Marcos Piau

According to our database, Marcos Piau authored at least 11 papers between 2020 and 2026.

Collaborative distances:

• Dijkstra number of five.
• Erdős number of four.

2026

LLM-Based Persuasion Enables Guardrail Override in Frontier LLMs.

Rodrigo Nogueira, Thales Sales Almeida, Giovana Kerche Bonás, André Roque, Ramon Pires, Hugo Queiroz Abonizio, Thiago Soares Laitz, Celio Larcher, Roseval Malaquias Junior, Marcos Piau

CoRR, May, 2026

Magis-Bench: Evaluating LLMs on Magistrate-Level Legal Tasks.

Ramon Pires, Thales Sales Almeida, Celio Larcher Junior, Giovana Kerche Bonás, Hugo Queiroz Abonizio, Marcos Piau, Roseval Malaquias Junior, Thiago Soares Laitz, Rodrigo Nogueira

CoRR, May, 2026

Prosa: Rubric-Based Evaluation of LLMs on Real User Chats in Brazilian Portuguese.

Roseval Malaquias Junior, Giovana Kerche Bonás, Thales Sales Almeida, Hugo Queiroz Abonizio, Thiago Soares Laitz, Ramon Pires, Marcos Piau, Celio Larcher, Rodrigo Nogueira

CoRR, May, 2026

Measuring Opinion Bias and Sycophancy via LLM-based Persuasion.

Rodrigo Nogueira, Giovana Kerche Bonás, Thales Sales Almeida, André Roque, Ramon Pires, Hugo Queiroz Abonizio, Thiago Soares Laitz, Celio Larcher, Roseval Malaquias Junior, Marcos Piau

CoRR, April, 2026

MARCA: A Checklist-Based Benchmark for Multilingual Web Search.

Thales Sales Almeida, Giovana Kerche Bonás, Ramon Pires, Celio Larcher, Hugo Queiroz Abonizio, Marcos Piau, Roseval Malaquias Junior, Rodrigo Nogueira, Thiago Soares Laitz

CoRR, April, 2026

CAPITU: A Benchmark for Evaluating Instruction-Following in Brazilian Portuguese with Literary Context.

Giovana Kerche Bonás, Roseval Malaquias Junior, Marcos Piau, Thiago Soares Laitz, Thales Sales Almeida, Hugo Queiroz Abonizio, Celio Larcher, Ramon Pires, Rodrigo Nogueira

CoRR, March, 2026

Sabiá-4 Technical Report.

Thiago Soares Laitz, Thales Sales Almeida, Hugo Queiroz Abonizio, Roseval Malaquias Junior, Giovana Kerche Bonás, Marcos Piau, Celio Larcher, Ramon Pires, Rodrigo Nogueira

CoRR, March, 2026

2024

The Chronicles of RAG: The Retriever, the Chunk and the Generator.

Paulo Finardi, Leonardo Avila, Rodrigo Castaldoni, Pedro Gengo, Celio Larcher, Marcos Piau, Pablo B. Costa, Vinicius Fernandes Caridá

CoRR, 2024

ptt5-v2: A Closer Look at Continued Pretraining of T5 Models for the Portuguese Language.

Marcos Piau, Roberto A. Lotufo, Rodrigo Nogueira

Proceedings of the Intelligent Systems - 34th Brazilian Conference, 2024

2023

Cabrita: closing the gap for foreign languages.

Celio Larcher, Marcos Piau, Paulo Finardi, Pedro Gengo, Piero Esposito, Vinicius F. Carida

CoRR, 2023

2020

PTT5: Pretraining and validating the T5 model on Brazilian Portuguese data.

Diedre Carmo, Marcos Piau, Israel Campiotti, Rodrigo Nogueira, Roberto A. Lotufo

CoRR, 2020