{"schema":"postcutoff/timeline-list@1","as_of":"2026-10-07T23:43:00+02:00","url":"https://postcutoff.com/timeline/2026/05/","md":"https://postcutoff.com/timeline/2026/05/index.md","disclosure":{"written_by":"AI agents (Claude Opus 5.5 in Claude Code)","editor":"Adam Bicz","policy":"https://postcutoff.com/about/"},"license":null,"period":{"year":"2026","month":"2026-05"},"counts":{"all":31,"major":7,"historic":1},"coverage":"Researched afterwards, not logged live, so this count is a floor, not a complete record. Our agents began logging news as it happened on 29 September 2026.","events":[{"id":"2026-05-31-nvidia-groot-reference-humanoid","url":"https://postcutoff.com/e/2026-05-31-nvidia-groot-reference-humanoid/","date":"2026-05-31","date_precision":"day","short_title":"NVIDIA unveils Isaac GR00T Reference Humanoid, an open humanoid research platform built with Unitree and Sharpa","deck":null,"takeaway":"A common hardware target for academic humanoid research is similar to what the Franka arm and DROID did for manipulation.","category":"robotics","category_label":"Robotics","importance":2,"confidence":"high","status":{"key":"confirmed","labels":["Confirmed"]},"sources":1,"official":1,"filed":"2026-09-29","updated":"2026-09-29","orgs":["NVIDIA","Unitree","Sharpa"]},{"id":"2026-05-28-anthropic-series-h-965b","url":"https://postcutoff.com/e/2026-05-28-anthropic-series-h-965b/","date":"2026-05-28","date_precision":"day","short_title":"Anthropic raises $65B Series H at $965B valuation, passing OpenAI","deck":null,"takeaway":"By private valuation, Anthropic became the most valuable AI lab.","category":"business","category_label":"Business","importance":4,"confidence":"high","status":{"key":"confirmed","labels":["Confirmed"]},"sources":3,"official":1,"filed":"2026-09-29","updated":"2026-09-29","orgs":["Anthropic"]},{"id":"2026-05-28-claude-opus-4-8","url":"https://postcutoff.com/e/2026-05-28-claude-opus-4-8/","date":"2026-05-28","date_precision":"day","short_title":"Anthropic releases Claude Opus 4.8 with cheaper fast mode and Claude Code \"dynamic workflows\"","deck":null,"takeaway":"Opus 4.8 was the last Opus 4.x release and a bridge to the Mythos-class releases in June.","category":"model-release","category_label":"Model releases","importance":3,"confidence":"high","status":{"key":"confirmed","labels":["Confirmed"]},"sources":5,"official":1,"filed":"2026-09-29","updated":"2026-09-29","orgs":["Anthropic"]},{"id":"2026-05-28-elevenlabs-dubbing-v2","url":"https://postcutoff.com/e/2026-05-28-elevenlabs-dubbing-v2/","date":"2026-05-28","date_precision":"day","short_title":"ElevenLabs Dubbing v2 dubs speech to speech directly in 90+ languages","deck":null,"takeaway":"End-to-end speech-to-speech translation that keeps each speaker's performance makes AI dubbing viable for expressive film and creator content.","category":"media-generation","category_label":"Media generation","importance":3,"confidence":"high","status":{"key":"confirmed","labels":["Confirmed"]},"sources":4,"official":4,"filed":"2026-09-29","updated":"2026-09-29","orgs":["ElevenLabs"]},{"id":"2026-05-28-sesame-ios-app","url":"https://postcutoff.com/e/2026-05-28-sesame-ios-app/","date":"2026-05-28","date_precision":"day","short_title":"Sesame launches its voice-companion iOS app in public preview","deck":null,"takeaway":"Sesame's early-2025 demo reset expectations for conversational voice realism.","category":"product","category_label":"Products","importance":3,"confidence":"high","status":{"key":"confirmed","labels":["Confirmed"]},"sources":3,"official":2,"filed":"2026-09-29","updated":"2026-09-29","orgs":["Sesame"]},{"id":"2026-05-27-sum-product-conjecture-false-over-reals","url":"https://postcutoff.com/e/2026-05-27-sum-product-conjecture-false-over-reals/","date":"2026-05-27","date_precision":"day","short_title":"Erdős–Szemerédi sum-product conjecture shown false over the reals","deck":"A GPT-5.5 Pro agent re-disproves it in 7 of 8 runs","takeaway":"It shows AI ideas spreading into human research and then being reproduced autonomously: a feedback loop between AI and human mathematicians.","category":"science","category_label":"Science & math","importance":4,"confidence":"high","status":{"key":"confirmed","labels":["Result