What is Synthesys?

Content last verified May 4, 2026 · by the AI Tools Set Research Team

Synthesys is an AI media studio combining realistic text-to-speech voices with talking avatar video generation. It offers many voices and languages plus a library of AI humans, letting you produce narrated avatar videos for marketing and training.

With both voice and video generation, it suits creators and businesses that want voiceovers and presenter videos from a single tool.

Key Features of Synthesys

AI voices: Realistic text-to-speech in many languages.
Avatar videos: Talking AI humans from a script.
Large library: Voices and presenters to choose from.
Commercial rights: Use output in business content.

Use Cases for Synthesys

Create voiceovers
Produce avatar videos
Localize content
Make marketing media
Narrate training

Pros & Cons

Pros

✓

Voice and video together

✓

Many voices

✓

Commercial use

✓

API available

Cons

✗

Realism trails top avatar tools

✗

No permanent free plan

Pricing

Free Trial

✓Limited credits

✓Sample voices

✓Watermark