OpenAI closed a $120B funding round led by Amazon ($50B), SoftBank ($30B), and Nvidia ($30B)—the largest private technology fundraise in history. This capital influx signals sustained investor confidence in frontier LLM development amid intense competition.

OpenAI released GPT-5.5 on April 23, described as its smartest model yet with improvements in speed and capability for coding, research, and data analysis. The release represents incremental capability gains in the core reasoning model line.

Fireworks AI, which provides inference infrastructure for running AI models, is raising funding at a $15B valuation as of May 27, 2026. The valuation reflects demand for cost-effective model serving and deployment platforms.

SpaceX acquired xAI on February 2, 2026 in an all-stock transaction valuing SpaceX at $1 trillion, with xAI structured as a subsidiary. The integration gives SpaceX direct control of Colossus, xAI's 1M+ GPU training cluster.

Google announced an updated Nano model built on Gemini 3.1 Flash with faster inference and improved instruction following, rolling out across Gemini chatbot, Search AI Mode, and Lens. The release targets cost and latency-sensitive deployment scenarios.