Comet vs Fathom Notetaker Pricing (2026)
How do these two stack up on price? Here's what each one costs, what you get, and where the value sits.
| Comet | Fathom Notetaker | |
|---|---|---|
| Starts at | $19/mo | $19/mo |
| Number of plans | 4 | 3 |
| Free plan | ||
| Free trial | ||
| Pricing model | usage-based | per-seat |
Open Source
- Full AI observability & agent testing feature set
- True OSS: same codebase as the hosted versions
- Agent tracing & analysis
- Test Suites & assertions
- Agent Playground
Free Cloud
- Up to 10 team members
- 25k spans per month
- 60-day data retention
- Agent tracing & analysis
- Test Suites & assertions
- Agent Playground
- Ollie coding harness trial
Pro Cloud
Popular- Up to 50 team members
- 100k spans per month
- 60-day data retention
- Customizable monthly span limits
- Customizable data retention periods
Enterprise
- Unlimited team members
- Custom usage plans
- Flexible deployments
- Service accounts and view-only users
- Single sign-on
- Dedicated support and SLAs
- SOC 2, ISO 27001, ISO 9001, HIPAA, and GDPR compliance
Team
- Unlimited meetings captured & instant AI summaries
- AI generated action items
- Conversational meeting assistant
- Playlists of highlights from meetings
- Collaboration using comments, folders, keyword alerts, + more
Business
Popular- CRM field sync, updating records after meetings automatically
- Deal View summarizing insights
- Coaching metrics & AI scorecards
- Advanced call summaries, including custom summaries*
Enterprise
- Launch Assist Onboarding Program
- Organization-wide security controls
- SSO & SCIM provisioning
- Custom data retention programs
- Dedicated Success Manager & priority Support SLAs
Comet vs Fathom Notetaker FAQ
- Which one is cheaper?
- They both start at the same price — $19/mo. The difference is in what you get at each tier.
- Can I use either one for free?
- Both offer free plans, so you can try each without paying. Start with whichever fits your workflow better and upgrade when you hit the limits.
- How do they charge?
- Different approach here. Comet uses usage-based pricing, while Fathom Notetaker goes with per-seat. That changes the math depending on your team size and usage.
- Which one is a better deal?
- Depends on what you need. Comet: At $19/mo entry, they're positioning as the accessible alternative to heavier MLOps platforms — clearly going after teams that find tools like Weights & Biases or Arize too expensive or too complex for pure LLM tracing use cases. The academic free Pro tier signals they're also playing a long game on developer mindshare. Fathom Notetaker: Fathom sits in the budget-to-mid range of the AI notetaker space — undercutting Gong and Chorus by a wide margin, and competitive with tools like Otter.ai Business or Fireflies. The free plan and 90-day guarantee suggest they're actively fighting for trial-to-paid conversion against a crowded field, positioning on low risk rather than premium capability.
Still deciding? See the best Comet alternatives or the best Fathom Notetaker alternatives, ranked with verified pricing.
Keep tabs on both.
We'll monitor pricing changes for Comet and Fathom Notetaker and let you know when something moves.