Otter.ai and Trellus are both AI meeting assistants for recording, transcription, and summaries, compared here on pricing, features, and workflow fit. Otter.ai: AI meeting assistant that records, transcribes, and summarizes meetings in real time with an auto-joining meeting agent. Trellus: Real-time AI sales coaching and parallel dialer delivered as a lightweight Chrome extension that layers onto existing sales tools. They overlap on ai-meeting-assistants, so the right pick depends on team size, budget, and which meeting workflows you automate.
For ai-meeting-assistants workflows, shortlist Otter.ai when real-time meeting transcription matters most, and Trellus when coaching reps in real time during outbound calls matters most. Both record across Zoom, Google Meet, and Microsoft Teams; trial each on real meetings before committing.
Otter.ai is a free tier with paid upgrades (freemium); Trellus is a free tier with paid upgrades (freemium). Always confirm current pricing on each vendor's site before buying.
Real-time, in-call AI coaching and adaptive guidance
Standout feature
OtterPilot auto-join agent
Parallel dialer with multiple simultaneous lines
Team usage
AI summaries and action items
Automated voicemail drops and number-health monitoring
Integrations
Searchable meeting notes
AI voice agents for practice roleplay and inbound qualification
Languages & capture
Live highlights and comments
Call analytics and performance scoring
Best-fit workflow
Real-time transcription
Chrome extension that layers onto Salesloft, Outreach, and HubSpot
Best for
Otter.ai
Choose Otter.ai if you need real-time meeting transcription — strengths include fast, well-known real-time transcription.
Trellus
Choose Trellus if you need coaching reps in real time during outbound calls — strengths include adds live coaching and dialing without replacing existing tools.
Pros & cons
Otter.ai
+ Fast, well-known real-time transcription
+ Auto-join agent reduces manual setup
- Advanced features and higher minute limits require paid plans
Trellus
+ Adds live coaching and dialing without replacing existing tools
+ Lightweight browser-extension deployment
- Focused on outbound calling rather than full meeting capture
FAQ
Is Otter.ai or Trellus better for AI meeting notes?
It depends on your workflow. Otter.ai is strong for real-time meeting transcription, while Trellus is strong for coaching reps in real time during outbound calls. Both transcribe and summarize meetings.
How do Otter.ai and Trellus compare on price?
Otter.ai is a free tier with paid upgrades and Trellus is a free tier with paid upgrades. Check each vendor's pricing page for the latest plans and free-tier limits.
Can I use both Otter.ai and Trellus?
Yes. Many teams run more than one meeting assistant when the workflows are complementary and the budget is justified.