Overview of LLM research papers in 2026 (January-May)

Researcher Sebastian Raschka compiles and comments on the most important publications on major language models published between January and May 2026.

In this summary, Sebastian Raschka looks back at the main research publications that marked the first half of 2026 in the field of large language models, covering architectures as well as training and evaluation methods.

The article puts into perspective works such as Deep Delta Learning, MiMo-V2-Flash or the Ministral 3 series, by situating each contribution in the major research trends of the year: computational efficiency, reasoning and alignment.