AI companies in the US raised $18.9 billion in Q3 of 2024, representing 28% of all venture funding.OpenAI raised $6.6bn in Q3 of 2024, the largest venture deal of all time.The US saw six AI funding rounds over $1bn in 2024.Here are the U.S.-based AI companies that raised $100 million or more so far in 2024.In October, OpenAI raised a $6.6 billion round, followed by EvenUp's $135m round, KoBold Metals' $491.5m round, and Poolside's $500m round.In September, Glean closed on its $260m series E round followed by Safe Superintelligence's $1bn round.In August, Magic raised a $320m series C round, and Groq raised a $640m series D round.In July, legal tech company Harvey raised a $100m series C round followed by Skild AI's $300m round.In June, Scale AI raised $1bn in a series F round, and AlphaSense raised $650m in a series F round.In May, xAI raised $6bn in a series B round, and Weka raised $140m in a series E round.