Elon Musk-led xAI is expected to launch its next major AI model, Grok 3.5, soon. Over the past week, several posts on X (formerly Twitter) have revealed new code references, app updates, and subtle confirmations from Musk himself, all pointing toward an imminent launch. A recent leak caught attention after spotting a model labeled grok-3-5-api-2k-p2 in Grok latest web build.