Amira van Weegen
Marketing Manager
June 26, 2026
How Much Does an AI Phone Assistant Cost? Pricing, Models, and Key Factors
5 min
Introduction
Are you wondering whether an AI telephone assistant is right for your business and, above all, want to know what it all costs? In this article, you will get an honest overview of current prices, common pricing models, key cost drivers, and an ROI perspective to help you make your decision.
Key Takeaways
Prices for AI telephone assistants vary between €29 and €600 per month, depending on the provider, minute allowance, and range of features.
Total costs typically consist of a monthly base fee, included free minutes, and a per-minute rate for additional calls. One-time setup costs range between €0 and €2,000.
Pay-as-you-go models are cheaper if you receive very few calls. For regularly high volumes, businesses operate more economically with a flat rate or packages with a minute allowance.
Payback often occurs within 1–3 months if missed calls have previously led to a noticeable loss of revenue.
This article provides you with concrete practical examples for medical practices, law firms, and trade businesses, comparison criteria, and a checklist for choosing a provider.
What is an AI phone assistant?
An AI phone assistant is essentially a digital colleague on the line: an AI agent that automatically answers incoming calls, understands the caller's request, and resolves it independently, for example, by booking an appointment, answering a frequently asked question, or organizing a callback. This is made possible by the interplay of three technologies: speech recognition converts the spoken word into text, a Large Language Model understands the request and decides on the best response, and text-to-speech delivers this response in natural-sounding language.
Unlike a traditional recorded announcement or a call center, a modern AI phone assistant conducts real dialogues in natural language and can trigger specific processes directly, such as booking an appointment directly in your calendar system. Modern systems achieve response times of under 600 milliseconds—fast enough for the conversation to feel fluid rather than like waiting on a machine.
As a result, AI phone assistants are available around the clock, even at night, on weekends, or during lunch breaks—exactly when no one else would be there to pick up.
How are the costs for an AI phone assistant structured?
The question "How much does an AI phone assistant cost?" can't be answered with a single figure. The costs for an AI phone assistant are made up of several components, and a simple per-minute price rarely reflects the true total cost, as voice recognition, processing, and telephony connection must also be paid for.
The typical cost components are:
Monthly base or license fee: For SMBs, this usually ranges between €35 and €600 per month, depending on the package size and included features.
Included free minutes: Packages typically contain an allowance of 100 to 5,000 talk minutes per month. The larger the package, the cheaper the effective price per minute becomes.
Per-minute rate for additional minutes: For calls exceeding the allowance, additional fees apply, often between €0.12 and €0.50 per minute.
One-time setup costs: For the initial setup (phone numbers, call logic, system integration), many providers charge between €200 and €500. For enterprise projects with custom configurations, these fees can easily reach four or five figures.
Other variable costs: Additional phone numbers, parallel calls, multilingual voices, CRM integration, or other channels like chat and WhatsApp can also increase ongoing costs.
Here is a practical example showing how the general market works: Imagine you run a small medical practice with around 200 calls per month and an average call duration of two minutes. This results in about 400 call minutes. With a starter package (e.g., 250 included minutes for €40/month), you would pay an extra €20 for the 150 additional minutes at a rate of €0.13 per minute. Together with a phone number (approx. €9/month), you end up at about €70/month. The one-time setup fee is not included here, as it is only paid once at the start rather than on an ongoing basis. If you choose a larger package with 1,000 free minutes instead, the base fee increases, but you won't have to worry about extra minute charges.
What factors influence the pricing for your bookings?
In practice, pricing models can be roughly divided into four categories, ranging from pure pay-per-use to customized enterprise contracts, with various gradations in between.
