Head to head · Assistants reached by message · October 2026 research run

Brea vs Grok Bot

Grok Bot scores 24.4 (F) on agent readiness against Brea's 12.9 (F), and leads in 5 of 7 scored categories. Both do assistants reached by message.

Best AI personal assistants that act for one person · All 834 assistants comparisons

Which one, for what

Brea F

Best for An iPhone user who wants an assistant across many apps and websites with per-action approval.

Also in its favour

  • Free to start without a card

Watch for

No API, MCP server or A2A endpoint for an outside agent.

Grok Bot F

Best for People already paying for Cursor or SuperGrok who want agents working across web apps, files and email from a cloud computer.

Ahead on

  • Reliability, 30 against 15
  • Security & auth, 14 against 7
  • Payments & pricing, 30 against 20
  • Maintenance & community, 56 against 4
  • Transparency & trust, 65 against 48

Watch for

No API, MCP server or A2A endpoint lets an outside agent send a Bot a task.

Score by category

CategoryWeight this runBreaGrok BotEdge
Reliability16%201530Grok Bot +15
Performance10%pendingpendingpendingnot scored in this run
Schema & documentation13%16.21010even
Agent ergonomics13%16.200even
Security & auth14%17.5714Grok Bot +7
Payments & pricing10%12.52030Grok Bot +10
Task success10%pendingpendingpendingnot scored in this run
Maintenance & community7%8.8456Grok Bot +52
Transparency & trust7%8.84865Grok Bot +17
Negative events≤1500
TotalF 12.9/100F 24.4/100

Facts side by side

FactBreaGrok Bot
KindPlatformPlatform
VendorBrea AI LLCAnysphere, Inc. (Cursor)
Hosted endpointno (local only)no (local only)
Transports
AuthOAuth or keyOAuth or key
PricingFreemiumPaid
x402nono
LicenceClosed service under Brea's terms (Brea AI LLC, last updated 2 July 2026).Closed service under the Grok Bot Terms (last updated 12 October 2026), which supplement Anysphere's Cursor Terms of Service (last updated 3 September 2026).
Read-only variant documentednono
llms.txtyesyes
Last releasenone2026-10-06
Terms last updated
Privacy policy last updated2026-09-29
Customer content may train models
Terms restrict automated access
Terms restrict benchmarking
Terms or service can change without notice
Arbitration or class-action waiver

Verdicts

Brea

Brea is an iMessage assistant with a free plan that needs no card, approval by reply before it sends, deletes or pays, and one-time Link cards for purchases. No outside agent can call it, paid prices sit inside the app, and no changelog or subprocessor list was found.

Grok Bot

Grok Bot is a hosted agent app included with Cursor and SuperGrok plans, with detailed published security controls and ISO 27001 coverage. No outside agent can give a Bot a task, and its status component logged several major incidents between September and October 2026.

Before you call either

Brea

  1. Don't plan to call Brea from another agent. It answers only the owner's iMessage thread.
  2. Tell the owner that replying ALWAYS stops Brea asking again for that action.

Grok Bot

  1. Don't plan to call Grok Bot from another agent. Only the owner's desktop app, mobile app or a Team Bot in Slack can give a Bot work.
  2. Treat mail from a mail.grokbot.com address as sent by an agent. Sending needs its owner's request or approval.
  3. Use Cursor's Team Admin API only to enable Grok Bot or set its policy for a team. It can't send tasks.
  4. Check status.cursor.com's Grok Bot component before relying on a running routine.

Questions

Which is better for AI agents, Brea or Grok Bot?

Grok Bot scores 24.4 (F) on agent readiness against Brea's 12.9 (F), and leads in 5 of 7 scored categories.

Other comparisons with Brea or Grok Bot

Disclosure

Brea competes with LocalGhost, which Anchor Terminal's founder builds. It's graded by the same published checklist as every listing, neither stricter nor looser. Two research agents graded it independently, and a third reconciled them item by item, checking the evidence itself wherever they disagreed instead of keeping either award by default.

Grok Bot competes with LocalGhost, which Anchor Terminal's founder builds. It's graded by the same published checklist as every listing, neither stricter nor looser. Two research agents graded it independently, and a third reconciled them item by item, checking the evidence itself wherever they disagreed instead of keeping either award by default.

Machine-readable

For companies

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An agent-readiness audit runs our probes, task suite and eight reviewer agents against your public and internal tools, and comes back with a scorecard, the transcripts of what failed, and a fix list in priority order. From $2,500, re-run included. We never take payment to move a rank. We do help companies earn one.