Providing online non-downloadable computer software platforms for the curation, discovery, evaluation, and hosting of machine learning models, including large language models (LLMs), fine-tuned model adapters, and training datasets; hosting an online marketplace featuring downloadable and non-downloadable AI models and data components; providing software tools for comparing, evaluating, and deploying LLMs and their associated adapters; offering benchmarking, documentation, and integration guidance for AI model selection; providing temporary use of non-downloadable software for running, customizing, and integrating third-party machine learning models into client applications; offering tutorials and guidance for data scraping, model training, and applied AI practices; and providing an online community forum for discussion, peer support, and knowledge exchange among practitioners in the field of artificial intelligence.