Jiufeng Blog — AI Insights, Tutorials & Updates

OpenAI lets Codex delegate grunt work to cheaper Luna agents
OpenAI's Codex gains cross-model delegation so GPT-5.6 Sol can offload bounded work to cheaper Luna, while Anthropic reveals a bio-weapons filter sat off for nearly a year across 133M chats.

No frontier AI model tops 60% at visual perception
Moonshot's PerceptionBench finds no frontier model reaches 60% at visual perception; a Princeton/AISI study also disputes that AI can run research on its own.

Alibaba open-sources Qwen 3.8 27B under Apache 2.0
Alibaba open-sources 27B multimodal Qwen 3.8 (262K context); Grok 4.6 lands in GitHub Copilot; Anthropic and Google adjust AI watermarking under EU AI Act.

Z.ai ships GLM-5.3 with post-training-only coding gains
Z.ai's GLM-5.3 lifts coding and security via post-training alone; a Composio test swings DeepSeek V4 Flash by 20 points; Apple trains a China model with Alibaba.

Google ships Gemini 3.7 Flash at half price
Google ships Gemini 3.7 Flash at half price; OpenAI's GPT-5.6 Sol hits 750 tok/s; ChatGPT gains cross-app memory; DeepSeek open-sources its Harness framework.

Grok 4.6 matches GPT-5.6 on the AA Index, priced 60% lower
Grok 4.6 ties GPT-5.6 on the AA Index at 60% lower cost; DeepSeek's new peak/off-peak V4 rates still rise above today's; Claude's watermark ships with a removal tool; plus WeChat WeLM and giftable ChatGPT credits.

Cognition adds Grok 4.6 to Devin's coding platform
Cognition adds Grok 4.6 to Devin; Alibaba open-weights Qwen3.8-2.4T-A95B; DeepSeek V4 Pro ships a 1M-token tier; Gemini's share slides; Anthropic hits 14.9%.

Grok Bot's hidden picker lists 33 models from rivals
Hot-model news leads: Grok Bot's hidden picker lists 33 models, Microsoft's MAI Code 1.1 Flash trails DeepSeek, and OpenArt promotes Qwen-Image-3.0, plus ChatGPT on Linux and River AI's $1.1B raise.

ChatGPT and Gemini each pass 1 billion monthly users
ChatGPT and Gemini each pass 1 billion monthly users, Nvidia open-sources Nemotron 3.5 Lightning, and OpenAI's Daybreak cyber models arrive on Amazon Bedrock.