M91 vs OpenRig
A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.
M91 compared with OpenRig
| Detail | 
M91 | 
OpenRig |
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| What it does | Human-in-the-loop approval for AI agents
| A persistent team of coding agents
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| Stage | Not given
| Not given
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| Founded | Not given
| Not given
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| Based in | Not given
| Not given
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| Pricing model | Free
| Open source
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| Pricing | Free forever with all features included
| Not given
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| Key features | - Alerts on iPhone and Android with answer buttons
- Phone call escalation for high and critical alerts
- Breaks through silent mode and Do Not Disturb
- Attachments and notes on every alert
- Broadcast to a channel with one person taking ownership
- See who acted and who ignored alerts
- Answer buttons set by you or your AI
- Callback webhooks to return answers to your code
- Setup via pasted prompt or API key-free send link
- Integration with AI frameworks, automation platforms and HTTP API
| - Start teams with one command and manage agents across multiple machines
- Mix Claude Code, Codex and Pi agents in one team
- Agents delegate and coordinate work with named task assignments and queue ownership
- Agents message each other directly and read each other's screens
- Restore agent conversations after restart or reboot from snapshots
- Choose different models and reasoning effort per agent
- Bring custom harnesses and integrate with MCP servers and Claude Desktop
- Start Docker Compose services alongside agent teams
- Control message filtering with typing guards and chat broadcasts
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| What makes it different | - Full-volume alerts that interrupt even when phone is silenced
- No SDK, API key or card required to start
- Free forever with every feature for every team member
- Escalates to phone calls for critical alerts that go unanswered
- Works with existing AI agents, workflows and monitoring tools
| - One conversation interface with a lead agent coordinating specialists behind the scenes
- Mix multiple coding models and harnesses in one managed team
- Run entirely self-hosted on your own machine with no external coordination
- Open source with Apache 2.0 license and extensible harness contracts
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| Community votes | 0 | 0 |
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| DR (Domain Rating by Ahrefs) | 73 ● no change since last check | 28 ● no change since last check |
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| Trust Flow (Majestic) | 1 | 6 |
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| Citation Flow (Majestic) | 1 | 36 |
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| Referring domains (Majestic) | 0 | 191 |
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4 details filled in for both companies.
More alternatives to M91 More alternatives to OpenRig