Seattle-based startup Read AI has successfully raised $50 million in new funding, aiming to enhance its enterprise software offerings. The company, which is valued at $450 million, focuses on generative AI tools designed to improve productivity in the workplace. Read AI has reported a significant growth trajectory, adding approximately 100,000 new accounts each week and serving 75% of the Fortune 500 companies without any marketing expenditure. The funding will support the company's vision of becoming a ubiquitous AI copilot across various enterprise applications, including the recently launched Read AI for Gmail.