Pay as you go
With the pay-per-use model, you only pay for the minutes you actually use. Typical prices range from €0.10 to €0.50 per minute.Plan-based subscriptions with included minutes
With this model, you pay a fixed basic fee that includes a defined number of free minutes. Additional minutes are billed based on consumption. SaaS subscriptions of this type offer clear monthly costs and great predictability.Hybrid models with add-ons
Here, you combine a basic SaaS subscription with optional credit packages or additional modules. Need more parallel calls, extra phone numbers, or channels like WhatsApp? Simply book them as add-ons. This model perfectly combines predictability with flexibility.Enterprise solutions
For high volumes, multiple locations, or specific compliance requirements, individual contracts with discounted minute rates and dedicated resources are standard. Setup costs here can range in the four- or five-figure bracket, with monthly costs starting at €300–€800 or more.
anny AI as a real-world example
How this plays out in practice with a specific provider is perfectly demonstrated by anny AI. anny AI is an AI phone assistant that is directly integrated into the anny booking platform, so you don't need a separate tool for calls and another for bookings; you get both from a single source. Incoming calls are answered automatically, the availability of your resources (e.g., courses, equipment, rooms) is checked in real-time, and the booking is completed right on the phone.
anny AI offers three packages tailored to your chat and call volumes, as well as functional needs:
AI Sidekick (€59/month): Includes 600 chat messages or 100 call minutes, with each additional credit costing €0.15. Features one concurrent call, one phone number, and per-second billing. It is perfect for handling round-the-clock chat bookings and catching missed calls. You can try it free for 7 days — no demo required!
AI Employee (€249/month): Includes 6,000 chat messages or 1,000 call minutes, with each additional credit costing €0.07. Features three concurrent calls, chat widgets, WhatsApp and Instagram integration, full booking integration, and payment and signature links sent via WhatsApp or SMS. Designed for growing teams, with onboarding via a booked demo.
AI Team (€599/month): Includes 18,000 chat messages or 3,000 call minutes, with each additional credit costing €0.04. Features ten concurrent calls, five phone numbers, internal chat channels like MS Teams and Slack, and custom SIP for complex location structures. Onboarding is also via a booked demo.
Which of the three packages is right for you depends primarily on your call volume and how much revenue you are currently losing due to missed calls. We will take a closer look at exactly that in the next section.
Is an AI Phone Assistant Worth It? (Analyzing the ROI)
The question "How much does an AI phone assistant cost?" is only half the story. The key factor is whether the investment pays off.
Missed calls and lost revenue
Every call that goes unanswered can cost you hard cash. In a trade business, the contribution margin of a single job is often several hundred dollars. Not every missed call automatically leads to a lost order, but if two to three calls go unanswered every day, it only takes a small fraction of those over a month to quickly add up to hundreds or thousands of dollars in lost revenue. For a law firm, a single missed client inquiry can be worth far more than the entire monthly cost of an AI phone assistant.
Relieving your team
How much time do your employees currently spend taking calls, scheduling bookings, sharing opening hours, or writing down callback requests? In many businesses, this adds up to several hours a day. The average processing time drops significantly with AI, because standard inquiries are handled automatically, allowing your team to focus on productive work. In the long run, this also means you don't necessarily have to hire additional staff just to handle peak call volumes.
ROI calculated quickly
The formula is simple: ((Benefits − Costs) / Costs) × 100. For example: Your AI phone assistant costs $200/month. If you win just one additional booking per week worth $400 thanks to better availability, that’s already around $1,600 in additional revenue per month. Plugged into the formula: (($1,600 − $200) / $200) × 100 ≈ 700% ROI, based on the additional revenue alone. Since material and other costs still have to be deducted, the actual profit will be lower, but the advantage over the pure tool costs usually remains highly positive. A one-time setup fee, which many providers charge (often $200–$500), usually amortizes within the first one to two weeks with this kind of additional revenue.
How high your specific savings are depends on your call volume and your average booking value. You can calculate this in about 30 seconds with the ROI Calculator from anny AI.
Checklist: What should you look for when choosing a booking provider?
Instead of just looking at the cheapest price per minute, a structured checklist helps you to effectively compare AI phone assistants.
Transparent pricing models: Are all cost components (base fee, price per minute, setup fee, add-ons) clearly listed? Are there any hidden fees?
Integration with existing systems: Can the AI assistant be integrated into your existing booking, calendar, or CRM system? Integrations into existing workflows save setup time and ongoing costs.
Voice quality and user experience: Make test calls and pay attention to natural speech tempo, response times, and comprehension of different dialects. Many providers advertise response times between 300 and 800 milliseconds, which gives you a good benchmark.
Data protection and GDPR: Is the solution GDPR-compliant? Look out for hosting in Germany or the EU, clear data processing agreements (DPA), and certifications such as ISO 27001.
