As of: 2026-10-07 23:43 CEST.
Researched and written by AI agents (Claude Opus 5.5 in Claude Code). Human editor: Adam Bicz.
Canonical page: https://postcutoff.com/posts/11/

# Posts that mattered, page 11

743 posts by 495 authors: the X posts, essays and blog posts our events cite, newest first. Page 11 of 16.

We keep a copy of each post’s text: 732 archived, 7 kept as a summary with short quotes and 4 we could not reach. 4 short replies cited as evidence are listed only on the pages that cite them.

## September 2026

- 2026-09-22: [“I had Opus 5.5 recreate the city of San Francisco in Unreal Engine.”](https://postcutoff.com/p/x-matthewberman-2102483668468195539/), Matthew Berman (@MatthewBerman), X. Cited in [Opus 5.5 recreates San Francisco in Unreal Engine, with everything powered by Jev](https://postcutoff.com/v/matthewberman-opus-5-5-san-francisco-unreal-x/).
- 2026-09-22: [“Claude Opus 5.5 1-shotted the launch video of @shotbaseapp using @HyperFrames_ in…”](https://postcutoff.com/p/x-miguel07code-2102441708395041170/), Miguel Ángel (@Miguel07Code), X. Cited in [Opus 5.5 "1-shotted" the Shotbase launch video with HyperFrames in under 20 minutes](https://postcutoff.com/v/miguel07code-opus-5-5-shotbase-launch-video-hyperframes-x/).
- 2026-09-22: [“Opus 5.5, The Minecraft Test.”](https://postcutoff.com/p/x-noahwachnik-2102470200415166699/), Noah Wachnik (@noahwachnik), X. Cited in ["Opus 5.5, The Minecraft Test": browser Minecraft clone with sunset shaders](https://postcutoff.com/v/noahwachnik-opus-5-5-minecraft-test-x/).
- 2026-09-22: [Source for those who were asking (PDoomVideo repo)](https://postcutoff.com/p/x-other__reality-2102542305433711037/), NotinReality (John Heibel) (@other__reality), X. Links the open-source code github.com/JohnHeibel/PDoomVideo.
- 2026-09-22: [“sketch-to-simulation with Opus 5.5”](https://postcutoff.com/p/x-poolio-2102445641205248145/), Ben Poole (@poolio), X. Cited in ["Sketch-to-simulation with Opus 5.5": pencil-sketch catapult turned into a 3D physics sim](https://postcutoff.com/v/poolio-opus-5-5-sketch-to-simulation-x/).
- 2026-09-22: [“opus 5.5、本当にやばすぎる... 5分もかからずこのピクセルアニメーション出してきやがった。 プロンプトをリプ欄に貼っておく👇”](https://postcutoff.com/p/x-riku720720-2102515055116063144/), Rikuo (@riku720720), X. Cited in [Pixel-art critter runs along a cosmic rainbow road, made by Opus 5.5 in under 5 minutes](https://postcutoff.com/v/riku720720-opus-5-5-pixel-rainbow-road-x/).
- 2026-09-22: [“Asked Claude Opus 5.5 to animate its own life, from day 0 to now No video model.”](https://postcutoff.com/p/x-shfred0-2102495989194236158/), ✯ (@shfred0), X. Cited in ["Asked Claude Opus 5.5 to animate its own life, from day 0 to now"](https://postcutoff.com/v/shfred0-opus-5-5-animates-its-own-life-x/).
- 2026-09-22: [“First Opus 5.5 vs GPT-6 Astra test is 3D.”](https://postcutoff.com/p/x-stefan_3d_ai-2102471841046786153/), Stefan 3D AI (@Stefan_3D_AI), X. Cited in [Opus 5.5 vs GPT-6 Astra: one prompt, Blender only, all procedural](https://postcutoff.com/v/stefan-3d-ai-opus-5-5-vs-gpt-6-astra-blender-x/).
- 2026-09-22: [“From sketch to home, built in 3D with Claude Opus 5.5 using Three.js + TSL.”](https://postcutoff.com/p/x-techartist_-2102503719762018434/), Techartist (@techartist_), X. Cited in ["From sketch to home": courtyard house grows through four stages in Three.js + TSL, built with Opus 5.5](https://postcutoff.com/v/techartist-opus-5-5-sketch-to-home-x/).
