GPT-5.4 is Real. OpenAI accidentally leaked the hardcore update for GPT-5.4 on GitHub! Although the PR was urgently deleted, the core secrets have already gone viral across the internet. The rumored 3 epic upgrades: 2 million token window + persistent memory: Kind of unbelievable. ️ Full-resolution image processing: Native support for PNG/JPEG/WebP. ⚡ Brand-new 'priority speed layer': More expensive, but delivers an ultra-fast response experience. Is OpenAI really panicking this time?