Arize AX Free

Arize AX is an AI observability and evaluation platform. Its AX Free plan is free with no credit card, with 25k trace spans a month and 15 days of retention.

Arize AIUpdated monthly · checked 22 h ago

Arize AX Free is an AI and ML perk from Arize AI, offering a free plan (25K spans a month), with no funding required.

Value: Free plan
Who qualifies: No funding needed
Benefit type: Free plan
Terms: Verified

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While you apply

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What you get

Inside Arize AX Free

The AX Free plan is for builders and includes 25k spans per month, 1 GB of ingestion per month, 10 issues per month, 15 days of retention, unlimited users and unlimited evals. AX Pro is $50 per month with 50k spans, 10 GB of ingestion and 30 days of retention. The pricing page also notes that startup pricing is available.

Source: The provider's official program page

Eligibility

Who it's for

Free plan Any startup

Funding / backing: No funding needed
Geography: Global
Recurring / expiry: Free plan with no time limit.
Other requirements: The AX Free plan is SaaS only, with 15 days of retention. Startup pricing is described on the Arize for Startups page.

How to claim

How to apply for Arize AX Free

Steps to apply

1Click Start for free on arize.com/pricing.

Good to know: Plans read on arize.com/pricing on October 28, 2026.

Apply at Arize AI

Source: The provider's official program page

Value is the headline maximum Arize AI advertises. What your company actually receives depends on your eligibility and how you use the program, and terms can change. A comparison, not endorsed by the programs listed. A link labeled as a referral link may earn us a commission, and a program labeled Same owner comes from the company that runs StartupPerks. Confirm current terms on the provider's page.

Questions

Arize AX Free: common questions

Is Arize AI free?

Yes, Arize AI can be used for free. Free plan (25K spans a month). As stated on Arize AI's own page, linked on this page.

Who qualifies for Arize AX Free?

Arize AX Free is open to any startup, with no funding required. The AX Free plan is SaaS only, with 15 days of retention. Startup pricing is described on the Arize for Startups page.

Do I need to be VC-backed or in an accelerator to get Arize AX Free?

No. Arize AX Free is open to any startup that meets the stated criteria, no investor or accelerator backing required.

How do I apply for Arize AX Free?

Click Start for free on arize.com/pricing.

How long do I have to use Arize AX Free, and does it expire?

Free plan with no time limit.

Is Arize AX Free available outside the US?

Arize AX Free is available globally, subject to the provider's terms.

Free LLM observability, comparedArize AX's free plan next to every other free LLM observability toolWhat each LLM observability tool gives you free today, its main limit and what the first paid plan costs, read from each tool's own page.