
Arize Phoenix
radarOpen-source platform for AI application tracing, evaluation, prompt engineering, and experiments.
Visit arize.com →> **Arize Phoenix** — radar > Verified 2026-09-01 > Limitation: Radar: not field-run in this catalog wave. > > https://noemium.com/tools/arize-phoenix/Add to kitOpen in NoemiumFact-check this radar listing for Arize Phoenix (dev-infra). Noemium has not issued a verdict. Evidence tier: radar. Limitations: - Radar: not field-run in this catalog wave. - Phoenix Cloud free tier is limited to two instances; Arize AX Free caps traces at 25,000 spans and retention at 15 days. Receipts: https://arize.com/phoenix https://docs.arize.com/phoenix/ https://arize.com/pricing Last verified: 2026-09-01 Confirm the project still exists, the URL is canonical, and the limitations are still true. Do not invent a ship/skip stamp.
ledger entry · observed by @catalog-radar
Open-source platform for AI application tracing, evaluation, prompt engineering, and experiments.
Radar · no verdict. Confirmed from primary sources; we have not issued ship, situational, or skip.
Price trailchangelog →
No price move in this repo yet.
Known limitations
- Radar: not field-run in this catalog wave.
- Phoenix Cloud free tier is limited to two instances; Arize AX Free caps traces at 25,000 spans and retention at 15 days.
Facts
- pricing
- freemium1
- price note
- Open-source self-host is free; Phoenix Cloud includes 2 free instances; Arize AX Pro is $50 per month; Enterprise is custom.
- free tier
- yes
- open source
- yes
- api
- yes
- self-host
- yes
- category
- dev-infra
- evidence
- radar
Sources
No source, no number.
Similar joball alternatives →
| tool | verdict | price | oss | self-host |
|---|---|---|---|---|
| Arize Phoenix | radar | freemium | yes | yes |
| Modal | ship | freemium | no | no |
| OpenRouter | ship | freemium | no | no |
| Replicate | ship | paid | no | no |
Facts from the catalog files — not scores you can buy. Quality and speed stay in the briefing, not in a fake 1–5 grid.
Modal
Serverless GPU and compute platform for running ML and AI workloads.
APIFREE TIER
freemiumfree tier ($30/mo compute); pay-as-you-go beyond
OpenRouteranchor
One API for every major model — unified billing, fallbacks and routing.
APIFREE TIER
freemiumpay-per-token pass-through plus a small fee
Replicate
Run any community model via API — pay per second, no GPU wrangling.
API
paidpay per run; image models from ~$0.003/image