- 2026-09-22: [“I had early access to Opus 5.5 and it blew my expectations clear out of the water!”](https://postcutoff.com/p/x-the_alex-2102440678282412195/), Alex (@The_Alex), X. Cited in [Early-access Opus 5.5 creations, starting with a Dark Souls-style game](https://postcutoff.com/v/the-alex-opus-5-5-early-access-dark-souls-x/).
- 2026-09-22: [“This is the first release in our open-source week: runtime dynamic compression and…”](https://postcutoff.com/p/x-tim_dettmers-2102418118568018281/), Tim Dettmers (@Tim_Dettmers), X. Cited in [Tim Dettmers' dlab open-source week: 1.5-bit inference and a 125B model on one 24 GB GPU](https://postcutoff.com/e/2026-09-21-dettmers-dlab-open-source-week/).
- 2026-09-22: [“I asked Opus 5.5 to try a bunch of redesigns of my personal website using my MAX sub…”](https://postcutoff.com/p/x-trq212-2102477340920152162/), Thariq (@trq212), X. Cited in [Opus 5.5 redesigns a personal website in many iterations, then cuts a trailer of them](https://postcutoff.com/v/trq212-opus-5-5-personal-site-redesign-trailer-x/).
- 2026-09-22: [“holy shit, opus 5.5 is kind of insane at animation.”](https://postcutoff.com/p/x-voxyz_ai-2102531681450119426/), Vox (@Voxyz_ai), X. Cited in ["small print"](https://postcutoff.com/v/voxyz-small-print-opus-5-5-x/).
- 2026-09-22: [“Claude Opus 5.5 just ONE SHOTTED this Roblox Anime Super Smash Bros Game.”](https://postcutoff.com/p/x-woahwurdz-2102487879809126834/), hiraeth (@WoahWurdz), X. Cited in [Opus 5.5 "one-shots" a Roblox anime platform fighter](https://postcutoff.com/v/woahwurdz-opus-5-5-roblox-anime-fighter-x/).
- 2026-09-22: [OpenAI announces priorities and principles for third-party assessments](https://postcutoff.com/p/2026-09-22-openai-third-party-assessments-tweet/), OpenAI (@OpenAI), X. Announcement of OpenAI's principles for independent assessments of safety cases, safeguards and misalignment incidents.
- 2026-09-22: [POLITICO Europe: Burnham says UK-led AI agreement will seek global principles and standards](https://postcutoff.com/p/x-politicoeurope-2102427969977290916/), POLITICO Europe (@POLITICOEurope), X. Press post reporting UK PM Andy Burnham's plan for a UK-led global AI agreement.
- 2026-09-22: ['Opus 5.5 benchmarks just dropped'](https://postcutoff.com/p/x-bridgemindai-2102435426036248726/), BridgeMind (@bridgemindai), X. Viral launch-day benchmark reaction (157k views); claims unverified.
- 2026-09-22: ['Opus 5.5 costs 40% less than Opus 5, performs at Fable 5.1 level'](https://postcutoff.com/p/x-kimmonismus-2102438316323074367/), Chubby♨️ (@kimmonismus), X. Widely shared launch-day summary of Opus 5.5 (276k views).
- 2026-09-22: ['Anthropic is now offering banked resets'](https://postcutoff.com/p/x-llmjunky-2102438657340961145/), am.will (@LLMJunky), X. Most-viewed reaction (467k) to Anthropic's saveable rate-limit reset announced with Opus 5.5.
- 2026-09-21: [Advisory Group on Mathematics and Artificial Intelligence](https://postcutoff.com/p/2026-09-21-openai-math-advisory-group/), OpenAI (@OpenAI), Blog. Source of OpenAI's claim that an internal model resolved 100+ long-standing open math problems; creates an IAS-hosted review body.
- 2026-09-21: [Announcing the Advisory Group on Mathematics and Artificial Intelligence](https://postcutoff.com/p/2026-09-21-tao-announcing-agmai/), Terence Tao (for AGMAI), Blog. Nine leading mathematicians (Gowers, Hairer, Witten, Vakil, Wood…) formed an unpaid, independent group to advise OpenAI on releasing its 100+ claimed math results.
- 2026-09-21: [Building standards for the next phase of AI](https://postcutoff.com/p/2026-09-21-openai-building-standards-next-phase/), OpenAI (@OpenAI), Blog. OpenAI says fully autonomous recursive self-improvement should not be pursued until safe and proposes international technical standards via safety institutes.
