kitio.aiArize AI vs Cekura
A side-by-side look at pricing plans, free tiers, features, pros and cons, updated for 2026. Arize AI has the lower starting price: about $50 a month, against $500 for Cekura.
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
- Simulated test conversations
- Production call monitoring
- Red-teaming
- Cross-platform benchmarks
- Automated prompt fixes
| Feature | Arize AI | Cekura |
|---|---|---|
| Best for | AI observability and evaluation, plus the open-source Phoenix | Testing and monitoring platform for voice and chat AI agents |
| Category | Models & APIs | Models & APIs |
| Pricing model | Freemium | Free trial |
| Starting price | $50/mo | $500/mo |
| Free plan | Yes | No, trial available |
| Made by | Arize AI | Cekura |
| Based in | United States | United States |
| Rating | No ratings yet | No ratings yet |
| Key features |
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Pricing compared
Arize AI has the lower starting price: about $50 a month, against $500 for Cekura.
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
3 plans
Pay as you go
$0.25 / testing minute
- $0.05 per monitored call
- 1 free seat
- 30-day log retention
Startup
$500/mo
- About 2,000 testing minutes
- About 10,000 monitored calls
- 10 seats and 5 projects
Enterprise
Custom
- Volume discounts
- Custom limits and retention
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
Cekura
- Covers testing and live monitoring
- Pay-as-you-go entry option
- Compares voice platforms side by side
- Startup plan costs $500 a month
- Extra seats cost $30 each
- Short log retention on pay as you go
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 Cekura if you want:
- Covers testing and live monitoring
- Pay-as-you-go entry option
- Compares voice platforms side by side
Watch out: startup plan costs $500 a month.
Arize AI vs Cekura FAQ
What is the difference between Arize AI and Cekura?
Arize AI: AI observability and evaluation, plus the open-source Phoenix. Cekura: Testing and monitoring platform for voice and chat AI agents. Both are models & apis tools.
Is Arize AI or Cekura cheaper?
Arize AI has the lower starting price: about $50 a month, against $500 for Cekura.
Do Arize AI and Cekura have free plans?
Arize AI: Yes. Cekura: No, trial available.
Who makes Arize AI?
Arize AI is made by Arize AI, based in United States.
Who makes Cekura?
Cekura is made by Cekura, based in United States.
Which should I choose, Arize AI or Cekura?
Choose Arize AI if you value free open-source phoenix and covers classic ml and llms. Choose Cekura if you value covers testing and live monitoring and pay-as-you-go entry option.