Meta's Muse World Model Steals the Spotlight from OpenAI and Anthropic
AI news brief: the race to push the frontier between OpenAI and Anthropic has heated up fast — Anthropic dropped Opus 5.5, and just 90 minutes later OpenAI shipped a GPT-6 update, a rare same-week showdown. But the real spotlight-stealer was Meta: its personal AI agent Muse reportedly grew faster than ChatGPT did at launch, showing the product is climbing the adoption curve quicker than expected.