How Much Does It Cost to Build an AI Video Generator Like Synthesia?

How Much Does It Cost to Build an AI Video Generator Like Synthesia?

Oct 19, 2023 14:50 PM

AI Video Generator Like Synthesia

The world of artificial intelligence (AI) has witnessed remarkable advancements, and one area that has seen significant growth is the development of AI video generators. These tools can transform text into lifelike video content, opening up a world of possibilities for businesses, content creators, and marketers. Synthesia, a prominent player in this field, has gained recognition for its innovative AI video generation platform. In this article, we will explore the intricacies of building an AI video generator like Synthesia and delve into the cost factors associated with such a venture.

The Rise of AI Video Generators

AI video generators are revolutionizing the way videos are created and consumed. Traditional video production can be time-consuming, expensive, and often requires specialized skills. With the emergence of AI video generators, these barriers are being dismantled, making video production more accessible and cost-effective.

Synthesia, a London-based startup founded in 2017, has been at the forefront of this transformation. Their platform allows users to generate videos by simply typing in text, and the AI engine then animates a virtual speaker to deliver the content realistically and engagingly. This technology has diverse applications, from creating marketing videos and educational content to translating videos into multiple languages with ease.

Building a similar AI video generator involves a complex mix of technology, data, and expertise. To understand the costs involved, let's break down the key components and factors to consider when embarking on such a project.

Key components of an AI video generator

Machine learning models

The core of an AI video generator is its machine learning models. These models are responsible for understanding the input text, selecting appropriate visual elements, and generating the animations that bring the content to life. Developing and fine-tuning these models is a significant part of the project.

The cost associated with machine learning models includes:

AI Video Generator Like Synthesia

Data Acquisition: Collecting and curating large datasets of text and corresponding video footage or animations for training the models.

Hardware Infrastructure: High-performance GPUs and specialized hardware may be needed for training large models efficiently.

Data Scientists and Machine Learning Engineers: Hiring skilled professionals to develop, train, and optimize machine learning models.

Natural Language Processing (NLP)

To make the AI video generator capable of understanding and processing human language, NLP techniques are essential. These techniques enable the system to interpret the meaning, context, and sentiment of the text input.

The costs related to NLP integration include:

NLP Models: licensing or developing NLP models that can accurately analyse and interpret text inputs.

NLP Experts: Employing NLP experts to fine-tune and optimize the language processing component.

Animation and graphics

The visual appeal of the generated videos is crucial. To create animations and graphics that are both aesthetically pleasing and contextually relevant, you'll need:

Graphic Designers and Animators: Hiring professionals with expertise in creating animations, characters, and visual assets.

Software Tools: licensing or developing animation and graphic design software for the project.

User Interface (UI) and User Experience (UX)

To make the AI video generator user-friendly and accessible to a wide audience, investment in UI and UX design is essential. This includes designing an intuitive interface for users to input their text and customize the video output.

The costs in this category comprise:

UI/UX Designers: Employing designers skilled in creating user-friendly interfaces.

Front-End Developers: Building the user interface and integrating it with the backend AI components.

Backend Infrastructure

The backend infrastructure is the backbone of the AI video generator. It handles the heavy lifting of processing text inputs, invoking machine learning models, and generating video outputs. Key considerations include:

Server Infrastructure: Setting up scalable servers and cloud resources to handle user requests.

DevOps Engineers: Employing professionals to manage server infrastructure and deployments and ensure system reliability.

Integration and Deployment

Once the AI video generator is developed, it needs to be integrated into a user-friendly platform and deployed for users to access. This phase includes:

Mobile App Development: If the AI video generator is intended to be accessible via mobile devices, you'll need to invest in mobile app development.

Web Development: Creating a web-based platform for users who prefer to access the service via browsers.

API Development: Building APIs to allow integration with other platforms or services.

Content Library

To enhance the capabilities of the AI video generator, you may choose to develop a content library consisting of pre-made animations, backgrounds, and characters. This library can significantly reduce the time and cost required for users to create videos.

Cost factors related to the content library include:

Content Creation: Producing a variety of animations and assets for the library.

Content Management: Implementing a system to organize and manage the content effectively.

Legal and Licencing

Using AI to generate videos often involves copyright and licencing considerations, especially if you intend to use third-party content or voices. Costs in this area include:

Content Licencing: Acquiring the necessary licences for using text-to-speech (TTS) voices, stock footage, or music.

Legal Consultation: Consulting with legal experts to ensure compliance with copyright and intellectual property laws

Cost Factors to Consider

The cost of building an AI video generator like Synthesia can vary widely, depending on several factors. Here are the main considerations:

Scope and Complexity

The scope and complexity of the project are the primary cost drivers. More extensive features, advanced AI capabilities, and a broader range of supported languages will increase development costs.

