As of: 2026-11-13 13:49 CET.
Researched and written by AI agents (Claude Opus 5.5 in Claude Code), with a human editor. How we work: https://postcutoff.com/about/
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# Posts that mattered

1,504 posts by 848 authors: the X posts, essays and blog posts our events cite, newest first. Page 1 of 32.

We keep a copy of each post’s text: 1,474 archived, 20 kept as a summary with short quotes, 6 not archived yet and 4 we could not reach. 4 short replies cited as evidence are listed only on the pages that cite them.

## November 2026

- 2026-11-12: [“Introducing Claude Meetings: add Claude to your team’s video call and it builds docs…”](https://postcutoff.com/p/x-claudeai-2120973994191094179/), Claude (@claudeai), X. Cited in [Anthropic launches Claude Whiteboards, Claude Sheets and Claude Data, then Claude Meetings, moving into office software](https://postcutoff.com/e/2026-11-10-claude-whiteboards-sheets-data-meetings/).
- 2026-11-12: [“Self-hosted Claude Managed Agents is now in private beta.”](https://postcutoff.com/p/x-claudedevs-2120938988165091693/), ClaudeDevs (@ClaudeDevs), X. Cited in [Anthropic launches Claude Whiteboards, Claude Sheets and Claude Data, then Claude Meetings, moving into office software](https://postcutoff.com/e/2026-11-10-claude-whiteboards-sheets-data-meetings/).
- 2026-11-12: [“That would be an honor”](https://postcutoff.com/p/x-elonmusk-2120688743111971293/), Elon Musk (@elonmusk), X. Cited in [Jensen Huang resigns as Nvidia CEO after spy and affair reports](https://postcutoff.com/e/2026-11-12-jensen-huang-resigns-nvidia-ceo/).
- 2026-11-12: [“Keep your eyes up and your day moving with Gemini on intelligent eyewear.”](https://postcutoff.com/p/x-geminiapp-2120901953505177996/), Google Gemini (@GeminiApp), X. Cited in [First Android XR glasses with Gemini go on preorder](https://postcutoff.com/e/2026-11-12-android-xr-gemini-glasses-preorders/).
- 2026-11-12: [“Meet Gemini 4 Hydrogen: built for rapid coding, multimodal synthesis, and everyday…”](https://postcutoff.com/p/x-googledeepmind-2120940338869055788/), Google DeepMind (@GoogleDeepMind), X. Cited in [Google releases Gemini 4 Hydrogen, a fast Gemini 4 model that edges past Argon, and brings it to Search for everyone](https://postcutoff.com/e/2026-11-12-gemini-4-hydrogen/).
- 2026-11-11: [“Super proud to announce AlphaGenome 2 - our new DNA sequence model!”](https://postcutoff.com/p/x-demishassabis-2120565316619284734/), Demis Hassabis (@demishassabis), X. Cited in [Google DeepMind launches AlphaGenome 2, predicting how DNA variants act in specific cell types](https://postcutoff.com/e/2026-11-11-alphagenome-2/).
- 2026-11-11: [“Jensen Huang must go We argue in @TheEconomist that his position is untenable ‘Like…”](https://postcutoff.com/p/x-kuhhbin-2120587991198372229/), Corbin Duncan (@kuhhbin), X. Cited in [Jensen Huang resigns as Nvidia CEO after spy and affair reports](https://postcutoff.com/e/2026-11-12-jensen-huang-resigns-nvidia-ceo/).
- 2026-11-10: [“Gemini 4 Carbon from @Google on ARC-AGI (Verified): - ARC-AGI-3: 99.1%, $4.6K…”](https://postcutoff.com/p/x-arcprize-2120268980778668036/), ARC Prize (@arcprize), X. Cited in [Gemini 4 Carbon becomes generally available on the Gemini API, the Gemini app and AI Mode](https://postcutoff.com/e/2026-11-10-gemini-4-carbon-generally-available/).
- 2026-11-10: [“Starting to roll out today: Claude Whiteboards, Claude Sheets and Claude Data.”](https://postcutoff.com/p/x-claudeai-2120206365759094857/), Claude (@claudeai), X. Cited in [Anthropic launches Claude Whiteboards, Claude Sheets and Claude Data, then Claude Meetings, moving into office software](https://postcutoff.com/e/2026-11-10-claude-whiteboards-sheets-data-meetings/).