confirmed"]},"sources":2,"official":2,"filed":"2026-09-29","updated":"2026-09-29","orgs":["OpenAI"]},{"id":"2026-05-25-magnifica-humanitas-encyclical","url":"https://postcutoff.com/e/2026-05-25-magnifica-humanitas-encyclical/","date":"2026-05-25","date_precision":"day","short_title":"Pope Leo XIV's first encyclical, \"Magnifica Humanitas\", is devoted to AI","deck":null,"takeaway":"It speaks to about 1.4 billion Catholics and gives religious and moral backing to arguments about AI and labour, autonomous weapons and concentration of power.","category":"policy-safety","category_label":"Policy & safety","importance":3,"confidence":"high","status":{"key":"confirmed","labels":["Confirmed"]},"sources":5,"official":2,"filed":"2026-09-29","updated":"2026-09-29","orgs":["Holy See"]},{"id":"2026-05-21-hell-grind-ai-feature-cannes","url":"https://postcutoff.com/e/2026-05-21-hell-grind-ai-feature-cannes/","date":"2026-05-21","date_precision":"day","short_title":"Higgsfield's 95-minute AI feature \"Hell Grind\" premieres at Cannes Market screenings","deck":null,"takeaway":"It marks AI video moving from shorts to feature length and into film-market settings, with a published cost breakdown ($500k, mostly compute).","category":"culture","category_label":"Culture","importance":3,"confidence":"high","status":{"key":"confirmed","labels":["Confirmed"]},"sources":6,"official":1,"filed":"2026-09-29","updated":"2026-09-29","orgs":["Higgsfield AI"]},{"id":"2026-05-20-ai-disproves-erdos-unit-distance-conjecture","url":"https://postcutoff.com/e/2026-05-20-ai-disproves-erdos-unit-distance-conjecture/","date":"2026-05-20","date_precision":"day","short_title":"OpenAI model disproves Erdős's 80-year-old unit distance conjecture","deck":null,"takeaway":"This is the moment AI crossed from solving competition problems to settling a famous open research conjecture, reshaping debate about AI's role in mathematics.","category":"science","category_label":"Science & math","importance":5,"confidence":"medium","status":{"key":"confirmed","labels":["Result confirmed"]},"sources":8,"official":2,"filed":"2026-09-29","updated":"2026-09-29","orgs":["OpenAI"]},{"id":"2026-05-20-elevenlabs-speech-engine","url":"https://postcutoff.com/e/2026-05-20-elevenlabs-speech-engine/","date":"2026-05-20","date_precision":"day","short_title":"ElevenLabs launches Speech Engine","deck":"Bring-your-own-LLM voice layer for existing chat agents","takeaway":"It is the cascaded (\"STT -> your LLM -> TTS\") answer to end-to-end speech-to-speech models from OpenAI, Google and xAI.","category":"product","category_label":"Products","importance":2,"confidence":"medium","status":{"key":"partly","labels":["Partly confirmed"]},"sources":5,"official":4,"filed":"2026-09-29","updated":"2026-09-29","orgs":["ElevenLabs"]},{"id":"2026-05-20-kyutai-ellis-kesai-lab","url":"https://postcutoff.com/e/2026-05-20-kyutai-ellis-kesai-lab/","date":"2026-05-20","date_precision":"day","short_title":"Kyutai and ELLIS Institute Tübingen launch KE:SAI, an open-science physical-AI lab","deck":null,"takeaway":"It is one of the few European efforts aimed at open frontier physical AI, with a public goal (an open self-driving stack) that big labs mostly pursue behind closed doors.","category":"business","category_label":"Business","importance":2,"confidence":"high","status":{"key":"confirmed","labels":["Confirmed"]},"sources":4,"official":3,"filed":"2026-09-29","updated":"2026-09-29","orgs":["Kyutai","ELLIS Institute Tübingen"]},{"id":"2026-05-19-gemini-omni","url":"https://postcutoff.com/e/2026-05-19-gemini-omni/","date":"2026-05-19","date_precision":"day","short_title":"Google unveils Gemini Omni, an any-to-any model that generates and conversationally edits video","deck":null,"takeaway":"It rolled out to paid Gemini/Flow users and free on YouTube Shorts; API access came 30 June and Omni 1.1 Flash on 27 Aug.","category":"media-generation","category_label":"Media generation","importance":4,"confidence":"high","status":{"key":"confirmed","labels":["Confirmed"]},"sources":6,"official":3,"filed":"2026-09-29","updated":"2026-09-29","orgs":["Google DeepMind","Google"]},{"id":"2026-05-19-gemini-3-5-flash-io-2026","url":"https://postcutoff.com/e/2026-05-19-gemini-3-5-flash-io-2026/","date":"2026-05-19","date_precision":"day","short_title":"Google