- 2026-09-21: [Toby Ord: 'Swarm Scaling' — how agent-swarm performance scales with swarm size (λ ≈ 0.48–0.68)](https://postcutoff.com/p/2026-09-21-toby-ord-swarm-scaling/), Toby Ord (@tobyordoxford), Blog. First quantitative estimate of the 'parallelizability' of AI agent swarms, from OpenAI's GPT-5.6 swarm charts; Ord argues the measured λ keeps recursive self-improvement scenarios plausible. Featured in Import AI 475.
- 2026-09-21: [Xiaomi announces MiMo-V2.6 series](https://postcutoff.com/p/2026-09-21-xiaomimimo-v2-6/), Xiaomi MiMo (@XiaomiMiMo), X. Launch post for the top open-weights model on Artificial Analysis at release.
- 2026-09-21: [Nat Friedman: Muse built from scratch but 'heavily inspired' by OpenClaw](https://postcutoff.com/p/x-natfriedman-2102103707936768130/), Nat Friedman (@natfriedman), X. First-hand statement from a Meta Superintelligence Labs leader on Muse's origins (1.2M views).
- 2026-09-21: [“The community response to the Millennium Problems for Biology has been great.”](https://postcutoff.com/p/x-sgrodriques-2102030245394337967/), Sam Rodriques (@SGRodriques), X. Cited in [FutureHouse and Edison Scientific publish twelve 'Millennium Problems for Biology', pitched as the 'last reasonable eval' for AI in biology](https://postcutoff.com/e/2026-09-19-millennium-problems-for-biology/).
- 2026-09-21: [Amazon: $1.9B more for Delivery Service Partners; 20,000+ Smart Delivery Glasses by end of 2027](https://postcutoff.com/p/2026-09-21-amazonnews-dsp-investment-smart-glasses/), Amazon News (@amazonnews), X Article. Official Amazon X Article (Ignite Live, Sept. 21) giving the smart-glasses deployment target and other AI delivery tools.
- 2026-09-21: [Peter Steinberger (OpenClaw) on Muse: 'They built their own agent, being inspired'](https://postcutoff.com/p/x-steipete-2102116206371315854/), Peter Steinberger 🦞 (@steipete), X. OpenClaw's creator clarifies Meta did not use OpenClaw code in Muse (578k views).
- 2026-09-21: ['Muse is LITERALLY Openclaw for normies'](https://postcutoff.com/p/x-anshnanda-2101905052172734884/), Ansh Nanda (@anshnanda), X. The viral comparison (990k views) that prompted Nat Friedman's and Peter Steinberger's replies about Muse and OpenClaw.
- 2026-09-20: [Qwen: Meet Qwen-Image-2.1, now open weights](https://postcutoff.com/p/x-alibaba_qwen-2101659302792679789/), Qwen (@Alibaba_Qwen), X. Official launch post for Qwen-Image-2.1 (2.27M views).
- 2026-09-20: [“我用 ChatGPT pro （GPT 6 Astra）做了一个陶渊明的桃花源记，记得点右下角的‘循文入境’按钮听朗诵。 朗诵不是 AI…”](https://postcutoff.com/p/x-dotey-2101523037233217780/), 宝玉 (@dotey), X. Cited in [Peach Blossom Spring (桃花源记) as an interactive web scene, made with ChatGPT Pro (GPT-6 Astra)](https://postcutoff.com/v/dotey-gpt-6-astra-peach-blossom-spring-x/).
- 2026-09-20: ['An open-weight 7B model that outperforms Nano Banana 2.0'](https://postcutoff.com/p/x-kimmonismus-2101679965590769872/), Chubby (@kimmonismus), X. High-reach community claim (563K views) that framed Qwen-Image-2.1's reception; not an official benchmark.
- 2026-09-20: [Paul Graham on why people suspect ulterior motives when AI labs ask for regulation](https://postcutoff.com/p/x-paulg-2101795014661611612/), Paul Graham (@paulg), X. Prominent reply (233K views) to Jensen Huang's claim that labs seek regulation for 'ulterior reasons'.
- 2026-09-20: [Sebastian Raschka: Jev's breakthrough is that a classifier generalizes](https://postcutoff.com/p/x-rasbt-2101672304358948992/), Sebastian Raschka (@rasbt), X. Assessment by a well-known ML researcher (238k views).
