Carolina Suyungütmüs and Claudio E. C. Campelo. 2026. Comparative Evaluation of Prompt Compression Techniques for Large Language Models: Extractive, Abstractive, and Token-Pruning. In Anais do XXIII Encontro Nacional de Inteligência Artificial e Computacional, outubro 19, 2026, Cuiabá/MT, Brasil. SBC, Porto Alegre, Brasil, 575-586. DOI: https://doi.org/10.5753/eniac.2026.30057.