# News: September 22, 2026

> 8 curated links on AI agents, Python, security, Google Cloud, and engineering, selected by Médéric Hurier.

- Author: [Médéric Hurier (Fmind)](https://www.fmind.dev/)
- Published: 2026-09-22
- URL: https://www.fmind.dev/news/2026-09-22/

- [Introducing Grok 4.7](<https://x.ai/news/grok-4-7>): xAI releases Grok 4.7, its flagship frontier model for coding and knowledge work designed to deliver twice the speed at half the price of comparable models.
- [MiMo-V2.6](<https://mimo.xiaomi.com/mimo-v2-6>): Xiaomi introduces the MiMo-V2.6 model series, delivering frontier multimodal intelligence while livestreaming its massive-scale reinforcement learning post-training in public.
- [An ex-OpenAI researcher just deleted language from the LLM...](<https://www.youtube.com/watch?v=TbkUKCm3CHQ>): Fireship breaks down Jev, a decision-only "System 1" AI model by ex-OpenAI researcher Diogo Almeida that eliminates language generation to execute actions 200 times faster without hallucinations.
- [Harness Engineering Explained – Inside the Stack Behind Antigravity, Claude Code & Cursor](<https://www.youtube.com/watch?v=F8EZJAm9iO8>): Google Cloud Tech breaks down agent harness architecture with Ryan Lopopolo, exploring the execution environments and engineering principles powering tools like Antigravity, Claude Code, and Cursor.
- [GLM-5.3 delivers Opus 4.8-level cybersecurity results at a fraction of the cost](<https://semgrep.dev/blog/2026/glm-53-delivers-opus-48-level-cybersecurity-results-at-a-fraction-of-the-cost>): Semgrep benchmarks Z.ai's GLM-5.3 against real-world vulnerability datasets, showing it achieves Opus 4.8-level cybersecurity detection performance at a fraction of the cost.
- [Strengthen your CI/CD pipeline with new Secure Source Manager capabilities](<https://cloud.google.com/blog/products/identity-security/strengthen-your-cicd-pipeline-with-new-secure-source-manager-capabilities>): Google Cloud expands Secure Source Manager to protect software supply chains with unified authentication and authorization across source repositories and CI/CD pipelines.
- [Arena.ai on X](<https://x.com/arena/status/2102142912943489220>): Arena.ai reports that Xiaomi's MiMo-V2.6-Pro debuted in the top 10 on the Code Arena WebDev leaderboard with 1628 points, ranking third among MIT-licensed open-weights models.
- [Jensen Huang – The Doomer Hoax, Superintelligence is Here, and The Future of AI](<https://www.youtube.com/watch?v=S7CrlFLAmEA>): Jensen Huang joins the All-In Podcast to discuss AI safety debates, superintelligence timelines, open-source model strategies, and global compute infrastructure.