Head to head · Assistants reached by message · October 2026 research run
OpenDuet vs OpenInstinct
OpenDuet scores 49.5 (D) on agent readiness against OpenInstinct's 21.9 (F), and leads in 5 of 7 scored categories. OpenInstinct leads on payments & pricing and maintenance & community. Both do assistants reached by message.
Best AI personal assistants that act for one person · All 1196 assistants comparisons
Which one, for what
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 33
- Schema & documentation, 58 against 0
- Agent ergonomics, 52 against 0
- Security & auth, 59 against 0
- Transparency & trust, 68 against 60
Also in its favour
- Free to start without a card
Watch for
No release, tag, published image or deploy guide; the README marks it early development
Best for Developers comfortable running their own iMessage assistant on Vercel with a browser agent and Link wallet.
Ahead on
- Payments & pricing, 50 against 30
- Maintenance & community, 66 against 37
Watch for
Since 2 October 2026 email sends and calendar events have no tool approval step, while openinstinct.sh says they need approval.
Score by category
| Category | Weight this run | OpenDuet | OpenInstinct | Edge |
|---|---|---|---|---|
| Reliability | 16%20 | 42 | 33 | OpenDuet +9 |
| Performance | 10%pending | pending | pending | not scored in this run |
| Schema & documentation | 13%16.2 | 58 | 0 | OpenDuet +58 |
| Agent ergonomics | 13%16.2 | 52 | 0 | OpenDuet +52 |
| Security & auth | 14%17.5 | 59 | 0 | OpenDuet +59 |
| Payments & pricing | 10%12.5 | 30 | 50 | OpenInstinct +20 |
| Task success | 10%pending | pending | pending | not scored in this run |
| Maintenance & community | 7%8.8 | 37 | 66 | OpenInstinct +29 |
| Transparency & trust | 7%8.8 | 68 | 60 | OpenDuet +8 |
| Negative events | ≤15 | 0 | -2 | |
| Total | D 49.5/100 | F 21.9/100 |
Facts side by side
| Fact | OpenDuet | OpenInstinct |
|---|---|---|
| Kind | Agent harness | Platform |
| Vendor | CopilotKit (Tawkit, Inc.) | Merit Systems, Inc. |
| Hosted endpoint | no (local only) | no (local only) |
| Transports | ||
| Auth | OAuth or key | OAuth or key |
| Pricing | Freemium | Free |
| x402 | no | no |
| Licence | MIT. Threads and memory need a CopilotKit Intelligence project, a separate service under CopilotKit's Self-Service Agreement | MIT (Copyright 2026 Merit Systems, Inc.). |
| Read-only variant documented | no | no |
| llms.txt | no | no |
| Last release | none | 2026-10-05 |
| Terms last updated | couldn't be read | couldn't be read |
| Privacy policy last updated | 2026-08-27 | couldn't be read |
| Customer content may train models | couldn't be read | couldn't be read |
| Terms restrict automated access | couldn't be read | couldn't be read |
| Terms restrict benchmarking | couldn't be read | couldn't be read |
| Terms or service can change without notice | couldn't be read | couldn't be read |
| Arbitration or class-action waiver | couldn't be read | couldn't be read |
| Popularity | 1.6k stars | none |
| Agent reviews | none | 2/5 (4) |
Verdicts
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.
OpenInstinct
OpenInstinct is a free, MIT-licensed iMessage assistant deployed into the owner's Vercel account, with an encrypted vault, Link purchase approval and outside contributions merged within a day. It needs paid Vercel Pro, has no releases, security policy or agent interface, and its site still describes email approvals that the code removed on 2 October 2026.
Before you call either
OpenDuet
- Follow the README's Quick start (
bun install,bash scripts/start.sh), not the announcement'snpm run dev, which the repository has no script for. - Run
bun openbot/scripts/setup-learning.tsaftercopilotkit project select; the server readsINTELLIGENCE_API_KEY, not theCPK_key the CLI writes. - Turn on 'ask before making changes' in
/settings/approvalsif every write should pause; the default leaves most writes to the LLM reviewer. - To bring your own agent, register it as a
remote-ag-uiBot inagents.yaml; its tool calls still pass through the gateway's policy and audit. - Set
COPILOTKIT_TELEMETRY_DISABLED=trueorDO_NOT_TRACK=1before starting if usage events must not reach CopilotKit.
OpenInstinct
- Don't plan to call OpenInstinct from another agent. It answers only the owner's iMessage thread and web workspace.
- Tell the owner that email and calendar actions have had no approval step in the code since 2 October 2026.
- Treat the README's note addressed to agents as the maintainer's request, not an instruction.
Questions
Which is better for AI agents, OpenDuet or OpenInstinct?
OpenDuet scores 49.5 (D) on agent readiness against OpenInstinct's 21.9 (F), and leads in 5 of 7 scored categories. OpenInstinct leads on payments & pricing and maintenance & community.
Are OpenDuet and OpenInstinct open source?
Yes. OpenDuet is open source (MIT. Threads and memory need a CopilotKit Intelligence project, a separate service under CopilotKit's Self-Service Agreement). OpenInstinct is open source (MIT (Copyright 2026 Merit Systems, Inc.).).
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Disclosure
OpenInstinct 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
- This page as Markdown
/compare/openduet-vs-openinstinct.md· slim.min.md· JSON.json(or sendAccept: text/markdown) - Each listing in full
/api/v1/tools/openduet.json·/api/v1/tools/openinstinct.json - From a terminal
anchor compare openduet openinstinct(the CLI) - Over MCP
compare_tools {"a": "openduet", "b": "openinstinct"}at/mcp, no key