Anthropic

Founded in 2021 by former OpenAI researchers with the goal of making AI safer and more trustworthy, Anthropic has secured major investment from Amazon and Google while simultaneously pursuing AI safety research and commercial product development.

Its flagship product Claude is known for its ability to read and analyze lengthy documents such as contracts and reports, as well as its strength in writing and reviewing code. Claude is noted for its wide context window compared to competing models and its high consistency in following instructions accurately. It has established itself as the most compelling enterprise alternative to OpenAI, especially in legal, finance, and development use cases.