# Compare Mainroom with AI notetakers and meeting assistants

> How Mainroom compares with Otter.ai, Fireflies.ai, Read AI and the platform assistants.

Canonical: https://mainroom.ai/compare/
Updated: 2026-09-17

Mainroom is an **AI meeting agent**: a participant that speaks, presents and acts during the call. Most products in this space are **AI notetakers** that record and summarize, or **platform assistants** built into one meeting tool. The pages below compare Mainroom with each, using only what the other products' own pages say.

## The categories at a glance

| | AI notetakers (Otter, Fireflies, Read AI) | Platform assistants (Zoom AI Companion, Copilot, Gemini) | Mainroom |
|---|---|---|---|
| Joins as a participant | Yes | No (panel) | Yes, with a voice |
| Transcript and summary | Yes | Yes | Yes, plus a carried-forward ledger |
| Speaks when addressed | No | No | Yes |
| Acts on the shared screen (slides, whiteboard, demos) | No | No | Yes |
| Lookups in your own tools mid-call | No | Vendor ecosystem | Any MCP server plus web |
| Works across Meet, Teams and Zoom | Yes | One platform each | Yes |
| Build your own agent | No | No | Yes |
| Writes to CRM and tickets | Automatic | Limited | Proposed, with approval |

## Comparisons

- [Mainroom vs. Otter.ai](/compare/mainroom-vs-otter-ai/) — Otter.ai transcribes and summarizes meetings. Mainroom puts an AI participant in the meeting that speaks, presents, draws and acts.
- [Mainroom vs. Fireflies.ai](/compare/mainroom-vs-fireflies-ai/) — Fireflies.ai is a meeting recorder and note-taker with integrations. Mainroom is an AI participant that speaks, presents and acts during the call.
- [Mainroom vs. Read AI](/compare/mainroom-vs-read-ai/) — Read AI adds engagement analytics to meeting notes. Mainroom puts a participant in the meeting and coaches one person privately while it happens.
- [Mainroom vs. Zoom AI Companion, Microsoft Copilot in Teams, and Gemini in Google Meet](/compare/mainroom-vs-zoom-ai-companion-copilot-and-gemini/) — The native assistants live inside one platform and answer questions about the meeting. Mainroom is a cross-platform participant that speaks, presents and acts.

## Background

- [What is an AI meeting agent?](/blog/what-is-an-ai-meeting-agent/)
- [AI notetaker vs. AI meeting agent](/blog/ai-notetaker-vs-ai-meeting-agent/)