ZiYA2

text · generative · anchor

Findings

• IC-427Newer base models (post-November 2023) outperform older ones by 7.3 points on MMLU and 19.1 points on GSM8K controlling for pretraining compute, but this gap vanishes after fine-tuning all models on the same task-relevant data

Shared mechanisms

• Method artefactalso in Baichuan, CLIP / CLIP-ViT (LC), ConvNeXt, EfficientNet, Falcon, Gemma, Gemma 2, GPT-2, GPT-3.5 / ChatGPT-3.5, GPT-4o, GPT-J, InternLM, Llama 2 / Llama 2 base, Llama 3, Llama 3.1, MAP-NEO, Mistral 7B / Mistral / Mistral 3 7B / Mistral-0.2-7B / Mistral-v0.1, OLMo / OLMo base, OpenCLIP, OpenLLaMA, OPT, Pythia, Qwen1.5, Qwen 2, Qwen2.5, RedPajama, ResNet / ResNet-152 / ResNet-101 / ResNet-50-BN, Skywork, Stable Diffusion, StableLM, TerraMind, ViT, Yi