At CSW we use AI-tools since the very beginning - also in our own fulfillment for SEO, SEA and Social Media. Yes, you can chalk that up to self-praise. But it makes us reasonably reliable assessors when it comes to practicality.
Five tools that actually deliver - for Voice-Overs, video generation, AI-Avatars, music and interactive formats. No claim to completeness, but an honest overview. And that's what it's all about below.
1) ElevenLabs: Voices that deceive
ElevenLabs has established itself as one of the most widely used platforms for AI-voice synthesis. Different languages, adjustable emotions, natural voice guidance - the result sounds better than many expected after the first demo videos.
According to TechCrunch achieved by ElevenLabs in 2025 330 million US dollars Annual Recurring Revenue (ARR) - the last growth interval from 200 to 330 million lasted just five months. That is a house number that shows: The market is taking the tool seriously.
Well suited for: professional Voice-Overs, E-learning-Content, advertising, audio books - without studio rental and without coordinating appointments with external speakers.
Who Voice-Over-If you want to cut costs without sacrificing quality, you're in good hands here.
2) Runway: Text in, video out
Text-to-Video sounds like a dream of the future. Runway has made it a usable tool. You describe in a text prompt what you want to see in the video - the AI builds it.
Spoiler: Manual rework is still required for pixel-perfect production videos. For concept visualizations, Storyboards and creative exploration is Runways approach but they are already suitable for practical use - and the development from Gen 2 to Gen 3 shows how quickly the segment is progressing.
Well suited for: Content Creator, Marketers and anyone who wants to visualize ideas quickly, without a production budget.
3) Synthesia: Avatars in 120 languages
Synthesia replaces camera, actor and sound studio with AI-generated avatars. Upload script, select avatar, export video - it sounds simple, because it really is simple.
TechCrunch reported, that Synthesia now has more than 60,000 business customers including half of the Fortune 100 companies. This shows how seriously the market is taking this technology.
Especially strong: Training videos, internal onboarding and explanatory formats. For teams that regularly produce such content, the price-performance ratio quickly pays off.
4) Boomy: music at the touch of a button
Music production is for most Content-teams is not a core issue. Boomy solves this pragmatically: select genre, adjust parameters, AI generates the song.
It doesn't replace a musician - that would be unfair to both. But for Background music in videos, presentations or Podcasts it's a solid solution. Without GEMA discussions, without license fees. Anyone who calculates what licensed music costs over a year will appreciate that.
Suitable for: anyone who regularly needs background music for content - fast, pragmatic, budget-friendly.
5) D-ID: Avatars that react
D-ID goes one step further than pure video generation. The AIAvatars are interactive - they respond to input and questions, which makes them ideal for dialog-based training formats and virtual assistants interesting.
Multilingual support also makes D-ID relevant for international teams. Who Marketing Automation with personalized avatar formats will find a practical introduction here.
Well suited for: interactive E-learning-formats, customer communication and presentations with question-and-answer character.
And now?
AI has not replaced content production - but it has considerably lowered the barriers to entry. Voice-Overs without a studio, videos without a camera, music without training. This is no longer hype. This is a toolbox.
Those who also want to increase visibility in AI-supported search systems, you should familiarize yourself with Generative AI Optimization (GAIO) The topic is becoming increasingly relevant for content teams.
Do you want to streamline your company's processes and make them more efficient? CSW accompanies you as AI-agency, from tool selection to integration into existing workflows. We use it all ourselves. Every day.
FAQs on AI tools for content production
What are KI content tools and how are they used?
AI-Content tools are software platforms that automate tasks such as speech synthesis, video generation, avatar creation or music production. They are used to speed up content production and reduce costs - without having to rely on external service providers.
Can I test ElevenLabs free of charge?
Yes. ElevenLabs offers free entry with limited functions. For professional use with a higher number of characters and more voice options, paid tariffs are required.
For whom is Synthesia worthwhile?
Synthesia is particularly worthwhile for teams that regularly Training videos, onboarding content or explanatory videos. For one-off projects, we recommend taking a close look at the price-performance ratio.
How good are AI-generated videos from Runway really?
The quality is already strong for concept visualizations and creative exploration. For highly consistent production videos, post-production is still required. Runway is recommended as an idea tool and accelerator - not as a complete replacement for classic video production.
Are AI-generated voices and avatars legally usable without any problems?
This depends on the platform and the intended use. Each platform has its own license conditions, which must be checked before commercial use. Special care must be taken with voice cloning functions of real people.
