Freemium
All-in-one productivity platform for tasks, docs, goals, and team collaboration
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Pricing
Freemium
Use cases
AI developers requiring a centralized gateway to analyze and monitor the performance of AI-powered features (verified: 2026-01-29), Engineering teams seeking to evaluate and observe production AI applications through a unified enterprise platform (verified: 2026-01-29), Software architects utilizing open-source tracing tools to accelerate the development and testing of AI agents (verified: 2026-01-29)
Strengths
The platform provides a dedicated developer gateway to analyze, evaluate, and monitor various AI-powered features (verified: 2026-01-29), Integration with Arize offers a unified observability and evaluation platform for managing enterprise-scale AI applications (verified: 2026-01-29), Users have access to open-source Phoenix for LLM tracing to assist in the evaluation and optimization of AI development (verified: 2026-01-29)
Limitations
The original Velvet service is no longer an independent entity following its acquisition by Arize in 2025 (verified: 2026-01-29), Access to the developer gateway and evaluation features requires the use of the Arize unified AI platform (verified: 2026-01-29)
Last verified
Jan 29, 2026
Strengths
- The platform provides a dedicated developer gateway to analyze, evaluate, and monitor various AI-powered features (verified: 2026-01-29)
- Integration with Arize offers a unified observability and evaluation platform for managing enterprise-scale AI applications (verified: 2026-01-29)
- Users have access to open-source Phoenix for LLM tracing to assist in the evaluation and optimization of AI development (verified: 2026-01-29)
Limitations
- The original Velvet service is no longer an independent entity following its acquisition by Arize in 2025 (verified: 2026-01-29)
- Access to the developer gateway and evaluation features requires the use of the Arize unified AI platform (verified: 2026-01-29)
FAQ
What is the current status of the Velvet platform and its original founding team?
Velvet was acquired by Arize in 2025. The founders, Emma and Chris, joined Arize to integrate their developer gateway into the Arize unified observability and evaluation platform for AI (verified: 2026-01-29).
What specific tools are available for developers to trace and evaluate their LLM applications?
Developers can use open-source Phoenix for LLM tracing and evaluation. This tool is designed to accelerate AI development by allowing users to evaluate, experiment, and optimize their AI applications (verified: 2026-01-29).
How does the acquisition by Arize affect the core functionality of the Velvet developer gateway?
The developer gateway is now part of the Arize platform. It continues to provide capabilities for analyzing and monitoring AI-powered features within a broader suite of observability and evaluation tools (verified: 2026-01-29).
