Co-LMLM: 360M Model Beats 4T Token Giants
yoavartzi · x · 2026-07-14
A research team proposed Co-LMLM (Continuous-Query Limited Memory Language Models), a new architecture capable of processing general web text at pre-training scale while externalizing factual knowledge via an efficient external retrieval mechanism.
Experimental results show that this architecture offers extreme parameter efficiency:
- Lower Perplexity: Trained with only 100 billion tokens and 360M parameters, its Perplexity (PPL) significantly outperforms conventional models trained on 4 trillion tokens.
- Stronger Factual QA: It scored 21.7 on the SimpleQA-Verified benchmark, matching or even exceeding frontier large models like GPT-4o-mini and Claude 3.5 Sonnet.
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