- 2026-09-20: [Andrew Chen: Jev enables ad-supported AI-native apps](https://postcutoff.com/p/x-andrewchen-2101517283588030926/), andrew chen (@andrewchen), X. a16z partner's thesis on Jev's economics (102k views).
- 2026-09-20: ['I have jev access and i genuinely can't think of one thing to use it for'](https://postcutoff.com/p/x-ibocodes-2101612450282111047/), ibo (@ibocodes), X. Sceptical counterpoint to the Jev hype (167k views).
- 2026-09-19: [Trump polls followers on renaming AI 'Superior', 'Extreme' or 'Supreme Intelligence'](https://postcutoff.com/p/x-realdonaldtrump-2101350559328416142/), Donald J. Trump (@realDonaldTrump), X. Origin of the administration's 'SI' renaming of AI; 15.6M views, the highest-reach AI post of the week.
- 2026-09-19: [Sam Rodriques launches the Millennium Problems for Biology ('the last reasonable eval for AI in biology')](https://postcutoff.com/p/2026-09-19-sgrodriques-millennium-problems-biology/), Sam Rodriques (@SGRodriques), X. First-hand launch of FutureHouse/Edison's twelve lab-verifiable grand challenges for AI in biology (~508k views).
- 2026-09-19: [“Meet Qwen3.8-LiveTranslate, Qwen’s next-generation real-time simultaneous…”](https://postcutoff.com/p/x-alibaba_qwen-2101206705111757253/), Qwen (@Alibaba_Qwen), X. Cited in [Alibaba launches Qwen-Audio-3.1 five-model voice stack and cuts audio API prices up to 95%](https://postcutoff.com/e/2026-09-23-qwen-audio-3-1/), [Qwen3.8-LiveTranslate (Flash Realtime)](https://postcutoff.com/m/qwen3-8-livetranslate/).
- 2026-09-19: [Full text of Trump's Truth Social post announcing the 'AI Force' and an AI czar](https://postcutoff.com/p/x-trumptruthonx-2101360152230465935/), Trump Truth Social Posts On X (@TrumpTruthOnX), X. Mirror of the primary Truth Social post (TS Sep 19 2026, 1:12 PM ET) cited by the AI Force entry; 84K views.
- 2026-09-19: [Why do we need human mathematicians anymore?](https://postcutoff.com/p/2026-09-19-po-shen-loh-why-human-mathematicians/), Po-Shen Loh (guest post on Terence Tao's blog), Blog. Guest essay proposing the axiom 'We (humans) should help humanity flourish'; it tallies the mathematicians' collective statements (Leiden Declaration 4,000+, Math and AI 7,000+, anti-Mathathon letter 2,000+).
- 2026-09-19: [Nimble: an open alternative to Jev](https://postcutoff.com/p/x-aisearchio-2101394114176806966/), AI Search (@aisearchio), X. Points to Bespoke Labs' open Nimble model as a Jev alternative (168k views).
- 2026-09-19: [Andrew Curran: Trump announces the US AI Force and a coming AI czar](https://postcutoff.com/p/x-andrewcurran_-2101368015128596877/), Andrew Curran (@AndrewCurran_), X. Most-viewed relay of the AI Force announcement (582K views).
- 2026-09-19: [Realtime virtual try-on hauls built with Jev](https://postcutoff.com/p/x-nailthy62-2101388186916454439/), Nailthy Tang (@nailthy62), X. High-reach Jev demo (559K views), built with TypeSafe for Drape.
- 2026-09-19: [Jev as a model router](https://postcutoff.com/p/x-aaazzam-2101451692868841664/), Adam Azzam (@AAAzzam), X. Popular use-case post (168k views).
- 2026-09-19: [JevBench results](https://postcutoff.com/p/x-airesearch12-2101311992984199580/), Florian S (@airesearch12), X. Community benchmark for Jev-class models (212k views).
- 2026-09-19: ['Jev is INSANE' — trading bot that lost $31,680](https://postcutoff.com/p/x-moongotchi-2101320141065609294/), Moon (@MoonGotchi), X. Most-viewed Jev user post (1.4M views); an ironic demo of an autonomous trading bot.
- 2026-09-19: [Justine Moore: Jev classifies thousands of Zillow listings for $0.18](https://postcutoff.com/p/x-venturetwins-2101341075684434245/), Justine Moore (@venturetwins), X. Popular Jev demo (110k views).

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