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Claude Duet: what it is and when it will reach Europe

Short answer

Claude Duet is a new Anthropic app in which Claude works as a proactive agent. It sends a morning brief, watches your email and calendar, runs tasks on its own cloud computer and asks for approval before it sends a message or makes a payment. Since 21 October 2026 it has been a waitlisted research preview for Pro and Max subscribers in the US only.

net per day of closed training for the team
from €1,150
people in one training group
up to 15
after this time, we measure the effect on the same tasks
30 days

We belong to the OpenAI and Anthropic partner programmes and learn through their official courses. What this means ↓

Author: Syntalith · 4 min read

Example: the morning request inbox
Agent · ready

Statistics

Claude Duet and AI at work: statistics 2026

6,000+

connectors and plugins Claude Duet can use: email, calendar, CRM, payments, accounting, online stores.

Source: Anthropic, Claude Duet (2026) ↗

Figures checked: 23 October 2026

What Claude Duet is

Claude Duet is a new Anthropic app in which Claude works as a proactive agent. An ordinary chat waits until someone opens it and asks a question. Duet comes to the user first: each morning it sends a short brief, during the day it keeps track of connected apps, and it writes only when something needs a decision.

Anthropic describes it as a tool for professionals and small business owners with more on their plates than they can track. Duet runs on Claude Opus 5.5. It has its own cloud computer with a browser, so it keeps working when the laptop and the phone are off.

Duet carries over memory, skills and connected apps from the Claude account. The conversation runs in one thread, by text or voice. A quick reply and a weeklong project start in the same place.

What Claude Duet can do: brief, tasks and approvals

According to the product page, Duet takes on part of the daily work of running a business and returns the result for review as a document, a sheet or a deck.

Tasks Anthropic lists for Duet
  • A morning brief from email, calendar and connected apps
  • Draft email replies for approval
  • Finding unpaid invoices and drafting reminders
  • Preparing payroll for review
  • Getting contracts ready to send and sign
  • Briefs, decks, dashboards and financial forecasts
  • Prototypes and simple web apps

The most important rule concerns decisions. Duet reads, drafts and prepares work on its own. Before it sends a message, makes a payment, signs a document or deletes anything, it shows exactly what it is about to do and waits for approval. It will not trade securities or move money between accounts even with approval. Any connected app can be disconnected.

Is Claude Duet available in Europe

Not yet. Since 21 October 2026, Duet has been a waitlisted research preview for Pro and Max subscribers in the US. Team and Enterprise plans are not included yet. Anthropic has not given a date for Europe.

Where Claude Duet stands today
  • Claude Pro

    $20

    A month billed monthly, $17 billed annually. Duet in research preview, US only, with a waitlist.

  • Claude Max

    from $100

    A month, with 5 or 20 times the usage of Pro. Duet in research preview, US only.

  • Claude Team and Enterprise

    none

    Duet is not available on business plans yet, in the US included.

Źródło: Anthropic, Plans & pricing (2026) ↗

For a European company, this means Duet shows where Anthropic's tools are heading, while work on company data still belongs in the Team and Enterprise plans and in agents built to order.

How much Claude Duet costs and how usage counts

During the research preview, Duet has no separate price. It is included in Pro and Max and shares the same limits as the rest of Claude.

ItemHow it works in the research preview
PriceIncluded in the Pro or Max plan
LimitsShared with chat, Claude Code and the rest of the apps
Background checksCount toward the plan's limits
Large tasksA financial model or a deck uses more, because it takes many steps
AppsiOS, Android and claude.ai in the browser

A team that already hits limits on Pro should expect an agent working in the background to use them up faster.

Security and company data in Claude Duet

An agent that reads email and sends messages is constantly deciding where information goes. Anthropic describes several safeguards:

How Anthropic secures Claude Duet
  1. 01Approval before actionMessages, payments, signatures and deletions wait for the user's approval.
  2. 02Passwords out of the agent's reachLogins follow the design of Claude Managed Agents, so Duet never directly sees passwords or sign-in tokens.
  3. 03A separate filter for sensitive dataIt rejects requests to share credit card numbers and government identification.
  4. 04Attack testingRed teams and an external firm penetration tested Duet, and it is covered by the public bug bounty program.

Anthropic also lists the limits plainly. Duet may misread a thread, misjudge what is urgent and miss something that arrives between check-ins. It cannot show its browser yet.

A European company has one more question: the rules. According to Eurostat (2025), 15.1% of people in the EU used generative AI tools for work. Before an agent gets access to the management team's inbox, the company should know which data it may read and to whom it may send it. GDPR obligations apply to the company whatever tool does the work.

