This week: OpenAI launches a $100/month ChatGPT Pro plan with 5x the Codex capacity, targeting Anthropic's Claude head-on as Codex hits 3M weekly users. Anthropic's enterprise-only Mythos release draws criticism as a potential anti-distillation strategy, though startup Aisle claims they've already replicated key results. Meanwhile, Meta AI surges to #5 on the App Store after launching Muse Spark, racking up 46K daily iOS downloads and proving distribution still matters in the AI race.