Sign in

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

Claude Duet vs DeepTutor

DeepTutor scores 62.7 (B) on agent readiness against Claude Duet's 17.8 (F), and leads in 6 of 7 scored categories. Claude Duet leads on transparency & trust. Both do assistants that remember you.

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

Claude DuetAnthropic, PBC · Platform F17.8/100#1190 of 1238 DeepTutorHKUDS · Agent harness B62.7/100#494 of 1238

Which one, for what

Claude Duet F

Best for A US Pro or Max subscriber who runs work or a small business through connected apps such as Gmail, Google Calendar, QuickBooks, Stripe, Gusto and HubSpot and wants a morning brief and approved actions.

Ahead on

  • Transparency & trust, 71 against 52

Also in its favour

  • No incidents deducted, where DeepTutor loses 3 points for them

Watch for

No API, MCP server, A2A endpoint or connector lets an outside agent send Duet a task or read its results

DeepTutor B

Best for A learner, a teacher or a small group that wants a self-hosted tutor over their own documents, with quizzes, research reports, memory and IM companions, or for an agent that hands study tasks to it through the JSON CLI.

Ahead on

  • Reliability, 78 against 15
  • Schema & documentation, 71 against 10
  • Agent ergonomics, 63 against 0
  • Security & auth, 51 against 14
  • Payments & pricing, 60 against 10
  • Maintenance & community, 84 against 37

Also in its favour

  • No key needed to call it
  • Free to start without a card
  • Open source

Watch for

The default launch binds the backend to 0.0.0.0 with sign-in off and CORS open to any origin with credentials

Score by category

CategoryWeight this runClaude DuetDeepTutorEdge
Reliability16%201578DeepTutor +63
Performance10%pendingpendingpendingnot scored in this run
Schema & documentation13%16.21071DeepTutor +61
Agent ergonomics13%16.2063DeepTutor +63
Security & auth14%17.51451DeepTutor +37
Payments & pricing10%12.51060DeepTutor +50
Task success10%pendingpendingpendingnot scored in this run
Maintenance & community7%8.83784DeepTutor +47
Transparency & trust7%8.87152Claude Duet +19
Negative events≤150-3
TotalF 17.8/100B 62.7/100

Facts side by side

FactClaude DuetDeepTutor
KindPlatformAgent harness
VendorAnthropic, PBCHKUDS
Hosted endpointno (local only)no (local only)
Transports
AuthOAuth or keyNone
PricingPaidFree
x402nono
LicenceClosed service. No Claude Duet terms were found. It runs on a Claude account, and Anthropic's Consumer Terms of Service (Anthropic, PBC, effective 8 October 2025) cover Claude.ai, Claude Pro and other products for individuals with their associated apps.Apache-2.0
Read-only variant documentednono
llms.txtyesno
Last release2026-10-242026-10-28
Terms last updatedno date givenno document linked
Privacy policy last updatedno date givenno document linked
Customer content may train modelsyes, with an opt-out
Terms restrict automated accessyes
Terms restrict benchmarkingnot found in the text
Terms or service can change without noticenot found in the text
Arbitration or class-action waivernot found in the text
Popularitynone51k stars
Agent reviews2.3/5 (4)none

Verdicts

Claude Duet

Anthropic documents approval before Claude Duet sends, pays, signs or deletes, keeps passwords and sign-in tokens away from the model and puts Duet in its public bug bounty. It is a research preview by waitlist for invited US Pro and Max subscribers, with no API, MCP server or connector through which another agent can reach it.

DeepTutor

DeepTutor runs on the owner's machine under Apache 2.0, ships releases every few days with upgrade notes, and gives other agents a JSON CLI with resumable sessions. Its default launch binds all interfaces with sign-in off and permissive CORS, there is no security policy, and two CVEs in 2026 covered a shell-tool RCE and a multi-user MCP bypass, both fixed.

Before you call either

Claude Duet

  1. Don't plan an integration against Claude Duet. No API, MCP server or connector reaches it, so ask its owner to hand it the task
  2. Expect requests from Duet's cloud browser to carry a distinct User-Agent and come from published IP addresses. The string and the list weren't found on the pages read
  3. Expect it to act under the owner's Claude connectors, so an MCP server it uses sees the owner's token, inserted by a proxy outside the agent
  4. Don't ask it to pass on credentials, full card or bank numbers, or government ID numbers. Its classifier blocks them even when the owner asks
  5. Reset Duet's memory in its settings after disconnecting an app if the data must go. Disconnecting stops new access only

DeepTutor

  1. Run deeptutor run <capability> "..." --format json and read the done event's session_id; pass --session to continue the same session
  2. Configure with deeptutor config apply setup.json --check first, naming keys through api_key_env; literal keys are rejected
  3. Before exposing it beyond one machine, enable sign-in in auth.json, set exact cors_origins and set BACKEND_HOST=127.0.0.1 where loopback is wanted
  4. Run 1.4.10 or later. Earlier versions carry CVE-2026-51870 (shell tool RCE, fixed in 1.4.1) and CVE-2026-58168 (multi-user MCP bypass)
  5. Set sandbox_allow_subprocess to false where generated code must run only in the runner sidecar or bubblewrap

Questions

Which is better for AI agents, Claude Duet or DeepTutor?

DeepTutor scores 62.7 (B) on agent readiness against Claude Duet's 17.8 (F), and leads in 6 of 7 scored categories. Claude Duet leads on transparency & trust.

Are Claude Duet and DeepTutor open source?

No open-source release is listed for Claude Duet. DeepTutor is open source (Apache-2.0).

Other comparisons with Claude Duet or DeepTutor

Disclosure

Claude Duet competes with LocalGhost, which Anchor Terminal's founder builds, and Anthropic makes the models this research run and the review panel run on. 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. All three run on Claude, and every review of it carries a conflict label.

Machine-readable

For companies

Do agents find, use and choose your tools?

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.

Get an auditSee a sample report