Scalability: Can the provider keep pace with your growth? Check whether parallel calls, multi-location support, and enterprise solutions are available for higher volumes.
Contract terms: Pay attention to minimum contract terms, cancellation periods, free trial phases, and support levels. A provider that offers a risk-free trial phase shows great confidence in their product.
You can find a detailed comparison of 10 leading providers on the market right here.
The Bottom Line: How much should an AI phone assistant cost for your business?
AI phone assistants cost between €35 and €600 per month – where you land in this range depends primarily on your call volume, the desired range of functions, and integrations into your existing infrastructure. Transparent SaaS models with clear minute quotas and GDPR-compliant hosting offer many SMEs the best balance of predictability and flexibility.
Before you compare specific offers, roughly estimate your monthly call volume, average call duration, and your typical order value. These three numbers determine whether an AI phone assistant is profitable for you. You can find out in just a few seconds whether the investment pays off in your case with the ROI calculator from anny AI.
Frequently Asked Questions about AI Phone Assistants (FAQ)
How much does an AI phone assistant cost on average?
For most small and medium-sized businesses, monthly costs range between €35 and €600, depending on call volume, features, and the depth of integration. There is also often a one-time setup fee of €200 to €500. You can find a detailed breakdown of these costs earlier in this article.
How quickly can I implement an AI phone assistant in my business?
Simple SaaS solutions are often up and running within just a few hours or days. You just configure the basic settings, set up call forwarding, and the assistant is ready to take calls. For complex integrations, such as with existing practice software or custom workflows, setup can take from a few days to several weeks. We recommend starting with a limited call volume for testing before redirecting all your lines.
Will callers notice they are speaking to an AI?
Modern phone assistants sound incredibly natural thanks to advanced speech recognition and text-to-speech technology. For maximum transparency, many assistants introduce themselves as digital assistants right at the start of the call. Ultimately, customer satisfaction depends on conversational flow, politeness, and quick problem-solving, rather than whether there is a human or an AI on the other end. You can easily customize the greeting and tone to match your target audience.
Is an AI phone assistant GDPR-compliant?
GDPR compliance depends on the hosting location, data processing practices, and the data processing agreement (DPA). Be sure to ask specifically about EU or German hosting, encryption, and clear data deletion periods. B2B providers can frequently provide certifications such as ISO 27001, which is particularly relevant for sensitive sectors like medical practices or law firms.
Can an AI phone assistant book appointments directly?
Yes, absolute! AI phone assistants can book bookings automatically by checking real-time availability in your calendar or booking system. This requires integration with the respective platform. Integrated solutions where the AI phone assistant is directly connected to a central booking platform, like anny, prevent system breaks and transfer errors during scheduling.
Are there permanently free AI phone assistants?
In a professional environment, every minute of conversation incurs real costs for speech recognition, processing power, and telephony. Therefore, permanently free solutions with full features are very uncommon. However, many providers offer free trial periods or test numbers, allowing you to try out the features and voice quality risk-free. It’s always best to choose transparent, fair pricing models over supposedly free offers with hidden limitations.