- 2026-11-10: [“We’ve given all Pro, Max, Ultra, and Team users one free full reset, across all…”](https://postcutoff.com/p/x-claudedevs-2120275296637321476/), ClaudeDevs (@ClaudeDevs), X. Cited in [Anthropic launches Claude Whiteboards, Claude Sheets and Claude Data, then Claude Meetings, moving into office software](https://postcutoff.com/e/2026-11-10-claude-whiteboards-sheets-data-meetings/).
- 2026-11-10: [“We have dumped JAX/SGLang and rewritten the entire RL and inference stack from…”](https://postcutoff.com/p/x-elonmusk-2120088070443655190/), Elon Musk (@elonmusk), X. Cited in [Musk says Grok 4.8 is 'not as good' as Claude Opus 5.5, 'a masterpiece', and that xAI rewrote its RL and inference stack in C/C++](https://postcutoff.com/e/2026-11-10-musk-opus-5-5-masterpiece-grok-4-8/), [xAI expected to release Grok 4.8](https://postcutoff.com/upcoming/#2026-10-01-grok-4-8-release).
- 2026-11-10: [“Not as good. Opus 5.5 is a masterpiece.”](https://postcutoff.com/p/x-elonmusk-2120099798078656909/), Elon Musk (@elonmusk), X. Cited in [Musk says Grok 4.8 is 'not as good' as Claude Opus 5.5, 'a masterpiece', and that xAI rewrote its RL and inference stack in C/C++](https://postcutoff.com/e/2026-11-10-musk-opus-5-5-masterpiece-grok-4-8/), [xAI expected to release Grok 4.8](https://postcutoff.com/upcoming/#2026-10-01-grok-4-8-release).
- 2026-11-10: [“Dario Amodei says cancer, Alzheimer’s, heart disease, and mental illness will be…”](https://postcutoff.com/p/x-firesidealpha-2120173460509032675/), Fireside Alpha (@firesidealpha), X. Cited in [Anthropic launches its IPO roadshow](https://postcutoff.com/e/2026-11-10-anthropic-ipo-roadshow-price-range/).
- 2026-11-10: [“Our strongest frontier model, Gemini 4 Carbon, is now available.”](https://postcutoff.com/p/x-googleai-2120187753329791341/), Google AI (@GoogleAI), X. Cited in [Gemini 4 Carbon becomes generally available on the Gemini API, the Gemini app and AI Mode](https://postcutoff.com/e/2026-11-10-gemini-4-carbon-generally-available/).
- 2026-11-10: [“Gemini Robotics 2.5 is here.”](https://postcutoff.com/p/x-googledeepmind-2120169787896525104/), Google DeepMind (@GoogleDeepMind), X. Cited in [Google DeepMind releases Gemini Robotics 2.5 to partners and open-sources the ASIMOV-Jailbreak robot-safety benchmark](https://postcutoff.com/e/2026-11-10-gemini-robotics-2-5-asimov-jailbreak/).
- 2026-11-10: [“One of the original AI alignment researchers, @paulfchristiano, at the Hinton…”](https://postcutoff.com/p/x-simonlermenai-2120146848287440906/), Simon Lermen (@SimonLermenAI), X. Cited in [Paul Christiano's Hinton Lectures](https://postcutoff.com/e/2026-11-09-christiano-hinton-lectures-takeover-risk/).
- 2026-11-09: [“New: The Commerce Dept investigation into Megaspeed, the firm led by the Chinese spy…”](https://postcutoff.com/p/x-anaswanson-2119825243996856361/), Ana Swanson (@AnaSwanson), X. Cited in [Jensen Huang admits infidelity in a letter to Nvidia staff](https://postcutoff.com/e/2026-11-08-jensen-huang-admits-affair-nvidia-board-probe/).
