AIGC Weekly (Y26W38): Frontier Model Prices Halve

Claude Opus 5.5 and GPT-6 Sol/Luna cut code and reasoning token prices roughly in half this week, while Xiaomi open-sourced its native omni-modal MiMo-V2.6. Combined with Google's AX orchestrator and end-to-end safety agents entering the stack, the cost curve for frontier AI is dropping fast right now.