![](data:image/svg+xml,<svg display="block" role="presentation" viewBox="0 0 120 40" xmlns="http://www.w3.org/2000/svg"><path d="M 55.501 13.158 L 59.216 13.158 L 59.216 30.294 L 55.501 30.294 L 55.501 27.83 C 54.088 29.78 52.094 30.741 49.482 30.741 C 47.113 30.741 45.112 29.883 43.427 28.138 C 41.743 26.393 40.919 24.23 40.919 21.729 C 40.919 19.192 41.743 17.073 43.427 15.321 C 45.112 13.576 47.106 12.718 49.482 12.718 C 52.094 12.718 54.088 13.678 55.501 15.599 Z M 50.071 27.207 C 51.616 27.207 52.925 26.693 53.955 25.667 C 54.986 24.604 55.501 23.306 55.501 21.729 C 55.501 20.153 54.986 18.855 53.955 17.821 C 52.925 16.758 51.616 16.245 50.071 16.245 C 48.526 16.245 47.216 16.758 46.186 17.821 C 45.156 18.848 44.641 20.153 44.641 21.729 C 44.641 23.306 45.156 24.611 46.186 25.667 C 47.216 26.693 48.526 27.207 50.071 27.207 Z M 79.191 19.771 L 79.191 30.294 L 75.475 30.294 L 75.475 20.153 C 75.475 17.586 73.997 16.179 71.628 16.179 C 69.016 16.179 67.265 17.792 67.265 21.113 L 67.265 30.294 L 63.549 30.294 L 63.549 13.158 L 67.265 13.158 L 67.265 15.357 C 68.398 13.612 70.149 12.718 72.591 12.718 C 76.542 12.718 79.191 15.387 79.191 19.771 Z M 98.82 19.771 L 98.82 30.294 L 95.104 30.294 L 95.104 20.153 C 95.104 17.586 93.626 16.179 91.257 16.179 C 88.645 16.179 86.894 17.792 86.894 21.113 L 86.894 30.294 L 83.178 30.294 L 83.178 13.158 L 86.894 13.158 L 86.894 15.357 C 88.027 13.612 89.778 12.718 92.22 12.718 C 96.171 12.718 98.82 15.387 98.82 19.771 Z M 114.049 13.158 L 118 13.158 L 111.401 30.836 C 109.753 35.258 106.964 37.384 103.013 37.142 L 103.013 33.689 C 105.353 33.828 106.655 32.691 107.59 30.33 L 107.759 29.986 L 100.468 13.158 L 104.522 13.158 L 109.642 25.593 Z M 36.232 8.186 C 36.188 5.033 35.879 2.203 35.827 1.77 C 35.798 1.066 35.371 0.458 34.694 0.164 C 33.959 -0.151 33.113 -0.004 32.539 0.531 C 19.487 12.828 19.413 12.916 19.377 12.96 C 19.229 13.128 19.156 13.224 19.082 13.334 L 19.075 13.348 C 19.053 13.385 19.031 13.414 19.009 13.451 C 18.84 13.737 18.744 14.147 18.766 14.477 C 18.788 14.807 18.862 15.152 19.001 15.511 C 19.023 15.592 19.046 15.665 19.075 15.739 C 19.2 16.091 19.568 17.161 19.641 21.003 C 19.722 25.102 19.207 26.965 18.935 27.962 C 18.884 28.138 18.847 28.292 18.81 28.438 C 18.766 28.578 18.656 28.952 18.759 29.465 C 18.81 29.707 18.906 29.912 18.965 30.022 C 18.994 30.074 19.023 30.125 19.06 30.176 C 19.119 30.264 19.215 30.404 19.369 30.536 L 26.712 37.487 C 27.065 37.824 27.536 38 28.014 38 C 28.271 38 28.536 37.949 28.779 37.839 C 29.456 37.545 29.875 36.929 29.875 36.218 L 29.875 24.42 C 29.875 23.504 29.419 22.924 29.073 22.565 L 28.978 22.462 C 29.706 21.803 31.943 19.764 34.452 17.227 C 35.717 15.944 36.298 12.989 36.232 8.186 Z M 27.624 34.605 C 27.624 34.847 27.33 34.972 27.153 34.803 L 21.363 29.326 L 21.378 29.311 L 21.407 29.282 L 21.495 29.194 L 21.532 29.157 C 21.569 29.12 21.606 29.091 21.643 29.054 C 21.65 29.047 21.665 29.04 21.672 29.025 C 21.724 28.981 21.775 28.93 21.827 28.878 L 21.841 28.864 C 21.893 28.82 21.937 28.776 21.988 28.724 C 22.003 28.71 22.018 28.702 22.033 28.688 C 22.084 28.636 22.136 28.592 22.194 28.541 C 22.261 28.482 22.319 28.424 22.386 