University of Groningen
Middle East Technical University
Patrick LewisSenior Director of Agentic AI · CohereResearcher↗
Researcher · Engineer
Ahmet Üstün
CohereCode Agents Lead
Üstün led Aya, Cohere's open-access language model spanning 101 languages, more than half with limited training data.[1] His work helps AI serve languages often overlooked by major models. He now leads Cohere's code-agent work, building models that can plan and carry out software tasks.
Career & education
Current role
Code Agents Lead
Previously
Cybersoft2014-2017Research and Development Engineer
Cybersoft2014-2017Work and education history is primarily focused on AI-relevant roles and may not be comprehensive.
Citation Trend
Total citations to scholarly work, including research papers, technical reports, books and theses, as recorded by Google Scholar. Each point is a dated snapshot.
citations4,096As of Nov 6, '26
citations+930Since last snapshot, Jun 15, '26
References
- Aya Model: An Instruction Finetuned Open-Access Multilingual Language Modelaclanthology.org
Üstün is first author; original Aya follows instructions in 101 languages, over half classified as lower-resourced.
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Reviewed August 24, 2026 · Checked for accuracy and new information.
