# Arize AI: AX Free: 25k trace spans and 1 GB ingestion per month, 15-day retention, unlimited users

> Markdown copy of https://perq.sh/offers/arize-ax-free. Index of every page for agents: https://perq.sh/llms.txt. Search API and MCP server: https://perq.sh/agents.

- Status: live
- Category: Observability & analytics
- Offer type: free tier
- Credit value: AX Free: 25k trace spans and 1 GB ingestion per month, 15-day retention, unlimited users
- Eligibility: Anyone; no credit card required
- How to claim: Sign up for Arize AX Free ('Start for free' on the pricing page).
- Claim URL: https://arize.com/pricing/
- Source URL: https://arize.com/pricing/
- Last verified: 2026-10-27T06:07:08-04:00 (Oct 27, 2026, 6:07 AM ET), HTTP 200
- Notes: Per the page the free plan includes 'Trace spans 25k spans per month', 'Ingestion volume 1 GB per month', 'Retention 15 days', 'Users Unlimited' and 'Evals Unlimited'. Phoenix, Arize's open-source tool, is also free to self-host.

> Source quote (verbatim from the source page):
> "AX Free For builders Free Start for free No credit card required"

Page: https://perq.sh/offers/arize-ax-free