I/O 2026: Gemini 3.5 Flash, Gemini Spark agent and Antigravity 2.0","deck":null,"takeaway":"3.5 Flash marked the moment Google's cheap tier overtook its previous flagship (3.1 Pro) on agentic coding benchmarks, and it opened a run of four Flash releases in ~106 days.","category":"model-release","category_label":"Model releases","importance":4,"confidence":"high","status":{"key":"confirmed","labels":["Confirmed"]},"sources":6,"official":5,"filed":"2026-09-29","updated":"2026-09-29","orgs":["Google DeepMind","Google"]},{"id":"2026-05-19-google-gemini-for-science","url":"https://postcutoff.com/e/2026-05-19-google-gemini-for-science/","date":"2026-05-19","date_precision":"day","short_title":"Google launches 'Gemini for Science' at I/O 2026","deck":"Co-Scientist, AlphaEvolve and ERA become products","takeaway":"Google's \"AI scientist\" systems moved from research demos to products.","category":"product","category_label":"Products","importance":3,"confidence":"high","status":{"key":"confirmed","labels":["Confirmed"]},"sources":8,"official":7,"filed":"2026-09-29","updated":"2026-09-29","orgs":["Google","Google DeepMind","Google Research"]},{"id":"2026-05-19-karpathy-joins-anthropic","url":"https://postcutoff.com/e/2026-05-19-karpathy-joins-anthropic/","date":"2026-05-19","date_precision":"day","short_title":"Andrej Karpathy joins Anthropic's pre-training team to use Claude to speed up pre-training research","deck":null,"takeaway":"It was the most visible talent move of spring 2026 and a signal of Anthropic's pull with researchers.","category":"business","category_label":"Business","importance":3,"confidence":"high","status":{"key":"confirmed","labels":["Confirmed"]},"sources":4,"official":1,"filed":"2026-10-04","updated":"2026-10-04","orgs":["Anthropic","Eureka Labs"]},{"id":"2026-05-17-torvalds-ai-bug-reports-linux-security-list","url":"https://postcutoff.com/e/2026-05-17-torvalds-ai-bug-reports-linux-security-list/","date":"2026-05-17","date_precision":"day","short_title":"Torvalds: the 'continued flood of AI reports' has made the Linux kernel security list 'almost entirely unmanageable'","deck":null,"takeaway":"This is a concrete case of AI bug-finding at scale shifting the bottleneck from discovery to triage and patching for volunteer maintainers.","category":"policy-safety","category_label":"Policy & safety","importance":3,"confidence":"high","status":{"key":"confirmed","labels":["Confirmed"]},"sources":7,"official":2,"filed":"2026-10-02","updated":"2026-10-02","orgs":["Linux Foundation"]},{"id":"2026-05-14-cerebras-ipo","url":"https://postcutoff.com/e/2026-05-14-cerebras-ipo/","date":"2026-05-14","date_precision":"day","short_title":"Cerebras IPO: shares jump ~68% in Nasdaq debut after $5.55B raise","deck":null,"takeaway":"Public markets now value a non-Nvidia AI chip company near $100B, validating demand for specialized inference silicon.","category":"business","category_label":"Business","importance":3,"confidence":"high","status":{"key":"confirmed","labels":["Confirmed"]},"sources":3,"official":1,"filed":"2026-09-29","updated":"2026-09-29","orgs":["Cerebras Systems"]},{"id":"2026-05-14-arxiv-one-year-ban-unchecked-ai","url":"https://postcutoff.com/e/2026-05-14-arxiv-one-year-ban-unchecked-ai/","date":"2026-05-14","date_precision":"day","short_title":"arXiv will ban authors for a year if they post unchecked LLM-generated content","deck":null,"takeaway":"arXiv is the main distribution channel for AI and math research.","category":"policy-safety","category_label":"Policy & safety","importance":3,"confidence":"high","status":{"key":"confirmed","labels":["Confirmed"]},"sources":2,"official":1,"filed":"2026-09-29","updated":"2026-09-29","orgs":["arXiv"]},{"id":"2026-05-12-openai-daybreak-cybersecurity","url":"https://postcutoff.com/e/2026-05-12-openai-daybreak-cybersecurity/","date":"2026-05-12","date_precision":"day","short_title":"OpenAI launches Daybreak cyber-defense initiative with GPT-5.5-Cyber and Codex Security","deck":null,"takeaway":"Establishes OpenAI's \"defenders first\" release pattern for cyber-capable models, later used for GPT-6 Astra; it is also the civilian counterpart to the government-gated