmith vs Telnyx Flow
LangSmith: AI Agent & LLM Observability Platform. Telnyx Flow: Build communication workflows with a visual drag-and-drop builder. Both tools take different approaches to address similar needs.
LangSmith offers a freemium plan, while Telnyx Flow is a paid tool.
The best choice between LangSmith and Telnyx Flow 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. Telnyx Flow offers: Visual drag-and-drop canvas, Multi-channel automation (Voice, SMS, WhatsApp), Native AI and LLM integration, Real-time debugging and logs.
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.