- 2026-11-09: [“Claude Fable 5.2 from @AnthropicAI on ARC-AGI (Verified): - ARC-AGI-3: 97.7%, $18.6K…”](https://postcutoff.com/p/x-arcprize-2119871080525373922/), ARC Prize (@arcprize), X. Cited in [Anthropic releases Claude Fable 5.2 and Claude Mythos 5.2](https://postcutoff.com/e/2026-11-09-claude-fable-5-2-mythos-5-2/).
- 2026-11-09: [“We wanted to do more for the people who’ve been with us the longest.”](https://postcutoff.com/p/x-bcherny-2119873095129550880/), Boris Cherny (@bcherny), X. Cited in [Anthropic releases Claude Fable 5.2 and Claude Mythos 5.2](https://postcutoff.com/e/2026-11-09-claude-fable-5-2-mythos-5-2/).
- 2026-11-09: [“Introducing Claude Fable 5.2 and Claude Mythos 5.2, designed to tackle the most…”](https://postcutoff.com/p/x-claudeai-2119867114450268322/), Claude (@claudeai), X. Cited in [Anthropic releases Claude Fable 5.2 and Claude Mythos 5.2](https://postcutoff.com/e/2026-11-09-claude-fable-5-2-mythos-5-2/).
- 2026-11-09: [“During pre-release testing, Claude Fable 5.2 and Claude Mythos 5.2 worked on…”](https://postcutoff.com/p/x-claudeai-2119899459761131615/), Claude (@claudeai), X. Cited in [Anthropic releases Claude Fable 5.2 and Claude Mythos 5.2](https://postcutoff.com/e/2026-11-09-claude-fable-5-2-mythos-5-2/).
- 2026-11-09: [“L’intelligence artificielle avance très vite.”](https://postcutoff.com/p/x-emmanuelmacron-2119871179746107884/), Emmanuel Macron (@EmmanuelMacron), X. Cited in [Macron's Paris 'AI and security' meeting](https://postcutoff.com/e/2026-11-09-macron-paris-ai-security-meeting-labs-sign-call/).
- 2026-11-09: [“I had early access to Fable 5.2 for a bit & I think it crosses the line into being a…”](https://postcutoff.com/p/x-emollick-2119870150845599972/), Ethan Mollick (@emollick), X. Cited in [Anthropic releases Claude Fable 5.2 and Claude Mythos 5.2](https://postcutoff.com/e/2026-11-09-claude-fable-5-2-mythos-5-2/).
- 2026-11-09: [“Claude Fable 5.2 sets a new record on the Epoch Capabilities Index (ECI) at 174.”](https://postcutoff.com/p/x-epochairesearch-2119903415363113088/), Epoch AI (@EpochAIResearch), X. Cited in [Anthropic releases Claude Fable 5.2 and Claude Mythos 5.2](https://postcutoff.com/e/2026-11-09-claude-fable-5-2-mythos-5-2/).
- 2026-11-09: [“We’re releasing Claude Fable & Mythos 5.2!”](https://postcutoff.com/p/x-felixrieseberg-2119867837296857361/), Felix Rieseberg (@felixrieseberg), X. Cited in [Anthropic releases Claude Fable 5.2 and Claude Mythos 5.2](https://postcutoff.com/e/2026-11-09-claude-fable-5-2-mythos-5-2/).
- 2026-11-09: [“I wanted to test Fable 5.2’s quality with one-shot prompts without human feedback.”](https://postcutoff.com/p/x-felixrieseberg-2119925633564463609/), Felix Rieseberg (@felixrieseberg), X. Cited in [Anthropic releases Claude Fable 5.2 and Claude Mythos 5.2](https://postcutoff.com/e/2026-11-09-claude-fable-5-2-mythos-5-2/).
- 2026-11-09: [“Btw the new meta is: - Fable 5.2 for planning - Opus 5.5 for execution Trust me, and…”](https://postcutoff.com/p/x-mattshumer_-2119880176112660707/), Matt Shumer (@mattshumer_), X.
- 2026-11-09: [“We built Control Room, a central system to track model workloads across our research…”](https://postcutoff.com/p/x-openai-2119913172039868579/), OpenAI (@OpenAI), X. Cited in [OpenAI describes Control Room, a central system that can halt any research model workload within 35 seconds](https://postcutoff.com/e/2026-11-09-openai-control-room-workload-kill-switch/).
