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OpenAI据报正加紧确保其下一代旗舰模型的安全发布，此前已因安全顾虑取消了一个较弱的模型版本，并将10%的算力 diverted 到安全工作；其新型循环架构使AI推理更难监控，美国政府的测试可能导致发布延迟最多30天。
阶跃星辰发布旗舰基座模型 Step 5 Preview，登陆 OpenRouter 热榜第一，主打 AI 编程与软件工程，支持 1M token 上下文。用户实测将其接入 Claude Code，用 Three.js 生成可交互 3D 小岛，效果媲美 Opus 5.5 且成本更低。
Zhipu releases flagship AI model GLM-5.3, achieving major breakthroughs in programming and cybersecurity vulnerability detection, aiming to challenge leading enterprises like Anthropic and OpenAI.
OpenAI announces GPT-4o, a flagship multimodal model that processes audio, vision, text, and video in real-time with 232ms average audio response latency. The model matches GPT-4 Turbo on text/code while significantly improving multilingual, audio, and vision capabilities at 50% cheaper API costs.