Phoenix
eDR49Effective DR: 49/100. Below median. Measured by StartupHub.ai. Median 68.Agent59Agent Readiness: 59/100. Top 25%. Measured by StartupHub.ai. Median 41.An open-source platform for tracing, evaluating, and debugging AI agents and LLM applications.
About
Phoenix is an open-source AI observability, evaluation, and experimentation platform developed by Arize AI. It provides end-to-end visibility into AI workflows, enabling developers to monitor, debug, and optimize Large Language Model (LLM), Retrieval Augmented Generation (RAG), and AI agent applications. Users can trace agent interactions, evaluate performance, debug issues, and run experiments to improve AI system quality.
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Key facts
At-a-glance profile data
- Website
- phoenix.arize.com
- Employees
- 247
- Total funding
- -
- Business model
- B2B
Tech stack
Detected on phoenix.arize.com, last scanned 18 Oct 2026. Run your own scan
- Frontend
- jQuery, Alpine.js, Tailwind CSS
- Analytics
- Google Tag Manager, Segment
- SEO
- Yoast SEO
- CMS / Builders
- WordPress
- CDN
- Cloudflare
- Video / media
- Vimeo
- Integration capability
- Slack, HubSpot, GitHub, Linear
Frequently asked
What is Phoenix's Effective Domain Rating?
StartupHub's Effective Domain Rating for Phoenix is 49 out of 100, measuring real cross-surface visibility in search engines and AI answers rather than claimed link authority. That is overrated against its Ahrefs Domain Rating of 78, meaning its claimed authority outpaces how often it actually surfaces in search and AI results.
Is Phoenix trustworthy and reputable?
StartupHub's Data Trust & Reputation score for Phoenix is 90 out of 100, a trusted rating, based on site security posture, privacy practices, malware and phishing checks, and public reputation signals.
How many employees does Phoenix have?
Phoenix has approximately 247 people on record.