Published onApril 21, 2026AI News Summary - Week 17.1, 2026AInewsMetaMuse-SparkAnthropicGoogleBroadcomOpenAIcomputeMeta unveils Muse Spark, its first model from the new Superintelligence Labs, Anthropic secures 3.5 GW of Google TPU capacity in a massive compute deal, and OpenAI's internal memo reveals intensifying rivalry with Anthropic.