Table 1.

Publicly available generative artificial intelligence (AI) services based on large language models.

Institution	Interface	Model	Notes
Open AI	Chat GPT	GPT-4	Most advanced publicly available model
BigScience	Hugging Face	BLOOM	Open-source model
Alphabet (Google)	Bard	LaMDA	Currently still labeled as “experimental”
Anthropic	Claude	AnthropicLM	Model trained on “constitutional” principles with the goal of enhanced safety
Stanford	Alpaca	LLaMA (Meta)	Much smaller than other models and able to run locally