kitio.aiArize AI vs Deepchecks
A side-by-side look at pricing plans, free tiers, features, pros and cons, updated for 2026. Arize AI starts at $50/mo and Deepchecks starts at See pricing page. Check both pricing pages for current plans.
At a glance
Best for
Category
Pricing model
Starting price
Free plan
Made by
Based in
Rating
Key features
- Arize Phoenix open source
- Agent tracing
- Online evaluations
- Drift monitoring
- Debugging copilot
- Version comparison
- Auto-scoring pipelines
- LLM judge creation
- Dataset generation
- CI/CD testing
- Production monitoring
| Feature | Arize AI | Deepchecks |
|---|---|---|
| Best for | AI observability and evaluation, plus the open-source Phoenix | LLM evaluation, testing and monitoring platform for production AI |
| Category | Models & APIs | Models & APIs |
| Pricing model | Freemium | Free trial |
| Starting price | $50/mo | See pricing page |
| Free plan | Yes | No, trial available |
| Made by | Arize AI | Deepchecks AI |
| Based in | United States | Israel |
| Rating | No ratings yet | No ratings yet |
| Key features |
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Pricing compared
Arize AI starts at $50/mo and Deepchecks starts at See pricing page. Check both pricing pages for current plans.
Free plan
Cheapest paid plan
Top plan
Free trial
3 plans
AX Free
Free
- 25k spans/month
- 1 GB ingestion/month
- 15 days retention
- Unlimited users
AX Pro
$50/mo
- 50k spans/month
- 10 GB ingestion/month
- 30 days retention
AX Enterprise
Contact sales
- Custom plans
Prices in USD, checked Oct 28, 2026 or later. Plans change often, so confirm on each tool's site before you buy.
Pros and cons
Arize AI
- Free open-source Phoenix
- Covers classic ML and LLMs
- Strong enterprise features
- AX costs rise with volume
- Two products can confuse
- Steeper setup than simple tools
Deepchecks
- Evaluation and monitoring in one place
- Private hosting option
- Available inside AWS SageMaker
- Prices not listed publicly
- Basic plan limited to one AI application
- Enterprise features need sales contact
Which one should you choose?
Choose Arize AI if you want:
- Free open-source Phoenix
- Covers classic ML and LLMs
- Strong enterprise features
Watch out: ax costs rise with volume.
Choose Deepchecks if you want:
- Evaluation and monitoring in one place
- Private hosting option
- Available inside AWS SageMaker
Watch out: prices not listed publicly.
Arize AI vs Deepchecks FAQ
What is the difference between Arize AI and Deepchecks?
Arize AI: AI observability and evaluation, plus the open-source Phoenix. Deepchecks: LLM evaluation, testing and monitoring platform for production AI. Both are models & apis tools.
Is Arize AI or Deepchecks cheaper?
Arize AI starts at $50/mo and Deepchecks starts at See pricing page. Check both pricing pages for current plans.
Do Arize AI and Deepchecks have free plans?
Arize AI: Yes. Deepchecks: No, trial available.
Who makes Arize AI?
Arize AI is made by Arize AI, based in United States.
Who makes Deepchecks?
Deepchecks is made by Deepchecks AI, based in Israel.
Which should I choose, Arize AI or Deepchecks?
Choose Arize AI if you value free open-source phoenix and covers classic ml and llms. Choose Deepchecks if you value evaluation and monitoring in one place and private hosting option.