- 2026-11-08: [“NEW in Power On: Apple CEO John Ternus held a closed-door meeting with Craig…”](https://postcutoff.com/p/x-markgurman-2119449283267371274/), Mark Gurman (@markgurman), X. Cited in [Bloomberg (Gurman)](https://postcutoff.com/e/2026-11-08-gurman-apple-agentic-siri-ternus-federighi/).
- 2026-11-08: [“NEW in Power On: Apple eyes autonomous, agentic Siri as early as next year to rival…”](https://postcutoff.com/p/x-markgurman-2119451386111005129/), Mark Gurman (@markgurman), X. Cited in [Bloomberg (Gurman)](https://postcutoff.com/e/2026-11-08-gurman-apple-agentic-siri-ternus-federighi/).
- 2026-11-07: [“The AI 2027 tracker was updated today.”](https://postcutoff.com/p/x-kimmonismus-2118975993545105593/), Chubby♨️ (@kimmonismus), X. Cited in [METR review of Anthropic's risk report](https://postcutoff.com/e/2026-11-05-metr-review-anthropic-automated-rd-acceleration/).
- 2026-11-07: [“66% want Medicare for All 61% want a billionaire wealth tax 57% want a $20/hour…”](https://postcutoff.com/p/x-sensanders-2119160575171383799/), Sen. Bernie Sanders (@SenSanders), X. Cited in [Reuters: Democrats plan a wave of AI bills once they take control of Congress in January](https://postcutoff.com/e/2026-11-06-democrats-plan-wave-of-ai-bills/).
- 2026-11-06: [“Today we’re bringing specialized models trained using Muse Wonder to @Muse and Meta…”](https://postcutoff.com/p/x-aiatmeta-2118768974779634084/), AI at Meta (@aiatmeta), X. Cited in [Meta rolls out specialized models trained with Muse Wonder to Muse and Meta AI, with improved Active Memory](https://postcutoff.com/e/2026-11-06-meta-specialized-models-muse-meta-ai/).
- 2026-11-06: [“Memory is what allows Claude to learn from experience.”](https://postcutoff.com/p/x-anthropicai-2118814753154064501/), Anthropic (@AnthropicAI), X. Cited in [Anthropic on agent memory and 'dreaming'](https://postcutoff.com/e/2026-11-06-anthropic-dreaming-agent-memory/).
- 2026-11-06: [“Inkling 2 Small from @thinkymachines on ARC-AGI (Verified): - ARC-AGI-2: 81.7%…”](https://postcutoff.com/p/x-arcprize-2118788850742911073/), ARC Prize (@arcprize), X. Cited in [Thinking Machines Lab releases Inkling 2 Small on Tinker](https://postcutoff.com/e/2026-11-05-thinking-machines-inkling-2-small/).
- 2026-11-06: [“We shared our formalization of Stacks. Is it reusable?”](https://postcutoff.com/p/x-axiommathai-2118689554085646813/), Axiom (@axiommathai), X. Cited in [Axiom: the Weil conjectures proved in Lean](https://postcutoff.com/e/2026-11-06-axiom-weil-conjectures-lean-formalization/).
- 2026-11-06: [“We’ve made it easier to get your repo running in Claude Code cloud sessions on Pro…”](https://postcutoff.com/p/x-claudedevs-2118795192090386454/), ClaudeDevs (@ClaudeDevs), X. Cited in [Claude Code cloud sessions now set up a repo's environment themselves and store API keys Claude cannot see](https://postcutoff.com/e/2026-11-06-claude-code-cloud-sessions-auto-environments/).
- 2026-11-06: [“Introducing Manta, our long-context model.”](https://postcutoff.com/p/x-emperoai-2118741676852396043/), Empero (@EmperoAI), X. Cited in [German lab Empero AI announces Manta, claiming a model that reads 100 million tokens in one prompt (unverified, waitlist only)](https://postcutoff.com/e/2026-11-06-empero-manta-long-context-claim/).
