LangSmith
AI Agent & LLM Observability Platform
VS
Voicebox
Meta's generative AI model for speech, not publicly available.
Detailed comparison
Criteria
LangSmith
Voicebox
Pricing
Freemium
Enterprise
Plans & pricing
Developer: Free, Team: $39/mo, Enterprise: Custom
—
Free trial
No
—
Audience
b2b
b2c
Platforms
Web
—
API
Yes
No
Open Source
Proprietary
Proprietary
Integrations
Pagerduty
—
Categories
Dev & Tech, information technology & services, Apps
Operations, Speech synthetization
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...
Voicebox is a state-of-the-art generative AI model developed by Meta for creating and manipulating natural-sounding speech. It demonstrates advanced c...
Pricing
LangSmith
Freemium
Voicebox
Enterprise
Plans & pricing
LangSmith
Developer: Free, Team: $39/mo, Enterprise: Custom
Voicebox
—
Free trial
LangSmith
No
Voicebox
—
Audience
LangSmith
b2b
Voicebox
b2c
Platforms
LangSmith
Web
Voicebox
—
API
LangSmith
Yes
Voicebox
No
Open Source
LangSmith
Proprietary
Voicebox
Proprietary
Integrations
LangSmith
Pagerduty
Voicebox
—
Categories
LangSmith
Dev & Tech, information technology & services, Apps
Voicebox
Operations, Speech synthetization
Popularity
LangSmith
Very High
Voicebox
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...
Voicebox
Voicebox is a state-of-the-art generative AI model developed by Meta for creating and manipulating natural-sounding speech. It demonstrates advanced c...
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
Voicebox
In-context text-to-speech synthesis
Speech editing and noise reduction
Cross-lingual style transfer (6 languages)
Diverse speech generation
Audio content preservation during editing
Key differentiators
LangSmith
- Complete AI agent & LLM observability
- Real-time tracing, debugging & evals
- Cost, latency & trajectory monitoring
Voicebox
- State-of-the-art generative speech AI
- Cross-lingual style transfer (6 languages)
- Advanced speech editing & noise reduction
Other comparisons
FAQ: LangSmith vs Voicebox
LangSmith: AI Agent & LLM Observability Platform. Voicebox: Meta's generative AI model for speech, not publicly available.. Both tools take different approaches to address similar needs.
LangSmith offers a freemium plan, while Voicebox is a contact tool.
The best choice between LangSmith and Voicebox 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 Voicebox is built for individuals.
LangSmith offers: Cost tracking, Online LLM-as-judge and code evals, Tool and agent trajectory monitoring, Webhook and Pagerduty alerts. Voicebox offers: In-context text-to-speech synthesis, Speech editing and noise reduction, Cross-lingual style transfer (6 languages), Diverse speech generation.
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.