Arlo vs Instinct
This is the clearest philosophical split in the directory. Arlo asks permission before anything consequential leaves; Instinct acts first, and the most common complaint about it is exactly that.
Side by side
| Arlo | Instinct | |
|---|---|---|
| Channels | iMessage, SMS | iMessage |
| How you start | Text a number | Invite only |
| Who starts it | Messages you first | Acts without asking |
| Pricing | Not published | Not published |
| Can do | Email, Web research, Phone calls, Persistent memory, Task management, Documents, Calls people for you | Email, Calendar and scheduling, Bookings and reservations, Travel, Task management, Web research, Phone calls, Persistent memory |
| Trains on your conversations | Not stated | Policy not reviewed |
| Status | Live | Live |
| Company | Not published | Spear Street Technology |
Rows where the two agree are dimmed. Every figure comes from the product’s own public pages, checked 2026-09-06.
What actually differs
Arlo reads Gmail, Slack, Notion, Linear and a CRM, works across more than 3,000 integrations, operates tools with no API through a browser login, and states that it asks approval before anything consequential goes out. Instinct is a general agent whose defining choice is acting without waiting for confirmation, and whose valuation rose roughly fivefold in weeks to $2.5 billion on $350 million raised.
The most frequently cited complaint about Instinct is the direct consequence of its design: "it acted without asking me." It also reportedly struggles with concurrent tasks in a single thread. Arlo's conservatism has the opposite cost, which is that it interrupts you at every boundary.
There is a practical asymmetry too. Arlo publishes a policy page that explicitly refuses to summarise itself, saying a paraphrase of a legal text is not the legal text. Instinct has no public site we could find beyond a waitlist, names no founders publicly, and is invite-only. If you are weighing an agent that acts unilaterally, the amount it tells you about itself is part of the decision.
Arlo is for
Anyone who wants an agent that stops at the moment of consequence.
Instinct is for
Anyone who wants work finished without being asked, and accepts what that costs.
There is no winner here on purpose. These are different products for different situations, and the paragraph above names the question that tells you which you are in. See all nine providers compared or answer five questions to narrow it yourself.