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Deeper, thinner models outperform wider ones in sub-150M parameter regime

Researchers have explored the impact of model depth versus width in the sub-150 million parameter range, finding that a deeper, thinner architecture (23 layers x 576 hidden) outperformed a wider, shallower one (53.5M vs 110M parameters) when using the same training recipe and data. The larger 110M parameter model achieved better results on benchmarks like BLiMP and ARC-Easy with fewer training tokens, suggesting depth is more critical than scale in this parameter regime. Further experiments with value residuals and the Muon optimizer showed significant improvements on the ARC-Easy benchmark. AI

IMPACT Demonstrates that architectural choices like depth can be more impactful than parameter count in smaller models, guiding future efficient model design.

RANK_REASON This is a research paper detailing model architecture experiments and benchmark results. [lever_c_demoted from research: ic=1 ai=1.0]

Read on arXiv cs.AI →

AI-generated summary · Google Gemini · from 1 sources. How we write summaries →

Deeper, thinner models outperform wider ones in sub-150M parameter regime

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This is a research paper detailing model architecture experiments and benchmark results. [lever_c_demoted from research: ic=1 ai=1.0]
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COVERAGE [1]

  1. arXiv cs.AI TIER_1 English(EN) · Dushyant Rajput (AltSlate Labs LLP), Nirdesh Chauhan (AltSlate Labs LLP), Siddharth Kosaraju (AltSlate Labs LLP) ·

    Depth and Scale in the Sub-150M Regime: JugnuLM-53M vs JugnuLM-110M

    arXiv:2609.14715v1 Announce Type: new Abstract: We scale our conventional sub-150M pretraining recipe from 53.5M to 109.7M parameters, holding the method fixed (Qwen3-style decoder with grouped-query attention, RoPE, SwiGLU, RMSNorm, QK-Norm, and a z-loss; FineWeb-Edu data) and c…