Now tell me,
what shall we solve?
Powerful, safe AI Agents ready
for your business.
Gretchen for Fighting Disinformation
Explore Gretchen AI’s cutting-edge all media type manipulation, deepfake and decontextualization detection.
Image
Gretchen for Image Manipulation, Deepfake Detection and Decontextualization Detection
Verify authenticity and obtain transparent, explainable insights from image analysis.
Speech
Gretchen for Voice and Speech Manipulation as well as Deepfake Detection
Verify authenticity and obtain transparent, explainable insights from audio analysis.
Video
Gretchen for Manipulation, Deepfake Detection, Synthesis and Decontextualization Detection for Video
Verify authenticity and obtain transparent, explainable insights from video analysis.
News
Gretchen for False Claims and Fake News Detection
Verify authenticity and obtain transparent, explainable insights from articles, posts or text narrative analysis.
Gretchen for Knowledge and Business Intelligence
Explore Gretchen AI’s powerful AI-driven insight generation driving complex analyses with the simplicity of a message.
Content Creation
Gretchen for Content Creation and Creativity
Integrating directly into your editorial workflows, you collaborate seamlessly with Gretchen in order to produce high-quality AI content.
Empowered Search
Gretchen for Empowered Search
Swiftly and accurately explore your entire data or document-collections. Gretchen AI delivers relevant answers without hallucinations.
Customer Support
Gretchen for Customer Support
Uncover and serve your customers’ true needs and support requests — aligned with your brand guidelines. Enhanced your service by Gretchen’s conversational experience.
Public Relations
Gretchen for Analysis of Public Relations
Monitor public sentiment around your brand or products, ensuring you stay informed and can swiftly respond to emerging trends.

Why Gretchen AI?
Choose Gretchen AI to harness cutting-edge innovation for your business challenges. Built on a robust agent framework of proprietary fine-tuned models, Gretchen AI provides a single entry point for diverse AI tasks — from advanced reasoning to real-time analytics. All without compromising on scalability, safety, or business alignment.
Our domain experts in vision-, audio-, and text-based AI ensure that every solution we deliver is both state-of-the-art and enterprise-ready.
Who is Gretchen AI?
Gretchen AI was founded by three researchers—Tim, Daniel, and Arnab—who recognized a critical need in Germany’s AI landscape: bringing state-of-the-art research to direct business value. Drawing from many years of academic and industry experience, we focus to building AI solutions that dynamically scale and prioritize safety.
Our mission is simple yet transformative: bring accessible and impactful AI capabilities to organizations of all sizes.



Dr.-Ing. Tim Polzehl
Senior AI Expert

Arnab Das
Deepfake and DevOps Expert

Daniel Röder
LLM / RAG Expert
Located in the center of Berlin, DFKI’s Speech and Language Technology (SLT) Lab hosts Germany’s largest R&D media verification project to date: news-polygraph, including partners like Deutsche Welle, RBB, Fraunhofer IDMT, and Technische Universität Berlin.
Since many years the Gretchen founders have worked in cutting-edge DFKI research projects on fighting disinformation as well as on knowledge and business intelligence solutions.

Our Vision
At Gretchen AI, we envision a future where a single, easy-to-use entry point— our Gretchen— empowers businesses to solve a variety of complex tasks without the hassle of multiple platforms or implementations. By unifying client data sources and leveraging state-of-the-art AI performance, we’ve built a framework that adapts seamlessly to changing demands. Our goal is to shape a German (and global) business landscape where reliable, world-class AI capabilities are within everyone’s reach—driving innovation, efficiency, and sustainable growth.
