Plans and prices
| Plan | Price | Includes |
|---|---|---|
| AX Free | 0 USD / month | 10 issues per month, 25k trace spans per month, 1 GB ingestion, 15 days retention, SaaS |
| AX Pro | 50 USD / month | 25 issues per month, 50k trace spans per month, 10 GB ingestion, 30 days retention, SaaS |
Prices copied from Arize Phoenix pricing, checked October 12, 2026. Currency as shown by the vendor; taxes may apply.
Is there a free plan?
Yes, there is a free plan. Phoenix OSS is open source and can be run locally or self-hosted. AX Free includes 25k spans per month, 1 GB ingestion and 15 days retention, with unlimited users and evals.
Compared with alternatives
| Tool | Price from | Free plan | Category |
|---|---|---|---|
 Google AI Studio | 0,75 USD | ? | APIs & models |
 OpenAI Platform | 0,10 USD | ? | APIs & models |
 Helicone | 79 USD/mo | yes | APIs & models |
 Cartesia | 5 USD/mo | yes | APIs & models |
 Pinecone | 20 USD/mo | yes | APIs & models |
 Cerebras | 5 USD | trial | APIs & models |
FAQ
How much is Arize Phoenix per month?
The cheapest paid plan is 50 USD/mo.
Does Arize Phoenix have a free plan?
Yes, there is a free plan. Phoenix OSS is open source and can be run locally or self-hosted. AX Free includes 25k spans per month, 1 GB ingestion and 15 days retention, with unlimited users and evals.