What a European company can do today

Duet will take time to arrive. Most of what it promises can run now, in Claude Team or as a system built to order.

Where to start before Duet reaches Europe
  • The team does not use Claude yet, or everyone uses it their own way

    Claude rollout for the team: accounts, data rules, training, 3 to 5 tasks

    from €1,150

  • The company already has Claude Team, but no rules or set-up projects

    Workspace review in 1 day

    €450

  • Email, invoices or payment reminders take hours every week

    A system for one process, with a person approving the uncertain cases

    from €3,000

A Claude rollout covers connectors to email, calendar and documents, projects for repetitive tasks and data rules. After 30 days we measure the time of the same tasks again. The tasks that measurement finds can then become a system that works in the background the way Duet does, in your own email and documents, under rules set in the contract.

Worked example · Scenario

How we count the payback of an agent on company email

Duet promises an inbox review and draft replies. We run the same count for your email in the free analysis: message volume, minutes per case, the hourly labour cost and the model bill.

€3,022

a month for a team spending 20 hours a week on the inbox

Payback: 1.2 mo.

Today our system at foap.com drafts a reply to every email that needs one (October 2026). The hours assigned to each firm size and checking in 15% of the old time are our assumptions. €34.90 an hour is the EU average hourly labour cost for 2025 according to Eurostat, for companies with 10 or more employees. We count the model at €9.87 per 1,000 emails (Claude Sonnet 5.5, 3,000 + 500 tokens per email, at the ECB rate of 1.1205 USD per euro on 22 October 2026), at 3 minutes of work per email.

See the full calculation →

Client results.

All projects →
foap.comcustomer service

foap.com customer service: 95% of replies are sent automatically.

Users from several countries write to foap.com, in several languages. The system reads the entire conversation and the terms of that person, and then sends a response in that person's language. Questions about money and exceptions go to the team with a ready draft, so they have to check and send them.

the system sends the answers itself, without human typing
95%
time from the arrival of the e-mail to the ready response (median)
30 s
e-mails that require a response receive a ready-made draft
100%
less work for every 1000 answers (estimate)
47 h

Data from foap.com production, October 20-21, 2026. Estimate: 3 minutes for handwritten response.

How foap.com customer service works →
Sample messages. Money matters always come to the person.

Other implementations

jaktako.design

studio projektowe

−87%

Time to look for new customers, every day

4 hours → 30 min

approx. 73 hours less per month (21 days of work)

according to the studio

How the agent loop works →
Signature Estates

real estate

approx. −90%

Operator time spent browsing portals, per day

2–3 hours → 20 min

approx. 45 hours less per month (21 days of work)

respect · contact the seller 5 minutes after the announcement

How the agent finds property listings →
Kuba Koziej, CEO and co-founder of MoreGrowth and board member at Natu.Care

Kuba Koziej

CEO and co-founder, MoreGrowth

„We started with my own AI agent. During the training that followed, I learned to build new applications myself. Today I am bringing this way of working with AI into my business. Working with Syntalith gave me exactly the skills and tools I needed.”

View the original training review on LinkedIn ↗

Practice this on your team’s own tasks.Book a free process review (30 min) →

„I already use AI.”

Your people too. Just no rules.

From our conversations with companies

5 na 10 employees paste sensitive data into private AI accounts: contracts, invoices, customer data.

In ESET survey (2026)

1 na 10 admits this in the survey.

Customer data pasted into a private AI account without an data processing agreement is a violation of the GDPR.

Don't worry, we won't tell anyone :)

What do we see in companies that "already use"

  • Only ChatGPT or Claude accounts, without plugins, skills, integrations and MCP servers with company tools.
  • Company programs are not connected to AI. People still click through systems and Excel, and enter chat data manually.
  • Lack of company standards: everyone writes instructions in their own way, no one shares what works.
  • No rules for personal data, GDPR and company secrets.
  • No limits and no visibility: no one knows who uses AI, how much and for what.

62% Polish employees use AI at work · 27% companies have written rules for working with AI.

Source: ESET and DAGMA, Cyberportrait of Polish business 2026 (March 2026, 1,026 people) ↗

ChatGPT or Claude space review

Accounts, permissions, rules for working with data and 5 tasks set for the team. 1 day.

€450 net

ChatGPT rollout →Claude rollout →

Company accounts, rules of working with data and team training in 2 weeks, from €1,150 net.View implementation for the team →

„Is my data safe?”

Yes. You choose where they go: from your company account to the model on your server.

  1. 00Employee's private account

    Customer and company data ends up in an account that the company cannot see or control. There is no data processing agreement, so it is a violation of the GDPR. When an employee leaves, the chat history goes with them.

