THE MODELS DESK

Models.

The capabilities, trade-offs and people behind China’s AI models.

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Models

Xiaomi Open-Sources MiDashengLM-Spatial, Claiming First End-to-End Spatial Audio Understanding Model

Xiaomi has released MiDashengLM-Spatial under the Apache 2.0 license, describing it as the first open-source end-to-end spatial audio understanding large model. Built on its existing MiDashengLM-7B audio-language model, the new version adds binaural perception and spatial reasoning through a dedicated spatial audio encoder, targeting smart home and car cockpit applications within Xiaomi's human-car-home ecosystem.

Models

Kuaishou's Kling 4.0 Goes Live to All Users With 30-Second Generation and Workflow Integration

Kuaishou has fully launched Kling 4.0 on klingai.com, opening its latest video generation model to all users. The upgrade introduces 30-second single-shot generation, 4K 10-bit HDR output, dual-channel stereo audio, improved lip-sync accuracy, and MCP/CLI integration, signaling a strategic shift toward embedding the model into professional production workflows rather than keeping it as a standalone demo tool.

Models

StepFun's Step 5 Preview Joins Tencent WorkBuddy With Two-Week Free Access

Tencent's AI office platform WorkBuddy has integrated StepFun's flagship Step 5 Preview model, offering users exclusive free access for two weeks. The MoE model features 600 billion total parameters with 27 billion active per token and ranks among the top three open-source models globally on Artificial Analysis.