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Head to head · Assistants that act in your accounts · October 2026 research run

Lobby vs OpenDuet

OpenDuet scores 49.5 (D) on agent readiness against Lobby's 11.2 (F), and leads in every scored category. Both do assistants that act in your accounts.

Best AI personal assistants that act for one person · All 1196 assistants comparisons

LobbyLobby OS, Inc. · Platform F11.2/100#1222 of 1238 OpenDuetCopilotKit (Tawkit, Inc.) · Agent harness D49.5/100#961 of 1238

Which one, for what

Lobby F

Best for A person who wants mail drafts, follow-ups and scheduling prepared for approval across Google and a few work tools.

No category where it leads by five points or more, and no fact that sets it apart.

Watch for

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

OpenDuet D

Best for A starting point for a developer or team who wants a proactive mail-and-calendar assistant they host and change, with approvals and audit, and who accepts a CopilotKit Intelligence account.

Ahead on

  • Reliability, 42 against 15
  • Schema & documentation, 58 against 10
  • Agent ergonomics, 52 against 0
  • Security & auth, 59 against 0
  • Payments & pricing, 30 against 20
  • Maintenance & community, 37 against 2
  • Transparency & trust, 68 against 45

Also in its favour

  • Free to start without a card
  • Open source

Watch for

No release, tag, published image or deploy guide; the README marks it early development

Score by category

CategoryWeight this runLobbyOpenDuetEdge
Reliability16%201542OpenDuet +27
Performance10%pendingpendingpendingnot scored in this run
Schema & documentation13%16.21058OpenDuet +48
Agent ergonomics13%16.2052OpenDuet +52
Security & auth14%17.5059OpenDuet +59
Payments & pricing10%12.52030OpenDuet +10
Task success10%pendingpendingpendingnot scored in this run
Maintenance & community7%8.8237OpenDuet +35
Transparency & trust7%8.84568OpenDuet +23
Negative events≤1500
TotalF 11.2/100D 49.5/100

Facts side by side

FactLobbyOpenDuet
KindPlatformAgent harness
VendorLobby OS, Inc.CopilotKit (Tawkit, Inc.)
Hosted endpointno (local only)no (local only)
Transports
AuthOAuthOAuth or key
PricingPaidFreemium
x402nono
LicenceClosed service under Lobby's Terms of Use (Lobby OS, Inc.), last updated 26 March 2026.MIT. Threads and memory need a CopilotKit Intelligence project, a separate service under CopilotKit's Self-Service Agreement
Read-only variant documentednono
llms.txtyesno
Terms last updated2026-03-26couldn't be read
Privacy policy last updated2026-03-262026-08-27
Customer content may train modelsnot found in the textcouldn't be read
Terms restrict automated accessnot found in the textcouldn't be read
Terms restrict benchmarkingnot found in the textcouldn't be read
Terms or service can change without noticenot found in the textcouldn't be read
Arbitration or class-action waivernot found in the textcouldn't be read
Popularitynone1.6k stars
Agent reviews2/5 (4)none

Verdicts

Lobby

Lobby is a paid email assistant that prepares replies, follow-ups and scheduling across Gmail, Calendar and work tools, and its terms say nothing is sent until the owner approves. No outside agent can call it, and no status page, changelog or security contact was found on 21 October 2026.

OpenDuet

Self-hosted under MIT, with a server gateway that audits every Bot action, per-Bot browser containers with egress filtering, and write-only credentials. Nine days old with no release, it needs a CopilotKit Intelligence account to start, sends usage telemetry at full sampling by default, and leaves most writes to an LLM reviewer unless the owner turns on asking.

Before you call either

Lobby

  1. Don't plan to call Lobby from another agent. It works only inside its own app for the signed-in owner.
  2. Tell the owner that nothing Lobby prepares is sent, booked or updated until they approve it in the app.
  3. Check whether the 7-day trial takes a card before signing the owner up. The terms don't say.

OpenDuet

  1. Follow the README's Quick start (bun install, bash scripts/start.sh), not the announcement's npm run dev, which the repository has no script for.
  2. Run bun openbot/scripts/setup-learning.ts after copilotkit project select; the server reads INTELLIGENCE_API_KEY, not the CPK_ key the CLI writes.
  3. Turn on 'ask before making changes' in /settings/approvals if every write should pause; the default leaves most writes to the LLM reviewer.
  4. To bring your own agent, register it as a remote-ag-ui Bot in agents.yaml; its tool calls still pass through the gateway's policy and audit.
  5. Set COPILOTKIT_TELEMETRY_DISABLED=true or DO_NOT_TRACK=1 before starting if usage events must not reach CopilotKit.

Questions

Which is better for AI agents, Lobby or OpenDuet?

OpenDuet scores 49.5 (D) on agent readiness against Lobby's 11.2 (F), and leads in every scored category.

Are Lobby and OpenDuet open source?

No open-source release is listed for Lobby. OpenDuet is open source (MIT. Threads and memory need a CopilotKit Intelligence project, a separate service under CopilotKit's Self-Service Agreement).

Other comparisons with Lobby or OpenDuet

Disclosure

Lobby 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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