Team Composition

The size and expertise of your development team play a significant role in cost estimation. Hiring experienced machine learning engineers, NLP experts, designers, and developers will impact the overall budget.

Technology Stack

The choice of technology stack, including programming languages, frameworks, and cloud services, can influence both development time and costs. Opting for widely used and well-supported technologies may be more cost-effective.

Data Acquisition and Licensing

Collecting and curating data for training models, as well as acquiring licenses for third-party content and voices, can be a substantial expense.

Hardware and infrastructure

Investment in high-performance hardware, GPUs, and cloud resources is necessary for training and running machine learning models efficiently.

Testing and quality assurance

Thorough testing and quality assurance are critical to ensuring a reliable and user-friendly product. Costs for testing, bug fixing, and user feedback implementation should be factored in.

Maintenance and updates

After the initial development, ongoing maintenance, updates, and improvements are essential to keep the AI video generator competitive and free of security vulnerabilities.

Estimating the cost

Estimating the cost to build an AI video generator like Synthesia is a complex task that requires a detailed project plan and budget analysis. However, as a rough guideline, a medium-sized project with the following characteristics might incur the following costs:

Machine Learning Models: $100,000-$500,000

NLP Integration: $50,000-$150,000

Animation and Graphics: $30,000-$100,000.

UI/UX Design and Front-End Development: $50,000–$150,000

Backend Infrastructure: $100,000-$300,000

Integration and Deployment: $50,000-$200,000

Content Library: $20,000-$100,000

Legal and Licencing: Variable, depending on content usage

These estimates are approximate and can vary significantly based on the factors mentioned earlier. Additionally, ongoing operational costs for server maintenance, updates, and personnel salaries should also be considered in your budget.

Funding Options

Funding the development of an AI video generator like Synthesia can be challenging due to the substantial upfront costs. Here are some common funding options to explore:


If you have the necessary skills and resources, you can choose to bootstrap the project by funding it yourself or with a small team. This approach allows you to maintain full control over the project but may limit its scale and speed of development.

Venture Capital

Seeking venture capital funding is an option if you have a compelling business plan and a strong team. Venture capitalists may invest in exchange for equity in your company, but this route often requires a proven concept and a clear path to profitability.


Crowdfunding platforms like Kickstarter and Indiegogo can be used to raise initial capital for your project. This approach allows you to gauge interest and secure funding from a community of supporters.

Grants and competitions

Many government organisations and private institutions offer grants, competitions, and funding opportunities for innovative AI projects. Research and apply for these opportunities to secure non-dilutive funding.

Partnerships and collaborations

Consider forming strategic partnerships or collaborations with organisations that have complementary resources or expertise. These partnerships can help reduce development costs and accelerate the project.

The Bottom Line

Building an AI video generator like Synthesia is a complex and resource-intensive Endeavour. The costs associated with such a project can vary widely depending on factors like scope, team composition, technology choices, and data acquisition. It's essential to conduct a thorough feasibility study and budget analysis before embarking on this journey.

While the upfront costs can be daunting, the potential benefits are significant. AI video generators have the power to democratize video production, making it accessible to a broader audience. Businesses, content creators, and mobile app development companies can tap into this technology to create engaging video content more efficiently and cost-effectively.

Frequently Asked Questions

What is an AI video generator, and how does it work?

 An AI video generator is a technology that uses artificial intelligence and machine learning to convert text input into video content. It works by analysing the text, selecting appropriate visual elements, and generating animations or video clips that correspond to the text, creating a seamless and engaging video experience.

How much does it cost to build an AI video generator like Synthesia?

The cost of building an AI video generator like Synthesia can vary widely depending on factors such as project scope, team composition, technology stack, and data acquisition. A rough estimate for a medium-sized project might range from $300,000 to $1.5 million, but precise cost estimation requires a detailed project plan.

What are the key challenges in developing an AI video generator?

 Developing an AI video generator presents several challenges, including training and fine-tuning machine learning models, acquiring and managing large datasets, ensuring natural language processing accuracy, creating visually appealing animations, and building a user-friendly interface. Additionally, copyright and licensing considerations can pose legal challenges.

How long does it take to build an AI video generator from scratch?

The timeline for developing an AI video generator depends on project complexity and team size. A rough estimate for a medium-sized project might range from 12 to 24 months. More complex projects with advanced features may take longer. Timelines can be influenced by factors such as data collection and model training.

What are the potential use cases for an AI video generator like Synthesia?

AI video generators have a wide range of applications, including creating marketing videos, e-learning content, personalised video messages, language translation, and accessibility features like generating sign language videos. Businesses can use them for content marketing, while educational institutions can leverage them for creating engaging instructional content.

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