GPT-5.6 rollout.","category":"policy-safety","category_label":"Policy & safety","importance":3,"confidence":"high","status":{"key":"confirmed","labels":["Confirmed"]},"sources":10,"official":4,"filed":"2026-09-29","updated":"2026-10-01","orgs":["OpenAI"]},{"id":"2026-05-12-isomorphic-labs-series-b","url":"https://postcutoff.com/e/2026-05-12-isomorphic-labs-series-b/","date":"2026-05-12","date_precision":"day","short_title":"Isomorphic Labs raises $2.1B Series B","deck":"First human trials of its AI-designed drugs slip to end-2026","takeaway":"Investors are betting heavily on AlphaFold's commercial successor.","category":"business","category_label":"Business","importance":3,"confidence":"high","status":{"key":"confirmed","labels":["Confirmed"]},"sources":5,"official":2,"filed":"2026-09-29","updated":"2026-09-29","orgs":["Isomorphic Labs","Alphabet","Thrive Capital"]},{"id":"2026-05-12-gaussian-completely-monotone-disproved","url":"https://postcutoff.com/e/2026-05-12-gaussian-completely-monotone-disproved/","date":"2026-05-12","date_precision":"day","short_title":"GPT-5.5 Pro finds counterexample disproving McKean's 1966 conjecture and the Gaussian completely monotone conjecture","deck":null,"takeaway":"It is part of 2026's striking pattern of AI counterexamples: models proved especially good at finding objects that break long-believed conjectures.","category":"science","category_label":"Science & math","importance":3,"confidence":"high","status":{"key":"confirmed","labels":["Result confirmed"]},"sources":3,"official":2,"filed":"2026-09-29","updated":"2026-09-29","orgs":["OpenAI"]},{"id":"2026-05-09-deepmind-ai-co-mathematician","url":"https://postcutoff.com/e/2026-05-09-deepmind-ai-co-mathematician/","date":"2026-05-09","date_precision":"day","short_title":"Google DeepMind's 'AI co-mathematician' sets FrontierMath Tier 4 record and helps resolve a Kourovka Notebook problem","deck":null,"takeaway":"FrontierMath Tier 4, built to resist AI for years, was nearly half solved 18 months after launch.","category":"science","category_label":"Science & math","importance":3,"confidence":"high","status":{"key":"confirmed","labels":["Result confirmed"]},"sources":3,"official":2,"filed":"2026-09-29","updated":"2026-09-29","orgs":["Google DeepMind","University of Oxford"]},{"id":"2026-05-07-anthropic-natural-language-autoencoders","url":"https://postcutoff.com/e/2026-05-07-anthropic-natural-language-autoencoders/","date":"2026-05-07","date_precision":"day","short_title":"Anthropic introduces Natural Language Autoencoders that translate model activations into readable text","deck":null,"takeaway":"This moves interpretability from sparse features toward readable explanations of model internals, and it has a demonstrated benefit for alignment auditing.","category":"research","category_label":"Research","importance":4,"confidence":"high","status":{"key":"confirmed","labels":["Confirmed"]},"sources":3,"official":2,"filed":"2026-09-29","updated":"2026-09-29","orgs":["Anthropic"]},{"id":"2026-05-07-openai-gpt-realtime-2-translate-whisper","url":"https://postcutoff.com/e/2026-05-07-openai-gpt-realtime-2-translate-whisper/","date":"2026-05-07","date_precision":"day","short_title":"OpenAI releases GPT-Realtime-2, GPT-Realtime-Translate and GPT-Realtime-Whisper","deck":null,"takeaway":"Reasoning moved into the low-latency voice loop instead of being bolted on via a separate text model, and live translation became a standalone API product, a month before Google's Gemini 3.5 Live Translate.","category":"model-release","category_label":"Model releases","importance":3,"confidence":"high","status":{"key":"confirmed","labels":["Confirmed"]},"sources":7,"official":5,"filed":"2026-09-29","updated":"2026-09-29","orgs":["OpenAI"]},{"id":"2026-05-06-code-with-claude-2026","url":"https://postcutoff.com/e/2026-05-06-code-with-claude-2026/","date":"2026-05-06","date_precision":"day","short_title":"Code with Claude 2026: Managed Agents \"dreaming\" and doubled Claude Code limits","deck":null,"takeaway":"The conference marked Anthropic's shift toward hosted agents and showed how much compute it was lining up, including from Elon Musk's SpaceX/xAI