OLMo-2-0425-1B

We introduce OLMo 2 1B, the smallest model in the OLMo 2 family. OLMo 2 was pre-trained on OLMo-mix-1124 and uses Dolmino-mix-1124 for mid-training. OLMo 2 is the latest in a series of **O**pen **L**anguage **Mo**dels designed to enable the science of language models. We have released all code, checkpoints, logs, and associated training details on GitHub. If using vLLM, you will need to install from the main branch until v0.7.4 is released. Please

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