Dear colleagues in Corpora list, good afternoon

Today, May 5, *World Portuguese Language Day* is being celebrated. We are joining in this celebration by expanding our family of AI agents Evaristo.ai https://evaristo.ai/.

Nurtured within the *PORTULAN https://portulanclarin.net/* node of CLARIN Research Infrastructure, and developed in partnership with the *Academy of Sciences of Lisbon* and its grand reference dictionary https://dicionario.acad-ciencias.pt/, we are launching the new chatbot *Evaristo.ai – Linguagem clara* https://evaristo.ai/linguagem-clara/, which specialises in rewriting texts into plain language in accordance with the international standard ISO 24495-1.

This chatbot joins other chatbots we launched in recent months:

Evaristo.ai - Generalist https://evaristo.ai/ A generalist chatbot, powered by the knowledge in Gervásio 70B https://huggingface.co/PORTULAN, the largest open-source LLM specialising in Portuguese (June 2025)

Evaristo.ai - Public services https://evaristo.ai/servicos-publicos/ A chatbot specialising in Portuguese public administration services, based on the gov.pt https://www.gov.pt/ official website (November 2025)

We invite you to try it out. Your feedback is most welcome.

Kind regards,

António Branco