01
Model release
MiniMax opens M3.1 Flash Preview for multimodal coding with 1M context
M3.1 Flash Preview supports text, image and video inputs, a one-million-token context and adjustable thinking effort for coding and agent tasks.
CURATED TIMELINE · EDITORIAL EDITION
China’s Open-Model Playbook
Follow the market’s shifts from bilingual chat models and hyperscaler-backed open families to sparse MoE efficiency, controllable reasoning, and long-context products across ChatGLM, Qwen, DeepSeek, and Kimi.
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17 nodes2022.06—2026.09 · Editorially curated · Updated 2026-08-13
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The timeline
Reviewed event briefs and original editorial context, ordered to show how the story changed over time.
- 02Industry event
Xiaomi releases MiMo V2.6 MOPD checkpoints to reduce repeated tool calls
Updated Pro and Flash checkpoints address tool-call repetition; API updates were already deployed on September 25 with unchanged identifiers.
- 03Model release
Meituan opens LongCat-2.5-Preview with image understanding and coding upgrades
LongCat-2.5-Preview adds image understanding, cross-modal questions and visual reasoning while improving code generation and development-tool compatibility.
- 04Model release
DeepSeek updates the deepseek-v4-pro API to DeepSeek-V4-Pro-0813
DeepSeek official documentation confirms that deepseek-v4-pro now serves DeepSeek-V4-Pro-0813 under the unchanged API model name, with a one-million-token context window, up to 384K output tokens, and Responses API support.
- 05Open-source release
Moonshot AI releases the full Kimi K3 weights
Moonshot AI published the official Kimi K3 repository and full model weights on Hugging Face on July 27, 2026. The 2.8-trillion-parameter multimodal model and its code use the Kimi K3 License.