Allen AI released Tülu 3 Models: Open post language model post-training
allenai.org
allenai.org
Competive with Claude 3.5 haiku, beats all major open models like Llama 3.1 70B, Qwen 2.5 (except MATH) and Nemotron
All their recipe - code, datasets and model checkpoints are public and out in open!