DeepL, a leading global company in Language AI, today announced an expansion of its popular API solution with two powerful new features: DeepL's next-generation language model and DeepL API for Write.
The new model delivers more accurate and consistent translations, while the introduction of the DeepL API for Write gives users access to the company’s advanced writing tools, including grammar checker, spell checker, and more. Together, these improvements provide DeepL’s rapidly growing API customer network with an even more comprehensive set of Language AI tools, improving communication, increasing efficiency, and reducing costs.

One step closer to globally seamless communication
“The expansion of DeepL’s API solution with next-generation LLM-powered translations and advanced writing capabilities is an important milestone for us as we continue our mission to break down language barriers for businesses around the world, enabling them to grow faster in new markets,” says Sebastian Enderlein, CTO at DeepL.
A new level of integrated language processing
The API is one of DeepL's most popular solutions thanks to its flexibility and ease of use – it has truly become a key tool for companies looking to improve the quality and efficiency of their linguistic processes through automation. With DeepL API companies can integrate our Language AI tools directly into their internal and external applications, such as email flows, e-commerce platforms, and more.
Trusted by industry leaders
Leading brands within a row Various industries, such as Deutsche Bahn, Weglot, Panasonic Connect, 24Translate and Alza, rely on the DeepL API, which provides programmatic access to DeepL's specialized Language AI technology.

New features and benefits in the API solution
With these latest updates, DeepL offers:'s API solution now has the following extended features and benefits:
- Improved translation quality: Blind tests show that DeepL's new model performs better than both previous versions and competitors.
- Access to DeepL Write via API: Provides users with advanced AI-based writing suggestions in real time, improving business communication at all stages.
Customer Story: Alza's Success with DeepL API
“When my team and I were preparing for international expansion […] we chose the DeepL API, which turned out to be a fantastic decision,” says Jakub Kalina, Head of Localization, Alza.
World-class language support and security
The DeepL API with the next-generation language model is now available in 33 languages. The DeepL API for Write supports several major business languages and meets strict security requirements – no data from API Pro accounts is used for model training.
Want to try the DeepL API?
For more information and to try DeepL's API solution for your business, visit:
https://www.deepl.com/products/api