# Velvet

AI evaluation and observability platform for AI applications.

- Category: Developer Tools
- Pricing: Contact for pricing
- Tags: Machine Learning, DevOps Assistants
- Website: https://usevelvet.com/?via=aigregator
- Aigregator page: https://aigregator.com/tools/velvet
- API: https://x402.aigregator.com/v1/tools/velvet

## Overview
Velvet is an AI platform focused on evaluating, monitoring, and optimizing AI-powered features. Acquired by Arize in 2025, it provides tools for real-time evaluation, experimentation, and optimization of AI models. The platform includes open-source tools like Phoenix for large language model tracing and evaluation, and LiteLLM for model access, fallbacks, and spend tracking across over 100 LLMs, all compatible with the OpenAI format. Velvet aims to accelerate AI development and deployment through comprehensive observability and evaluation capabilities.
## Key Features
- Real-time AI evaluation and observability
- Open-source LLM tracing and evaluation (Phoenix)
- Model access, fallback, and spend tracking (LiteLLM)
- Integration with Arize enterprise platform

## Use Cases
- Monitoring and evaluating AI model performance in production.
- Tracing large language model interactions for debugging and optimization.
- Managing multiple AI models with fallback options and cost tracking.
- Accelerating AI development through evaluation tools.

## Who It Is For
- AI developers
- ML engineers
- AI operations teams (MLOps)
- Organizations deploying AI models at scale

## Pros
- Integrated platform with evaluation, observability, and model management
- Open-source tools available for flexibility
- Supports a wide range of models including over 100 LLMs
- Backed by Arize for enterprise solutions

## Cons
- Requires integration effort for existing workflows
- Limited direct end-user features, mainly for developers and engineers
- Some features may be complex for beginners

## Alternatives
- Weights & Biases
- Neptune.ai
- MLflow

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Source: Aigregator — AI tools directory. https://aigregator.com/tools/velvet