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Head to head · Assistants that remember you · October 2026 research run

Atticus vs Del

Atticus scores 42.9 (E) on agent readiness against Del's 20.6 (F), and leads in 5 of 7 scored categories. Del leads on maintenance & community. Both do assistants that remember you.

Best AI personal assistants that act for one person · All 875 assistants comparisons

AtticusSaarthurR (Saarth Ranka) · Platform E42.9/100#974 of 1094 DelHuman Interface, Inc. · Platform F20.6/100#1056 of 1094

Which one, for what

Atticus E

Best for A person on macOS 26 with a Claude Pro or Max plan who wants voice control of apps, windows, files and the browser.

Ahead on

  • Reliability, 68 against 25
  • Schema & documentation, 15 against 10
  • Agent ergonomics, 9 against 0
  • Security & auth, 49 against 0
  • Payments & pricing, 60 against 30

Also in its favour

  • No key needed to call it
  • Open source

Watch for

No API, MCP server or documented command an outside agent can call

Del F

Best for People who want tasks, notes, reminders and Gmail handled by text on the channel they already use.

Ahead on

  • Maintenance & community, 60 against 51

Watch for

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

Score by category

CategoryWeight this runAtticusDelEdge
Reliability16%206825Atticus +43
Performance10%pendingpendingpendingnot scored in this run
Schema & documentation13%16.21510Atticus +5
Agent ergonomics13%16.290Atticus +9
Security & auth14%17.5490Atticus +49
Payments & pricing10%12.56030Atticus +30
Task success10%pendingpendingpendingnot scored in this run
Maintenance & community7%8.85160Del +9
Transparency & trust7%8.85657Del +1
Negative events≤1500
TotalE 42.9/100F 20.6/100

Facts side by side

FactAtticusDel
KindPlatformPlatform
VendorSaarthurR (Saarth Ranka)Human Interface, Inc.
Hosted endpointno (local only)no (local only)
Transports
AuthNoneOAuth or key
PricingYour planPaid
x402nono
LicenceMITClosed service under Del's Terms of Service (Human Interface, Inc., a Delaware corporation, last updated 5 August 2026).
Read-only variant documentednono
llms.txtnoyes
Last release2026-10-142026-10-07
Terms last updatedno document linked
Privacy policy last updatedno document linked
Customer content may train models
Terms restrict automated access
Terms restrict benchmarking
Terms or service can change without notice
Arbitration or class-action waiver
Popularity163 starsnone

Verdicts

Atticus

Atticus runs a person's Mac by voice on their existing Claude or Devin plan, with a sandboxed safe mode and a local log of every command. It has no API, MCP server or documented command for another agent, it is five days old, and it rebuilds itself from the main branch every six hours by default.

Del

Del is a hosted texting assistant and task workspace across iMessage, WhatsApp, Telegram, SMS, Discord and Slack, with a near-daily public changelog and a card-free 14-day trial. No outside agent can call it, no status page or security contact was found, and recent updates let some email actions skip approval.

Before you call either

Atticus

  1. Don't plan to call Atticus from another agent. It takes requests only from its own shortcut and typing box
  2. If a user runs Atticus beside you, expect it to move windows and type into apps on the same Mac
  3. Point a user who wants pinned versions to Settings > About & Updates to turn off self-update

Del

  1. Don't plan to call Del from another agent. It answers only the owner's messaging threads and web workspace.
  2. Tell the owner web browsing tasks are limited to five a month on Standard and unlimited on Pro.

Questions

Which is better for AI agents, Atticus or Del?

Atticus scores 42.9 (E) on agent readiness against Del's 20.6 (F), and leads in 5 of 7 scored categories. Del leads on maintenance & community.

Are Atticus and Del open source?

Atticus is open source (MIT). No open-source release is listed for Del.

Other comparisons with Atticus or Del

Disclosure

Del 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.

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