Sierra has raised $950 million in funding, led by Tiger Global and GV, achieving a valuation of over $15 billion. The company plans to invest over $1 billion to establish itself as the global standard for AI-driven customer experience transformation, currently serving over 40% of Fortune 500 companies.

OpenAI focuses on starting with customer experience and working backwards to technology development. Researchers at OpenAI aim to create innovative solutions that enhance their chat and enterprise products.