At a glance
| Attribute | Muse | Dot |
|---|---|---|
| Company | Meta | OpenAI |
| Model | Not publicly detailed | GPT-6 Astra (per public announcements) |
| Where you use it | Email, Slack, WhatsApp, Telegram, text, connected apps | ChatGPT, Slack, Microsoft Teams |
| Memory | Learns from interactions across channels | Persistent memory across all sessions |
| What it does | AI agent that reads context, answers questions, takes actions | Always-on agent that remembers past conversations, preferences and context |
| Public pricing | Not publicly listed | Not publicly listed |
Based on public announcements and company pages as of October 19, 2026. Plans and features change, so check each vendor before choosing.
When each is the better fit
Choose Muse if: You work across the Meta ecosystem and messaging platforms (email, Slack, WhatsApp, Telegram), and you value broad app integrations.
Choose Dot if: You want GPT-6 Astra's capabilities, you primarily work in ChatGPT, Slack or Teams, and you value persistent memory that carries across all your interactions.
Looking for an AI coworker in Slack? Try Geniusly
If you're looking for an AI assistant for team work in Slack rather than a personal always-on agent, consider Geniusly. It's an AI coworker in Slack that prepares briefs, reports and handoffs from your connected tools (Gmail, Drive, Sheets, Google Ads, Linear, GitHub).
How it's different:
- Built for team work: briefs, reports, handoffs
- Reads from your connected sources and prepares the result for review
- Doesn't send on your behalf from Slack
- Works in Slack, with short follow-ups on WhatsApp, iMessage or SMS
- Free plan, $0 to get started
- Especially useful for agencies and client-services teams
Questions & answers
What is GPT-6 Astra?
GPT-6 Astra is OpenAI's model powering Dot, per public announcements as of October 2026.
Can both work in Slack?
Yes, both Muse and Dot list Slack among their supported channels.
Does Dot work in ChatGPT?
Yes, Dot is integrated into ChatGPT as an always-on assistant.
What's the pricing?
Neither Muse nor Dot listed public pricing as of October 2026. Check each vendor for current pricing.