gguf gpt llm large language model h2o-llmstudio text-generation en dataset:HuggingFaceH4/ultrafeedback_binarized dataset:Intel/orca_dpo_pairs dataset:argilla/distilabel-math-preference-dpo dataset:Open-Orca/OpenOrca dataset:OpenAssistant/oasst2 dataset:HuggingFaceH4/ultrachat_200k dataset:meta-math/MetaMathQA arxiv:2401.16818 base_model:h2oai/h2o-danube-1.8b-chat base_model:quantized:h2oai/h2o-danube-1.8b-chat license:apache-2.0 region:us conversational