CRAC 2026 Shared Task on Multilingual Coreference Resolution

Deadline: March 18, 2026

Participate in the CRAC 2026 Shared Task on Multilingual Coreference Resolution, focusing on LLMs’ coreference prediction across diverse languages.

The fifth edition of the Shared Task on Multilingual Coreference Resolution is announced, focusing on challenging LLMs’ ability to predict coreference across diverse languages.

Key aspects include:

• Two tracks: LLM track and Unconstrained track
• Task: Identify mentions and cluster them according to their reference to the same entity
• Data: CorefUD 1.4 collection with coreference annotation for at least 17 languages

Results will be presented at the CODI-CRAC 2026 workshop, co-located with ACL 2026 in San Diego, USA.

Timeline:

• January 16, 2026: Start of development phase
• March 4, 2026: Start of evaluation phase
• March 18, 2026: End of evaluation phase
• April 10, 2026: Submission of system description papers

To participate, register at https://ufal.mff.cuni.cz/corefud/crac26#llm-registration

Tags: CRAC 2026, Multilingual Coreference Resolution, LLMs, NLP, ACL 2026, CODI-CRAC 2026, CorefUD 1.4