The provided source content for "OpenAI's Next Round" published Sept. 18, 2026 does not contain any article body text detailing a funding round. As a result, no specific information on the round's milestone, amount, investors, use of funds, or notable metrics such as clients, revenue, pipeline, or employee count is available in the excerpt, which only includes navigation and subscription prompts. A factual, data-rich summary cannot be generated from this source without additional verifiable content.