AI Tools · head to head
Arize AI vs Zeplin

Arize AI
AI Tools
AI engineering platform for observability and evaluation of agents and LLM apps
- From
- Free
- Rated
- -
The short version
- Each has a real cost: Arize AI the free plan caps trace spans at 25,000 per month with only 15 days of retention.; Zeplin the free plan is limited to 1 project and 100 screens and works only in a personal workspace
- They diverge on capability: Arize AI covers End-to-end tracing, Zeplin covers Design specs.
Where they differ
Only the attributes on which Arize AI and Zeplin actually diverge.
Identical on both: starting price (Free), free tier (Yes), user rating (Not yet rated).
What each one covers
Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.
Only in Arize AI
- End-to-end tracing
- Evaluation framework
- Prompt testing and improvement
- Alyx AI engineering agent
- Custom dashboards
- Data warehouse integrations
Only in Zeplin
- Design specs
- Asset export
- Code snippets
- Design tokens
- Comments
- Version control
- Handoff workflow
- Accessibility checks
What people use each for
The jobs each tool is most often brought in to do.
Arize AI
- Tracing and debugging production AI agentsnot Zeplin
- Running large-scale evaluations across traces and sessionsnot Zeplin
- Improving prompts before production rolloutnot Zeplin
- Storing and querying GenAI traces alongside a data warehousenot Zeplin
Zeplin
- Handing off design specs from Figma or Sketch to developersnot Arize AI
- Sharing screens, assets and style guides with an engineering teamnot Arize AI
- Reviewing and commenting on design versionsnot Arize AI
Where each one falls short
Documented limitations, not opinions. Every one is a constraint you would hit in normal use.
Arize AI
- The free plan caps trace spans at 25,000 per month with only 15 days of retention.
- Self-hosted deployment and Data Fabric integration are restricted to the custom-priced Enterprise tier.
- Pricing beyond the $50/month Pro plan requires a custom quote, making cost planning less transparent at scale.
- Advanced compliance features like HIPAA are only available on Enterprise.
Zeplin
- The free plan is limited to 1 project and 100 screens and works only in a personal workspace
- Free plan AI reviews are capped at 3 per week
- Role based permissions require the Advanced plan or higher
- Single sign on, multi factor authentication, activity logs and invoiced billing are Enterprise only
- Priority 24 hour support is Enterprise only
- Basic plan caps screens at 1,000 per project and is priced per project rather than per seat
- Enterprise pricing is by quote with no published rate
Pricing, plan by plan
Arize AI
Free- AX FreeFree
- 25k trace spans/month
- 1 GB storage/month
- 15-day retention
- AX Pro$50/month
- 50k trace spans/month
- 10 GB storage/month
- 30-day retention
- AX Enterprise$undefined/mo
- Custom trace spans, storage, and retention
- SaaS or self-hosted deployment
- Managed agents and Data Fabric
Zeplin
Free- FreeFree
- 1 project
- 1 workspace
- Basic specs
- Starter$19/month
- Unlimited projects
- Multiple workspaces
- Advanced specs
- Professional$49/month
- Everything in Starter
- Team collaboration
- Admin controls
Which should you pick?
Choose Arize AI if
- You need end-to-end tracing.
- You want to start without paying.
- You work on web, api.
- You also want evaluation framework.
Choose Zeplin if
- You need design specs.
- You want to start without paying.
- You work on Web, Desktop, Mobile.
- You also want asset export.
Questions people ask
- Is Arize AI or Zeplin better?
- Neither clearly leads. Arize AI starts at Free and Zeplin at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
- Which is cheaper, Arize AI or Zeplin?
- Arize AI starts at Free and Zeplin at Free.
- Does Arize AI or Zeplin run on more platforms?
- Arize AI runs on web, api. Zeplin runs on Web, Desktop, Mobile.
- Can I use Arize AI for free?
- Both have a free tier, so you can try either at no cost before committing.
- What is Arize AI best used for?
- Arize AI is most often used for tracing and debugging production ai agents, running large-scale evaluations across traces and sessions, improving prompts before production rollout, storing and querying genai traces alongside a data warehouse. Of those, tracing and debugging production ai agents and running large-scale evaluations across traces and sessions are not what Zeplin is typically brought in for.
- What can Arize AI do that Zeplin cannot?
- Arize AI covers End-to-end tracing, Evaluation framework, Prompt testing and improvement, Alyx AI engineering agent. Zeplin covers Design specs, Asset export, Code snippets, Design tokens.
Answered from the vendors’ own pages
Arize AI: What does Arize AX cost?
Arize AX offers a free plan, a Pro plan at $50/month, and a custom-priced Enterprise plan, with pricing based on trace spans, storage, and retention needs.
SourceArize AI: Is there a free plan, and what are its limits?
The AX Free plan includes 25,000 trace spans and 1 GB of storage per month with 15-day retention, plus unlimited users, evaluations, and experiments.
SourceArize AI: What deployment options are available?
Free and Pro plans are SaaS-only, while Enterprise customers can choose SaaS or self-hosted deployment with custom SLAs.
SourceRelated pages
Other head to heads
- Arize AI vs Pika
- Arize AI vs Anthropic API
- Arize AI vs D-ID
- Arize AI vs Fathom
- Arize AI vs Stable Diffusion
- Arize AI vs Perplexity
- Arize AI vs Black Forest Labs
- Arize AI vs Cartesia
- Arize AI vs Deepgram
- Arize AI vs Helicone
- Arize AI vs Ideogram
- Arize AI vs Jasper
- Arize AI vs PromptLayer
- Arize AI vs Resemble AI
- Arize AI vs Together AI
- Arize AI vs AI21 Labs
- Arize AI vs Copy.ai
- Arize AI vs HeyGen
- Arize AI vs Adobe Illustrator
- Arize AI vs Affinity Designer
- Arize AI vs Gravit Designer
- Arize AI vs Linearity Curve
- Arize AI vs ProtoPie
- Arize AI vs Playground AI
- Arize AI vs Corel Painter
- Arize AI vs Rive
- Arize AI vs Spline
- Arize AI vs Abstract
- Arize AI vs Balsamiq Wireframes
- Arize AI vs Krea
- Arize AI vs Magnific
- Arize AI vs Marvel
- Arize AI vs PaintTool SAI
- Arize AI vs Subframe
- Arize AI vs Vectr
- Zeplin vs Pika
- Zeplin vs Anthropic API
- Zeplin vs D-ID
- Zeplin vs Fathom
- Zeplin vs Stable Diffusion
- Zeplin vs Perplexity
- Zeplin vs Black Forest Labs
- Zeplin vs Cartesia
- Zeplin vs Deepgram
- Zeplin vs Helicone
- Zeplin vs Ideogram
- Zeplin vs Jasper
- Zeplin vs PromptLayer
- Zeplin vs Resemble AI
- Zeplin vs Together AI
- Zeplin vs AI21 Labs
- Zeplin vs Copy.ai
- Zeplin vs HeyGen
- Zeplin vs Adobe Illustrator
- Zeplin vs Affinity Designer
- Zeplin vs Gravit Designer
- Zeplin vs Linearity Curve
- Zeplin vs ProtoPie
- Zeplin vs Playground AI
- Zeplin vs Corel Painter
- Zeplin vs Rive
- Zeplin vs Spline
- Zeplin vs Abstract
- Zeplin vs Balsamiq Wireframes
- Zeplin vs Krea
- Zeplin vs Magnific
- Zeplin vs Marvel
- Zeplin vs PaintTool SAI
- Zeplin vs Subframe
- Zeplin vs Vectr

