AI News 2026-08-19 — Top 10 AI Stories

Curated AI news digest for 2026-08-19 (timezone Asia/Shanghai).

  1. OpenAI launches a safer ChatGPT for teens — years after teens started using it — TechCrunch AI. ChatGPT for Teens adds age-appropriate safety measures, parental controls, and learning tools designed to steer teens away from harmful content — and from using AI to cheat on their homework.
  2. OpenAI institutes new safeguards after Hugging Face breach — TechCrunch AI. The new safeguards include more detailed monitoring of models during the development process, as well as greater emphasis on alignment and security during the post-training process.
  3. Introducing ChatGPT for Teens: Built for learning, backed by protections — OpenAI Blog. ChatGPT for Teens helps teens learn, think critically, and use AI with confidence, with stronger built-in protections, healthy-use features, and additional controls for parents.
  4. Cursor capitalizes on GitHub frustration, launches rival hosting platform — TechCrunch AI. Cursor, known for its AI Code Editor, is launching a new code-hosting platform to rival developers' long preferred favorite, GitHub.
  5. We still don’t know how people are really using AI — MIT Technology Review. AI companies like Anthropic and OpenAI regularly publish reports on how people are using products like Claude and ChatGPT, but they only release the data they want us to see, AI researchers say. “There is no independent source to corroborate it,” says Anka Reuel, a computer scie…
  6. Strengthening democratic oversight in national security — OpenAI Blog. OpenAI launches an initiative to strengthen democratic oversight of AI in national security, supporting government institutions with tools, training, and expertise.
  7. 智谱 GLM-5.3 模型 API 上线，权重下周五开源 — IT之家. IT之家 8 月 19 日消息，智谱今日宣布，GLM-5.3 API 即日起正式上线。模型擅长复杂编码、防御性网络安全以及长程任务。 官方称，GLM-5.3 在全球权威的 Artificial Analysis Intelligence Index（AA 综合智能指数）中取得 60 分，进入全球前沿模型能力区间，与 Claude Fable 5、GPT-5.6 Sol 等闭源旗舰模型处于同一水平，并与 Kimi K3 并列开源模型第一。 AA 指数覆盖知识、推理、编码、智能体等多项评测，衡量模型在真实复杂任务中的综合能力 在达到同档智能水平的同时，GL…
  8. OpenAI 二季度营收 67 亿美元环比增 18%，被 Anthropic 营收反超且亏损持续扩大 — IT之家. IT之家 8 月 19 日消息，据《华尔街日报》报道，OpenAI 告诉投资者，公司第二季度营收较第一季度增长 18%，但亏损进一步扩大。这一结果令部分股东感到失望，因为他们原本希望这家初创公司能够进一步缩小与竞争对手 Anthropic 之间的差距。 知情人士透露，在截至 6 月的三个月里，OpenAI 营收从第一季度的 57 亿美元（IT之家注：现汇率约合 385.14 亿元人民币）增至 67 亿美元（现汇率约合 452.71 亿元人民币）。不过，公司的营业利润率进一步陷入负值，距离实现盈利越来越远，而市场一直期待 OpenAI 能够在不久后启动备…
  9. 10 倍词元容量：Cerebras 推出 WSE-3 Turbo 芯片与 CS-4 系统 — IT之家. IT之家 8 月 19 日消息，晶圆级 AI 推理加速器制造商 Cerebras 当地时间 18 日宣布推出其新一代芯片 WSE-3 Turbo 和基于该芯片的 CS-4 系统。与上代 CS-3 相比，CS-4 带来了 10 倍的词元容量和 2 倍的速度。 与此前的 WSE-3 类似，WSE-3 Turbo 集成了 90 万个核心和 44GB SRAM 片上缓存，但其 FP16 稀疏 AI 算力、内存带宽、片上互联带宽、I/O 带宽均实现翻倍。而 CS-4 系统则可集成 3 块 WSE-3 Turbo，进一步提升了算力密度。 Cerebras 表示，C…
  10. 650亿美元！IPO前夕，Anthropic营收底牌曝光 — 量子位. 回头看，A社就这样完成了反超

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