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Fathom vs Arize AI

A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.

Fathom compared with Arize AI
DetailFathomArize AI
What it doesAI meeting notetaker that captures what matters and turns conversations into clear, actionable outcomes The agent observability and evaluation platform.
StageEstablished Established
FoundedNot given Not given
Based inNot given Not given
Pricing modelfreemium freemium
PricingFree plan for individuals with unlimited recordings and summaries. Premium ($20/month or $16/month annual). Team plan starts at $15/user/month (annual) or $19/month (monthly), 2-user minimum. Business plan from $25/user/month (annual) or $34/month (monthly), 2-user minimum. Enterprise available on q Not given
Key features
  • Automatic call transcription and summaries
  • AI-generated action items
  • Bot-free and bot-based recording options
  • CRM field sync to Salesforce and HubSpot
  • Ask Fathom conversational search
  • AI Scorecards for coaching and performance
  • Keyword trackers with Slack routing
  • Deal View summarizing customer interactions
  • Integration with ChatGPT, Claude, and other LLMs
  • Slack, Asana, and Zapier integrations
  • Trace observability with OpenTelemetry compliance
  • Comprehensive evaluation framework for span, trace, and session evals
  • Alyx AI engineering agent for debugging and fixing issues
  • Agent-first debugging for coding agents
  • ADB datastore for GenAI traces in open formats
  • Phoenix open-source platform for local-first tracing and evaluation
  • Online evaluations on production traces
  • Integration with 40+ models, frameworks, and AI tools
  • Built on OpenInference and OpenTelemetry standards
  • Certified security and compliance including SOC 2, ISO, PCI, GDPR, HIPAA
What makes it different
  • Bot-free recording option in beta for increased flexibility
  • Ask Fathom with natural language across all meetings
  • AI Scorecards provide real-time coaching moments
  • Saves 6+ hours per team member weekly on follow-up work
  • Built by founders of OpenInference, the leading open standard for GenAI observability
  • Signal surfaces what matters, uncovers root causes, and generates review-ready fixes automatically
  • Processes 1 trillion spans and runs 1 billion evals per year at scale
  • Flexible deployment with data staying under customer control
  • Open-source-first approach with local-first option via Phoenix
Free planNot given Not given
Open sourceNot given Not given
PlatformsNot given Not given
Public APINot given Not given
Community votes00
DR (Domain Rating by Ahrefs)77 no change since last check78 no change since last check
Trust Flow (Majestic)3234
Citation Flow (Majestic)5254
Referring domains (Majestic)56995527

5 details filled in for both companies.

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