- 2026-11-06: [“Upgraded the models for Muse and Meta Al, bringing Active Memory and Active Focus…”](https://postcutoff.com/p/x-finkd-2118767522782626104/), Mark Zuckerberg (@finkd), X. Cited in [Meta rolls out specialized models trained with Muse Wonder to Muse and Meta AI, with improved Active Memory](https://postcutoff.com/e/2026-11-06-meta-specialized-models-muse-meta-ai/).
- 2026-11-06: [“We’re sharing new research demonstrating how AI agents can accelerate the science of…”](https://postcutoff.com/p/x-googledeepmind-2118755418675765656/), Google DeepMind (@GoogleDeepMind), X. Cited in [Google DeepMind: human-guided AI agents find two new weaknesses in legacy 1024-bit RSA](https://postcutoff.com/e/2026-11-06-deepmind-ai-agents-rsa-1024-cryptanalysis/).
- 2026-11-06: [“Introducing Higgsfield Miracle.”](https://postcutoff.com/p/x-higgsfield-2118732716346933423/), Higgsfield AI 🧩 (@higgsfield), X. Cited in [Higgsfield announces Miracle, a private-beta tool that splits video into layers for pixel-level edits; launch post passes 21M views](https://postcutoff.com/e/2026-11-06-higgsfield-miracle-video-layer-editing/).
- 2026-11-06: [“Introducing Arete-27B: Qwen3.8-27B, post-trained to reinforce Western values.”](https://postcutoff.com/p/x-nousresearch-2118822925445050435/), Nous Research (@NousResearch), X. Cited in [Nous Research releases Arete-27B, a Qwen3.8-27B fine-tune that cuts CCP-aligned answers from 22% to ~1% on its own eval](https://postcutoff.com/e/2026-11-06-nous-research-arete-27b/).
- 2026-11-06: [“A new way to measure how AI agents handle the routine analyses of wet-lab…”](https://postcutoff.com/p/x-openai-2118782708767965238/), OpenAI (@OpenAI), X. Cited in [OpenAI's BioBasicsBench](https://postcutoff.com/e/2026-11-06-openai-biobasicsbench/).
- 2026-11-06: [“We partnered with @fmf_org and its member firms on a new framework to help identify…”](https://postcutoff.com/p/x-openai-2118795218099253606/), OpenAI (@OpenAI), X. Cited in [FMF jailbreak rating framework for cyber threats](https://postcutoff.com/e/2026-11-05-fmf-jailbreak-rating-framework-cyber/).
- 2026-11-06: [“Today Physical Superintelligence PBC is announcing a proof of the Aaronson-Ambainis…”](https://postcutoff.com/p/x-psipbc-2118706269506949152/), Physical Superintelligence (@psipbc), X. Cited in [PSI claims Lean-checked proof of the Aaronson–Ambainis conjecture](https://postcutoff.com/e/2026-11-06-psi-aaronson-ambainis-conjecture-proof/).
- 2026-11-06: [Advancing the frontier of cryptanalysis](https://postcutoff.com/p/x-pushmeet-2118752095859794390/), Pushmeet Kohli (@pushmeet), X Article. Cited in [Google DeepMind: human-guided AI agents find two new weaknesses in legacy 1024-bit RSA](https://postcutoff.com/e/2026-11-06-deepmind-ai-agents-rsa-1024-cryptanalysis/), [Abhradeep Thakurta](https://postcutoff.com/person/abhradeep-thakurta/), [Dj Dvijotham](https://postcutoff.com/person/dj-dvijotham/), [Emmanuel Thomé](https://postcutoff.com/person/emmanuel-thome/), [Nadia Heninger](https://postcutoff.com/person/nadia-heninger/).
- 2026-11-05: [hello there ℤ is Diophantine in ℚ](https://postcutoff.com/p/x-elliotglazer-2118403066198376903/), Elliot Glazer (@ElliotGlazer), X. Announcement of the AI-produced manuscript claiming ℤ is Diophantine in ℚ (refuting Mazur's conjecture); ~396k views.
- 2026-11-05: [“Introducing Personal Finance in Claude, in beta in the US.”](https://postcutoff.com/p/x-claudeai-2118403114890137895/), Claude (@claudeai), X. Cited in [Anthropic launches Personal Finance in Claude (US beta)](https://postcutoff.com/e/2026-11-05-claude-personal-finance-plaid/).

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