DeepL, a global leader in Language AI, has unveiled significant updates to its widely-used API, introducing two powerful new features: the next-generation DeepL language model and the DeepL API for Write. These updates bring enhanced translation accuracy and advanced writing tools, including grammar suggestions, spelling corrections, and more, offering a comprehensive suite of solutions to help businesses improve communication, increase productivity, and drive cost efficiencies.
“The expansion of DeepL’s API solution with next-gen LLM-powered translations and advanced writing features marks a pivotal moment for us in our mission to break down language barriers for businesses worldwide,” said Sebastian Enderlein, CTO at DeepL. “The API has become one of DeepL’s most popular offerings due to its flexibility and ease of use. It plays a key role in helping businesses enhance the quality and efficiency of their language-related workflows through automation. With the DeepL API, companies can seamlessly integrate our Language AI tools into their internal and external applications—such as email workflows, e-commerce platforms, and more—addressing challenges like language barriers, content localization, and writing clarity. Importantly, it also upholds the enterprise-grade security standards that DeepL is known for, ensuring that sensitive data remains protected.”
Trusted by leading brands across various industries, including Deutsche Bahn, Weglot, Panasonic Connect, 24Translate, and Alza, DeepL’s API provides businesses with programmatic access to the company’s world-class Language AI technology. This integration allows organizations to take advantage of DeepL’s secure, high-quality translation and writing capabilities for both internal operations and customer-facing applications.
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The latest updates to DeepL’s API offer several notable improvements and benefits:
- Enhanced Translation Quality with Next-Gen LLM: DeepL’s next-generation language model delivers higher-quality translations, further optimizing efficiency. The integration of this cutting-edge model, powered by DeepL’s proprietary LLM technology, has led to remarkable improvements in translation accuracy. Blind tests conducted with top linguists showed a 1.7x improvement in English to Japanese and Simplified Chinese combinations, and a 1.4x improvement for English to German. Furthermore, DeepL’s next-gen model consistently outperforms competitors in translation quality. In 2024, blind tests revealed that DeepL’s translations required fewer edits compared to Google Translate, which needed 2x more edits, and ChatGPT-4, which required 3x more edits to achieve the same quality.
- Advanced Writing Tools with DeepL API for Write: The DeepL API now includes DeepL Write, an advanced writing assistant that enhances business communications. Unlike standard generative AI tools or basic grammar checkers, DeepL Write offers real-time, AI-powered suggestions for word choice, phrasing, style, and tone during the drafting process. This tool provides businesses with an effective solution to elevate the quality of their writing, from internal memos to customer-facing communications and contracts, transforming the way knowledge workers create content on a global scale.
“When my team and I were preparing for international expansion, we chose DeepL API, and it turned out to be a fantastic decision. The transition was smooth, and we immediately noticed a positive impact. Our proofreaders became more productive, and we saved thousands in monthly operating costs. DeepL API played a critical role in bringing our e-commerce business to the global stage by offering both efficiency and cost savings,” said Jakub Kalina, Head of Localization at Alza.
DeepL’s next-gen language model is now available for translations in English, Japanese, German, Korean, and Simplified Chinese, with additional languages planned for future releases. The DeepL API for Write is currently available in English (both US and UK), German, Spanish, French, Italian, and Portuguese (both European and Brazilian variants). Users of DeepL API Pro also benefit from enterprise-grade security and compliance standards, with the assurance that their translations are never used to train DeepL’s models.
These enhancements represent a significant leap forward in DeepL’s ability to support businesses in their global expansion efforts, offering improved translation quality and new writing capabilities to streamline communication and drive operational efficiencies.
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