Anthropic+xAI compute partnership Colossus 1, Claude M365 GA, GPT-Realtime-2 voice reasoning
Week of May 5 to 7, 2026: Anthropic leases Colossus 1 from xAI (220,000 GPUs), Claude for M365 goes GA, GPT-Realtime-2 with GPT-5 reasoning, Perplexity Personal Computer for Mac, Finance Search API, and ElevenLabs at $500M ARR.