  2. 01ChatGPT or Claude corporate account

    The provider does not use your data to train models. A copy of the queries remains in his logs for up to 30 days.

  3. 02API with zero retention (ZDR)

    The provider processes the request and does not save anything. It requires his consent, we prepare the application together.

  4. 03Processing in the EU

    Queries are counted and stored in Europe: OpenAI in the EU region, Claude via clouds with the EU region.

  5. 04Model at your place

    The open model runs on your server or in your cloud in the EU. The data does not go outside the company.

What we do with every implementation

  • Confidentiality agreement and data processing agreement before we receive any data.
  • You choose the cases for the prototype and we anonymize them upon request.
  • The data stays in the EU and we delete it after the test.
  • Corporate accounts with an administrator on your side.

When data cannot leave the company

The open model runs on your server or in your cloud in the EU. To choose from:

White-tailed eagle
Polish model, SpeakLeash and ACK Cyfronet AGH
PLLUM
Polish model, HIVE consortium commissioned by the Ministry of Digitization
Qwen
Alibaba
GLM
Zhipu AI
DeepSeek
DeepSeek

We select a model for the task and check it on your cases. We run it, tune it and maintain it.

Source: Bielik and PLLuM, ACK Cyfronet AGH ↗ · PLLuM, Ministry of Digitization ↗

Do you have a lot of your own data? We will fine-tune the small model.

  1. 1 Your examples
  2. 2 tuning
  3. 3 test on new cases
  4. 4 model at your place

When you have thousands of similar emails, documents or reports, we teach a small open model based on your examples. It works for you, responds quickly and costs less to maintain than a large model. We measure quality on issues that the model has not seen while learning.

Przemysław and Piotr did it in large programming and consulting companies. Artem did it before and does it today at Syntalith. It's about models on your own infrastructure, tuning and quality measurement.

You choose the protection level during the interview. We sign the data processing agreement before we see any data.Schedule a free analysis →

AI training for teams

Practice this on your team’s own tasks.

Closed training is conducted by engineers who implement AI systems themselves. We arrange the program according to the participants' roles and tools, and we measure the time of the same tasks before the training and after 30 days.

See AI training →
net per day of closed training for the team
from €1,150
people in one training group
up to 15
after this time, we measure the effect on the same tasks
30 days

Questions

  • What is Claude Duet?

    Claude Duet is an Anthropic app in which Claude works as a proactive agent. It sends a morning brief, keeps track of connected apps, runs tasks on its own cloud computer and asks for approval before it sends a message, pays, signs a document or deletes anything.

  • Is Claude Duet available in Europe?

    Not yet. Since 21 October 2026, Duet has been a waitlisted research preview for Pro and Max subscribers in the US. Team and Enterprise plans are not included yet. Anthropic has not given a date for Europe.

  • How much does Claude Duet cost?

    During the research preview, Duet is included in the Pro and Max plans. Pro costs $20 a month, or $17 a month billed annually, and Max starts at $100 a month. Duet shares the plan's usage limits with the rest of Claude, and its background checks count toward them.

  • Can Claude Duet send an email or pay on its own?

    Not without approval. Before it sends a message, makes a payment, signs a document or deletes anything, Duet shows exactly what it is about to do and waits. It will not trade securities or move money between accounts even with approval.

  • What can a European company do now?

    Roll out Claude Team for the team: connectors, projects, scheduled tasks and data rules. A rollout for up to 10 people starts at €1,150 net. A repetitive process, such as email or payment collection, we build as a system from €3,000 net.

Let's talk

Just write, call or choose a date.

We work fast because we hate corporate cotton wool. We don't have salespeople or managers to keep an eye on managers. You talk immediately to engineers who then build your system. We respect each other's time and yours too.

We will accept 3 more companies by the end of the year.

Mon–Fri 9:00–17:00 CET

What our OpenAI and Anthropic partnerships mean for you.

OpenAI makes ChatGPT and Anthropic makes Claude. We belong to the partnership programs of both companies, so we work with their tools every day and learn from the creators themselves.

OpenAI Select PartnerClaude Partner Network
01We will select a tool for the task
We implement both ChatGPT and Claude. We check both on your documents, and you choose the one that makes fewer corrections and saves more time.
02Knowledge straight from the creators
We learn from official OpenAI and Anthropic courses and materials. Your team learns about the features and settings that work today.
03Licenses without our margin
You buy accounts directly from OpenAI or Anthropic and receive an invoice from them. We do not add anything to the license.
04Certified engineers
On the team, we have an AWS certification in machine learning and an Anthropic certification in systems architecture on Claude.

Participation in programs does not mean that OpenAI or Anthropic endorses our services.