Chinese flagships line up on the same day: MiniMax M3 and Z.AI GLM-5.2

MiniMax tags M3 as 'NEW' in its homepage nav, describing it as powered by MiniMax Sparse Attention (MSA), supporting 1M tokens of context (minimum 512K), natively multimodal, with a self-reported BrowseComp of 83.5 vs Opus 4.7's 79.3. Z.AI positions GLM-5.2 with a self-reported 51 on the Artificial Analysis composite (top three alongside Anthropic and OpenAI, open-source SOTA) and pushes GLM-5V-Turbo as a multimodal Coding model. Moonshot's Kimi homepage marks K2.6 as the flagship alongside Claw / Code / Doodle. Qwen frames Qwen Studio as a unified product surface.