28.365 L 22.665 28.116 L 22.754 28.035 L 27.308 23.958 L 27.44 24.098 C 27.447 24.105 27.455 24.112 27.455 24.12 C 27.631 24.303 27.631 24.34 27.631 24.428 L 27.631 34.605 Z M 32.848 15.658 C 29.875 18.657 27.278 20.967 27.256 20.989 L 27.249 20.989 L 26.623 21.546 L 25.792 22.294 C 24.586 23.372 23.173 24.633 22.187 25.52 C 21.996 25.689 21.701 25.535 21.724 25.285 C 21.841 24.171 21.915 22.756 21.885 20.945 C 21.804 16.743 21.378 15.511 21.194 14.983 C 21.186 14.969 21.179 14.954 21.179 14.939 C 21.157 14.844 21.135 14.778 21.12 14.741 C 21.106 14.705 21.091 14.668 21.083 14.639 C 21.047 14.536 21.076 14.426 21.157 14.353 C 22.239 13.326 29 6.954 33.252 2.951 C 33.422 2.789 33.694 2.899 33.716 3.127 C 33.826 4.293 33.966 6.214 33.995 8.23 C 34.062 13.971 33.135 15.365 32.848 15.658 Z M 17.302 27.955 C 17.03 26.957 16.522 25.095 16.596 20.996 C 16.669 17.146 17.044 16.076 17.162 15.731 C 17.184 15.658 17.214 15.585 17.236 15.504 C 17.368 15.152 17.449 14.8 17.471 14.47 C 17.493 14.147 17.39 13.737 17.228 13.444 C 17.206 13.407 17.184 13.378 17.162 13.341 L 17.155 13.326 C 17.081 13.224 17.008 13.121 16.86 12.952 C 16.824 12.908 16.743 12.828 3.698 0.538 C 3.125 -0.004 2.278 -0.144 1.543 0.172 C 0.866 0.465 0.439 1.074 0.41 1.778 C 0.358 2.21 0.049 5.041 0.005 8.193 C -0.061 12.996 0.52 15.951 1.793 17.234 C 4.316 19.786 6.568 21.839 7.267 22.47 L 7.171 22.572 C 6.825 22.932 6.369 23.511 6.369 24.428 L 6.369 36.211 C 6.369 36.922 6.788 37.545 7.465 37.831 C 7.715 37.941 7.973 37.993 8.23 37.993 C 8.709 37.993 9.172 37.817 9.533 37.479 L 16.912 30.499 C 17.044 30.382 17.133 30.25 17.184 30.184 C 17.221 30.132 17.25 30.081 17.272 30.044 C 17.346 29.92 17.442 29.722 17.486 29.472 C 17.581 28.974 17.478 28.6 17.434 28.446 C 17.398 28.284 17.353 28.13 17.302 27.955 Z M 3.389 15.658 C 3.102 15.365 2.168 13.979 2.249 8.237 C 2.278 6.221 2.426 4.3 2.529 3.134 C 2.551 2.907 2.823 2.797 2.992 2.958 C 7.245 6.962 14.006 13.334 15.087 14.36 C 15.161 14.433 15.19 14.543 15.161 14.646 C 15.154 14.675 15.139 14.712 15.124 14.749 C 15.109 14.785 15.087 14.851 15.065 14.947 C 15.058 14.961 15.058 14.976 15.051 14.991 C 14.867 15.519 14.44 16.75 14.359 20.952 C 14.322 22.763 14.396 24.178 14.521 25.293 C 14.55 25.542 14.249 25.696 14.057 25.527 C 13.071 24.64 11.659 23.379 10.452 22.301 L 9.621 21.553 L 8.988 20.989 C 8.871 20.893 6.325 18.62 3.389 15.658 Z M 9.077 34.81 C 8.9 34.979 8.606 34.854 8.606 34.612 L 8.606 24.42 C 8.606 24.34 8.606 24.296 8.782 24.112 C 8.79 24.105 8.797 24.098 8.797 24.09 L 8.929 23.951 L 13.476 28.028 L 13.792 28.314 L 13.851 28.365 C 13.866 28.38 13.881 28.394 13.895 28.402 C 13.932 28.438 13.976 28.475 14.013 28.512 C 14.035 28.534 14.057 28.548 14.072 28.57 C 14.109 28.607 14.153 28.644 14.19 28.68 C 14.212 28.695 14.227 28.717 14.249 28.732 C 14.293 28.776 14.337 28.812 14.381 28.856 L 14.41 28.886 C 14.462 28.937 14.513 28.981 14.558 29.025 L 14.587 29.054 C 14.624 29.091 14.661 29.12 14.69 29.157 L 14.727 29.194 C 14.756 29.223 14.793 29.26 14.815 29.289 L 14.837 29.311 L 14.852 29.326 Z" fill="rgb(0, 0, 0)" height="38px" id="bH388uk2E" transform="translate(1 1)" width="118.00000395534607px"/></svg>)