Categories / Arize Phoenix
Arize Phoenix
Visit Website ↗Open-source, local-first tool for tracing, evaluating and improving LLM apps and agents, with a managed Arize AX cloud for teams.
Prices may change. These are correct as of 10 Nov 2026. Please confirm on the vendor's own page before you pay.
Verified. Phoenix itself is free. Arize AX is priced by spans and data volume with no per-seat charges.
Free plan
Free plan: 25,000 trace spans per month. Phoenix is free to self-host; Arize AX Free includes 25,000 spans a month.
Plans and prices (USD)
Swipe the table sideways to see what each plan includes.
| Plan | Billed monthly | Yearly, per month | What it includes |
|---|---|---|---|
| Phoenix (self-host) | $0 | not recorded |
|
| AX Free | $0 | not recorded |
|
| AX Pro per per month |
$50 | not recorded |
|
| AX Enterprise per custom quote |
not recorded | not recorded |
|
"Not recorded" means we did not find that price, not that it is free. Prices exclude tax and can differ by country.
Where it may fit
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Taken from what the vendor says the tool does. We have not tested it.
What to watch
- Phoenix licence limits offering it as a hosted service
- AX overage prices not listed
Sources
- Arize AX pricing (checked 10 Nov 2026)
- Arize AX pricing docs (checked 10 Nov 2026)
- Arize compare (checked 10 Nov 2026)
Open Arize Phoenix's own site · Report a mistake on this page