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Christos Koutsiaris

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#artificial intelligence Preprint Aug 2026

An Exploratory Ablation of a Small MLA--SSM Hybrid Language Model

An exploratory, single-seed ablation of TALH (Adaptive Latent Hybrid), a decoder-only language model with parallel Multi-head Latent Attention (MLA) and a custom recurrent state-space (SSM) branch supports implementation-specific hypotheses rather than general conclusions about MLA, SSMs, or mixture-of-experts models.

Christos Koutsiaris · 0 citations
#artificial intelligence Preprint Aug 2026

Nested Byte-Level Vocabularies Are Cheap to Deploy and Expensive to Share: A Pre-Registered Negative Result

Slicing a byte-level BPE tokenizer allows one language model to operate at several vocabulary sizes, use a control token to indicate the active size, and be deployed at any trained size by slicing its embedding and output head, yielding a falsifiable prediction for future work.

Christos Koutsiaris · 0 citations
#small language model Preprint Aug 2026

Daedalus-150M: A Convolution-Attention Hybrid Designed for CPU Inference

A conventional all-attention model of the same size on the same data and a conventional all-attention hybrid that beats GPT-2 124M, Pythia-160M, OPT-125M and GPT-neo-125M, and exceeds MobileLLM-125M's published score despite that model seeing a trillion tokens.

Christos Koutsiaris · 0 citations

Intent-Driven Dynamic Chunking: Segmenting Documents to Reflect Predicted Information Needs

Intent-Driven Dynamic Chunking (IDC) is introduced, a novel approach that uses predicted user queries to guide document segmentation and aligning document structure with anticipated information needs significantly boosts retrieval performance, particularly for long and heterogeneous documents.

Christos Koutsiaris · 0 citations

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