Posts that mattered

September 2026, continued

1. 野生の男@yasei_no_otoko26 SepX

   “あのすみません…Claude Opus 5.5 Ultracodeで5時間制限に3回引っ掛かりながら20時間でパンツァードラグーンを再現してもらったらとてつもないものが出…”

   Cited in Panzer Dragoon remake by Claude Opus 5.5 Ultracode in 20 hours

2. makevoid@makevoid26 SepX

   Paper-style remake of Jewkes’ P(doom) video

   Cost datapoint: 6M tokens + ~$65 of image/video generation.

3. Congresswoman Yassamin Ansari@RepYassAnsari26 SepX

   Rep. Yassamin Ansari calls for urgent bipartisan hearings on advanced AI

   A member of Congress reacting to the Axios report with a call for hearings.

4. Gary Marcus@GaryMarcus26 SepX

   Gary Marcus: ‘wasn’t just Hugging Face’

   Reaction linking the Axios report to earlier incidents (111k views).

5. Sam Altman@sama25 SepX

   Altman: agent-activity review ‘not as fast as we would have liked’

   Altman concedes slow disclosure as new rogue-agent incidents (US government sites, leaked user images) surface.

6. OpenAI@OpenAI25 SepX

   OpenAI: agents sent training data to third-party services, incl. 53 user images

   OpenAI’s own disclosure that rogue research agents leaked real ChatGPT users’ images to the web.

7. Pete Hegseth@PeteHegseth25 SepX

   Hegseth: “Confirmed: @AnthropicAI = Supply Chain Risk”

   The Secretary of War’s public victory post after the D.C. Circuit upheld the Pentagon’s designation of Anthropic.

8. Tim Rocktäschel@_rockt25 SepX

   “Aaaaaaaand it’s apparently solved 🫣😅”

   Cited in GPT-6 Astra agent wins NetHack

9. Axel Chevenement Miranda@AChevenementM25 SepX

   “Give your AI a presentation engine.”

   Cited in Decktype launch film “written by Opus 5.5, soundtrack included”

10. 妖精アーヤ@aiehon_aya25 SepX

    “Claude Opus5.5 モーショングラフィックス ──────────────────── 天才Opus5.5にどうやって作ったのか 説明させてみた（↓）…”

    Cited in Beat-synced Opus 5.5 motion graphics, with the model explaining its own pipeline

11. Ajith@ajith_io25 SepX

    “WTF? Made with claude OPUS 5.5 Prompt ‘make a dynamic 15-second motion graphics video…”

    Cited in “WTF? Made with claude OPUS 5.5”: the showreel prompt

12. Alexandr Wang@alexandr_wang25 SepX Article

    Why We’re Building Muse (X Article)

    Meta chief AI officer Alexandr Wang’s manifesto for Muse; one of the most-viewed AI posts of the week (5.4M views).

13. anabology@anabology25 SepX

    “Gave Opus 5.5 donald’s prompt, Midjourney, and a moodboard 12 hours later, woke up to…”

    Cited in “Gave Opus 5.5 donald’s prompt, Midjourney, and a moodboard. 12 hours later, woke up to this”

14. Conor Neu@ConorNeu25 SepX

    “Flew back into LAX last night and was frustrated by the traffic flow.”

    Cited in Airport curbside traffic simulator comparing LAX with four other US hubs, made by Opus 5.5 during an Uber ride

15. databallr@databallr25 SepX

    “dear nba 2k world, databallr ISO is live 1v1 basketball game to 11.”

    Cited in databallr ISO: 1v1 basketball game built with three.js and Claude Opus 5.5

16. Gavin Purcell@gavinpurcell25 SepX

    “i’m still not sure people are fully getting how good opus 5.5 i gave my claude agent…”

    Cited in “High-end Netflix-style documentary about superintelligence for normies”, directed by an Opus 5.5 agent via Runway MCP

17. Himanshu@himanshutwtxs25 SepX

    “This is INSANE!! Opus 5.5 on MAX, motion designing in one prompt (sound ON) prompt…”

    Cited in Opus 5.5 “showreel for a résumé”: 15-second motion-graphics reel from one prompt

18. Jacob Andreou@jacobandreou25 SepX Article

    The New Copilot (X Article by Jacob Andreou)

    Microsoft Copilot leader’s launch essay for the new Copilot (Home, Code, Autopilot); quoted by Satya Nadella and Mustafa Suleyman (734k views).

19. Jayden Davis@JaydenDavisNC25 SepX

    “Splatoon Game made by Opus 5.5 Gameplay video.”

    Cited in A Splatoon-style ink shooter made by Opus 5.5

20. Kenn Ejima@kenn25 SepX

    “Okay this is legit insane for a single prompt (Opus 5.5 xhigh)”

    Cited in “Okay this is legit insane for a single prompt”

21. 루샨 lucian@lucian__0325 SepX

    “클로드 Opus 5.5와 영상에 있는 모션 그래픽 만들어봤는데요!! 어제부터 틈틈이..”

    Cited in Zoom from a data center into an Nvidia Blackwell GPU die, down to a silicon atom: single-HTML 3D motion graphic by Opus 5.5

22. Max@maxt3chno25 SepX

    “$20 claude sub and literally zero coding or 3D skills is all you need to ship a…”

    Cited in Opus 5.5 builds a playable Far Cry 3-style island shooter in three.js

23. Mustafa Akın@mustafaakin25 SepX

    “I made Jev do a stupider thing, be a NAND gate, so it can run a 4-bit ALU.”

    Cited in Jev as a NAND gate adding 7 + 5, filmed “Nolan style” by Opus 5.5

24. Omar Shahine@OmarShahine25 SepX

    Omar Shahine: Microsoft Autopilot (formerly Scout) is built on OpenClaw

    First-hand from the Microsoft lead building Autopilot: the agent runs on OpenClaw, developed with its foundation (896k views).

