News this week that OpenAI eclipsed one million square feet in San Francisco office leases, paired with the tech company Databricks’ deal to take over 90,000 square feet in downtown, buttressed the ongoing story of San Francisco’s momentous office return. Demand for office space in the city reached 8 million square feet at the end of 2025, according to CBRE — an all-time high. The city’s vacancy rate is dipping — though it still sits around 30.8 percent — and artificial intelligence companies are pouring into the market. Despite all of this momentum for office space, a new report this [...] This article originally appeared on The Real Deal. Click here to read the full story.