AI · head to head
Arize AI vs Otter.ai

Arize AI
AI
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.; Otter.ai two separate limits apply at once, a monthly minute allowance and a per conversation cap, so a long meeting can be cut short with allowance remaining
- They diverge on capability: Arize AI covers End-to-end tracing, Otter.ai covers Automatic transcription.
Where they differ
Only the attributes on which Arize AI and Otter.ai actually diverge.
Identical on both: starting price (Free), pricing model (freemium), 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 Otter.ai
- Automatic transcription
- Real-time transcription
- Speaker identification
- Searchable transcripts
- Highlights and summaries
- Sharing
- Mobile apps
- Zoom
What people use each for
The jobs each tool is most often brought in to do.
Arize AI
- Tracing and debugging production AI agentsnot Otter.ai
- Running large-scale evaluations across traces and sessionsnot Otter.ai
- Improving prompts before production rolloutnot Otter.ai
- Storing and querying GenAI traces alongside a data warehousenot Otter.ai
Otter.ai
- Meeting transcription and recordingnot Arize AI
- Live transcription for accessibilitynot Arize AI
- Multi-language meeting supportnot 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.
Otter.ai
- Two separate limits apply at once, a monthly minute allowance and a per conversation cap, so a long meeting can be cut short with allowance remaining
- The free plan cuts off at 30 minutes per conversation and 300 minutes a month
- The Pro plan still caps a single conversation at 90 minutes
- Even unlimited plans cap a conversation at 4 hours
- Imported file transcription has its own separate monthly limit, at 6,000 minutes on Business
- Paying monthly rather than annually roughly doubles the rate, from $8.33 to $16.99 on Pro
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
Otter.ai
Free- BasicFree
- 300 monthly transcription minutes
- 3 lifetime audio/video file imports
- Zoom, MS Teams, Google Meet support
- Pro$16.99/month
- 1,200 in-app recording minutes
- 10 monthly audio/video file imports
- Up to 90 minutes per meeting
- Pro Annual$8.33/month
- 1,200 in-app recording minutes
- 10 monthly audio/video file imports
- Up to 90 minutes per meeting
- Business$30/month
- Unlimited meetings and in-app recordings
- Unlimited audio/video file imports
- Up to 4 hours per meeting
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 Otter.ai if
- You need automatic transcription.
- You want to start without paying.
- You work on Web, Ios, Android, Mac.
- You also want real-time transcription.
Questions people ask
- Is Arize AI or Otter.ai better?
- Neither clearly leads. Arize AI starts at Free and Otter.ai at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
- Which is cheaper, Arize AI or Otter.ai?
- Arize AI starts at Free and Otter.ai at Free.
- Does Arize AI or Otter.ai run on more platforms?
- Arize AI runs on web, api. Otter.ai runs on Web, Ios, Android, Mac.
- 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 Otter.ai is typically brought in for.
- What can Arize AI do that Otter.ai cannot?
- Arize AI covers End-to-end tracing, Evaluation framework, Prompt testing and improvement, Alyx AI engineering agent. Otter.ai covers Automatic transcription, Real-time transcription, Speaker identification, Searchable transcripts.
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.
SourceOtter.ai: What are the monthly transcription minute limits on Otter.ai plans?
Basic tier includes 300 monthly transcription minutes at no cost. Pro tier includes 1,200 in-app recording minutes. Business tier provides unlimited meetings and in-app recordings.
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.
SourceOtter.ai: What meeting duration limits apply to different Otter.ai tiers?
Pro tier supports up to 90 minutes per meeting. Business tier supports up to 4 hours per meeting. Enterprise tier offers custom configurations.
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.
SourceOtter.ai: How much can you save with Otter.ai annual billing?
Pro annual plan costs $8.33 per month (51% savings compared to $16.99 monthly). Business annual plan costs $19.99 per month (33% savings compared to $30 monthly).
SourceOtter.ai: What integrations are available with Otter.ai Pro plan?
Pro tier includes integrations with Salesforce, HubSpot, and Zapier. Enterprise tier provides access to Otter API and custom webhooks.
SourceRelated pages
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