OpenOats and Trellus are both AI meeting assistants for recording, transcription, and summaries, compared here on pricing, features, and workflow fit. OpenOats: Open-source macOS meeting note-taker that transcribes calls locally and surfaces relevant talking points from your own notes in real time. 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 OpenOats when getting live, context-aware prompts from your own notes during sales or customer calls 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.
Open-source macOS meeting note-taker that transcribes calls locally and surfaces relevant talking points from your own notes in real time.
Auto-saved transcripts and session logs to local filesLive retrieval of relevant talking points from your own notes during meetingsMIT-licensed, self-hostable Swift application
Real-time AI sales coaching and parallel dialer delivered as a lightweight Chrome extension that layers onto existing sales tools.
AI voice agents for practice roleplay and inbound qualificationAutomated voicemail drops and number-health monitoringCall analytics and performance scoring
OpenOats 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 local transcription of both sides of a conversation on Apple Silicon
Real-time, in-call AI coaching and adaptive guidance
Standout feature
Live retrieval of relevant talking points from your own notes during meetings
Parallel dialer with multiple simultaneous lines
Team usage
Window hidden from screen sharing by default for privacy on calls
Automated voicemail drops and number-health monitoring
Integrations
Auto-saved transcripts and session logs to local files
AI voice agents for practice roleplay and inbound qualification
Languages & capture
Works fully local via Ollama or with cloud models (OpenRouter, Voyage AI)
Call analytics and performance scoring
Best-fit workflow
MIT-licensed, self-hostable Swift application
Chrome extension that layers onto Salesloft, Outreach, and HubSpot
Best for
OpenOats
Choose OpenOats if you need getting live, context-aware prompts from your own notes during sales or customer calls — strengths include local on-device transcription keeps meeting audio private.
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
OpenOats
+ Local on-device transcription keeps meeting audio private
+ Real-time note surfacing acts as a meeting copilot, not just a passive recorder
- Restricted to Apple Silicon Macs on recent macOS versions
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 OpenOats or Trellus better for AI meeting notes?
It depends on your workflow. OpenOats is strong for getting live, context-aware prompts from your own notes during sales or customer calls, while Trellus is strong for coaching reps in real time during outbound calls. Both transcribe and summarize meetings.
How do OpenOats and Trellus compare on price?
OpenOats 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 OpenOats and Trellus?
Yes. Many teams run more than one meeting assistant when the workflows are complementary and the budget is justified.