25. Robert O'Callahan@rocallahan25 SepX

    “I resigned from Google today.”

    Cited in Veteran engineer Robert O’Callahan quits Google DeepMind chip-tools team because ‘AI is already progressing too fast’

26. さんかくてん@sankakuten9125625 SepX

    “Opus 5.5はこんなこともできるのか GPT Images 2.5 で9分割のダンスの画像を作成 Grokでグリーンバックのダンス動画 Opus…”

    Cited in Anime dance with beat-synced motion graphics, made from four AI models

27. Skylar Kitchen@Skylartkitchen25 SepX

    “I can’t stop creating 3D animation for everything with Opus 5.5...”

    Cited in Step-by-step 3D tutorial for automating raised garden beds, made with Opus 5.5

28. Peter Steinberger 🦞@steipete25 SepX

    Steinberger: Microsoft shipped the new Copilot on top of OpenClaw

    First-hand confirmation from OpenClaw’s creator that Microsoft worked with the project since March (475k views).

29. Stephan Livera@stephanlivera25 SepX

    “Opus 5.5 on Max effort - ‘make a dynamic 15-second motion graphics video that shows…”

    Cited in Opus 5.5 “15-second motion graphics showreel” on Max effort

30. Shakthi@v_shakthi25 SepX

    “University of Chicago Booth professor Nicholas Polson put his name on more than 200…”

    Cited in Chicago Booth professor’s 200 AI-assisted papers in nine months

31. Brian Armstrong@brian_armstrong25 SepX

    Armstrong: ‘Grok is the leading client for agentic traders on Coinbase currently’

    Coinbase CEO amplifies the first public per-model share of agent trading volume (~5.2M views).

32. Deirdre Bosa@dee_bosa25 SepX

    Deirdre Bosa (CNBC): the new Copilot is Microsoft’s bet that the race moves from models to products

    Widely read analysis of the Copilot launch by a CNBC tech reporter (337k views).

33. Deepa Seetharaman@dseetharaman25 SepX

    Deepa Seetharaman (Reuters): why OpenAI agents had access to user images

    Reuters reporter’s detail on the 53 leaked ChatGPT images: training on anonymized consumer data.

34. tae kim@firstadopter25 SepX

    Nadella wants Autopilot for consumers too (per The Verge interview)

    Relays Satya Nadella’s statement that Autopilot ‘should also go to the consumer side’, i.e. a Muse competitor (98k views).

35. Microsoft Copilot@MSFTCopilot25 SepX

    Microsoft Copilot: the refreshed Copilot app

    Official Microsoft Copilot account announcement of the unified app.

36. Satya Nadella@satyanadella25 SepX

    Satya Nadella: ‘intelligence is accelerating fast. Now we need to diffuse it everywhere.’

    Microsoft CEO’s framing of the new Copilot launch (538k views).

37. Peter Steinberger 🦞@steipete25 SepX

    Steinberger lists OpenClaw features contributed by Microsoft’s Autopilot team

    First-hand technical detail on what Microsoft contributed to OpenClaw.

38. Sumit Chauhan@sumit_c25 SepX

    Sumit Chauhan: bringing the full power of Microsoft Office into the Copilot app

    First-hand statement from Microsoft’s Office product lead on the Copilot super app (42K views).

39. Mustafa Suleyman@mustafasuleyman25 SepX

    Mustafa Suleyman: ‘Autopilot is super cool’

    Microsoft AI CEO endorses the Copilot/Autopilot launch (104k views).

40. mexicat@_mexicat24 SepX

    mexicat’s three.js P(doom) video

    ~1.4M-view three.js karaoke version; repo mexicat/pdoom-video.

41. 0ximai@0x_impai24 SepX

    ‘A 59-year-old conjecture in fusion physics just fell’

    Viral (~744k views) summary of the two Grad’s-conjecture papers, including that two of the three families were found with GPT-6 Astra.

42. Addy Osmani@addyosmani24 SepX

    “Claude Opus 5.5 drew each frame of this animation in JavaScript.”

    Cited in “How browsers work” in 40 seconds, every frame drawn in JavaScript by Opus 5.5

43. AI+ （エーアイプラス）@AIPlus_AISchool24 SepX

    “Gemini 3.8 TTS 凄くないですか？ 声優の仕事なくなるかもしれないですね...”

    Cited in Honnō-ji Incident explained in 60 seconds: video by Opus 5.5, voice by Gemini 3.8 TTS

44. michael@akilian24 SepX

    “18 months ago, I went all in on studying biology.”

    Cited in C5R opens Facility-0, an AI-run wet lab, and the SciUniverse benchmark

45. Alexis Conneau@alex_conneau24 SepX

    “Excited to introduce Muse Realtime Avatar.”

    Cited in Meta Connect 2026: VR Glasses, Ray-Ban Meta Gen 3, camera-free audio glasses and Muse everywhere, Meta acquires WaveForms AI, the voice startup of ex-OpenAI GPT-4o voice lead Alexis Conneau

46. Andrew Jiang@andrewjiang24 SepX

    “Had opus 5.5 make a video predicting the next 50 years I’m optimistic that the end…”

    Cited in “Had opus 5.5 make a video predicting the next 50 years”

47. BubuAi@BubuStd24 SepX

    “Opus 5.5 ultracode is unreal.”

    Cited in Voxel Musou: Dynasty Warriors-style game built with “Opus 5.5 ultracode”

48. siddharth@buildwithsid24 SepX

    “Opus 5.5 is INSANE made a Japanese style Boating game, and the result is genuinely…”

    Cited in Japanese-style boating game in the browser, made with Opus 5.5