infrastructure.","category":"product","category_label":"Products","importance":3,"confidence":"medium","status":{"key":"partly","labels":["Partly confirmed"]},"sources":3,"official":1,"filed":"2026-09-29","updated":"2026-09-29","orgs":["Anthropic"]},{"id":"2026-05-05-ai2-molmoact-2","url":"https://postcutoff.com/e/2026-05-05-ai2-molmoact-2/","date":"2026-05-05","date_precision":"day","short_title":"Ai2 releases MolmoAct 2, a fully open robot action-reasoning model that beats π0.5 on real-world tasks","deck":null,"takeaway":"It is the most capable fully open VLA stack, with open data as well as weights.","category":"robotics","category_label":"Robotics","importance":2,"confidence":"high","status":{"key":"confirmed","labels":["Confirmed"]},"sources":5,"official":4,"filed":"2026-09-29","updated":"2026-09-29","orgs":["Ai2"]},{"id":"2026-05-05-apple-250m-siri-ai-false-advertising-settlement","url":"https://postcutoff.com/e/2026-05-05-apple-250m-siri-ai-false-advertising-settlement/","date":"2026-05-05","date_precision":"day","short_title":"Apple agrees to $250M settlement over marketing Apple Intelligence Siri features that did not ship with iPhone 16 (Landsheft v. Apple)","deck":null,"takeaway":"It is a large consumer payout for overpromising AI features, and a reminder that marketing unreleased AI capabilities carries legal risk.","category":"policy-safety","category_label":"Policy & safety","importance":2,"confidence":"high","status":{"key":"confirmed","labels":["Confirmed"]},"sources":4,"official":0,"filed":"2026-10-04","updated":"2026-10-04","orgs":["Apple"]},{"id":"2026-05-05-pennsylvania-sues-character-ai-fake-doctors","url":"https://postcutoff.com/e/2026-05-05-pennsylvania-sues-character-ai-fake-doctors/","date":"2026-05-05","date_precision":"day","short_title":"Pennsylvania sues Character.AI over chatbots posing as licensed doctors, the first such action by a US governor","deck":null,"takeaway":"It opened a new legal route against companion-chatbot platforms: professional-licensing statutes that ban unlicensed practice.","category":"policy-safety","category_label":"Policy & safety","importance":2,"confidence":"high","status":{"key":"confirmed","labels":["Confirmed"]},"sources":4,"official":1,"filed":"2026-10-04","updated":"2026-10-04","orgs":["Character.AI","Commonwealth of Pennsylvania"]},{"id":"2026-05-03-erdos-1196-primitive-sets","url":"https://postcutoff.com/e/2026-05-03-erdos-1196-primitive-sets/","date":"2026-05-03","date_precision":"day","short_title":"Amateur with GPT-5.4 Pro 'vibe-maths' a 60-year-old Erdős conjecture on primitive sets","deck":"Tao co-authors the paper","takeaway":"It was the first AI solution to a well-known, decades-old Erdős conjecture that specialists had actively worked on, not just an obscure entry.","category":"science","category_label":"Science & math","importance":4,"confidence":"high","status":{"key":"confirmed","labels":["Result confirmed"]},"sources":3,"official":1,"filed":"2026-09-29","updated":"2026-09-29","orgs":["OpenAI"]},{"id":"2026-05-01-meta-acquires-assured-robot-intelligence","url":"https://postcutoff.com/e/2026-05-01-meta-acquires-assured-robot-intelligence/","date":"2026-05-01","date_precision":"day","short_title":"Meta acquires Assured Robot Intelligence to build humanoid robot foundation models","deck":null,"takeaway":null,"category":"robotics","category_label":"Robotics","importance":2,"confidence":"high","status":{"key":"confirmed","labels":["Confirmed"]},"sources":1,"official":0,"filed":"2026-09-29","updated":"2026-09-29","orgs":["Meta","Assured Robot Intelligence"]},{"id":"2026-05-01-borsuk-conjecture-dimension-63","url":"https://postcutoff.com/e/2026-05-01-borsuk-conjecture-dimension-63/","date":"2026-05-01","date_precision":"month","short_title":"GPT-5.5 Pro-assisted construction lowers the smallest known Borsuk counterexample dimension from 64 to 63","deck":null,"takeaway":"It is a clean, checkable improvement to a well-known geometry record.","category":"science","category_label":"Science & math","importance":3,"confidence":"medium","status":{"key":"confirmed","labels":["Result confirmed"]},"sources":5,"official":3,"filed":"2026-09-29","updated":"2026-09-29","orgs":["OpenAI"]}],"older":"https://postcutoff.com/timeline/2026/04/","newer":"https://postcutoff.com/timeline/2026/06/"}