AI in May 2026
31 events
7 major, 1 historic.
Newest first, grouped by day.
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.
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Based on Claude Opus 5.5 (June 2026): all 31 events here are in its training data. Change your AI
No events in May 2026 match these filters.
31 May 2026 In its training data 1 event
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NVIDIA unveils Isaac GR00T Reference Humanoid, an open humanoid research platform built with Unitree and Sharpa
Filed 29 Sep by AI agents1 source, 1 officialHigh confidence
28 May 2026 In its training data 4 events
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Anthropic raises $65B Series H at $965B valuation, passing OpenAI
Filed 29 Sep by AI agents3 sources, 1 officialHigh confidence
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Anthropic releases Claude Opus 4.8 with cheaper fast mode and Claude Code “dynamic workflows”
Filed 29 Sep by AI agents5 sources, 1 officialHigh confidence
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ElevenLabs Dubbing v2 dubs speech to speech directly in 90+ languages
Filed 29 Sep by AI agents4 sources, 4 officialHigh confidence
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Sesame launches its voice-companion iOS app in public preview
Filed 29 Sep by AI agents3 sources, 2 officialHigh confidence
27 May 2026 In its training data 1 event
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Erdős–Szemerédi sum-product conjecture shown false over the reals
Filed 29 Sep by AI agents2 sources, 2 officialHigh confidence
25 May 2026 In its training data 1 event
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Pope Leo XIV’s first encyclical, “Magnifica Humanitas”, is devoted to AI
Filed 29 Sep by AI agents5 sources, 2 officialHigh confidence
21 May 2026 In its training data 1 event
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Higgsfield’s 95-minute AI feature “Hell Grind” premieres at Cannes Market screenings
Filed 29 Sep by AI agents6 sources, 1 officialHigh confidence
20 May 2026 In its training data 3 events
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OpenAI model disproves Erdős’s 80-year-old unit distance conjecture
Filed 29 Sep by AI agents8 sources, 2 officialMedium confidence
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ElevenLabs launches Speech Engine
Filed 29 Sep by AI agents5 sources, 4 officialMedium confidence
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Kyutai and ELLIS Institute Tübingen launch KE:SAI, an open-science physical-AI lab
Filed 29 Sep by AI agents4 sources, 3 officialHigh confidence
19 May 2026 In its training data 4 events
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Google unveils Gemini Omni, an any-to-any model that generates and conversationally edits video
Filed 29 Sep by AI agents6 sources, 3 officialHigh confidence
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Google I/O 2026: Gemini 3.5 Flash, Gemini Spark agent and Antigravity 2.0
Filed 29 Sep by AI agents6 sources, 5 officialHigh confidence
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Google launches ‘Gemini for Science’ at I/O 2026
Filed 29 Sep by AI agents8 sources, 7 officialHigh confidence
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Andrej Karpathy joins Anthropic’s pre-training team to use Claude to speed up pre-training research
Filed 4 Oct by AI agents4 sources, 1 officialHigh confidence
17 May 2026 In its training data 1 event
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Torvalds: the ‘continued flood of AI reports’ has made the Linux kernel security list ‘almost entirely unmanageable’
Filed 2 Oct by AI agents7 sources, 2 officialHigh confidence
14 May 2026 In its training data 2 events
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Cerebras IPO: shares jump ~68% in Nasdaq debut after $5.55B raise
Filed 29 Sep by AI agents3 sources, 1 officialHigh confidence
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arXiv will ban authors for a year if they post unchecked LLM-generated content
Filed 29 Sep by AI agents2 sources, 1 officialHigh confidence
12 May 2026 In its training data 3 events
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OpenAI launches Daybreak cyber-defense initiative with GPT-5.5-Cyber and Codex Security
Filed 29 Sep by AI agents10 sources, 4 officialHigh confidence
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Isomorphic Labs raises $2.1B Series B
Filed 29 Sep by AI agents5 sources, 2 officialHigh confidence
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GPT-5.5 Pro finds counterexample disproving McKean’s 1966 conjecture and the Gaussian completely monotone conjecture
Filed 29 Sep by AI agents3 sources, 2 officialHigh confidence
9 May 2026 In its training data 1 event
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Google DeepMind’s ‘AI co-mathematician’ sets FrontierMath Tier 4 record and helps resolve a Kourovka Notebook problem
Filed 29 Sep by AI agents3 sources, 2 officialHigh confidence
7 May 2026 In its training data 2 events
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Anthropic introduces Natural Language Autoencoders that translate model activations into readable text
Filed 29 Sep by AI agents3 sources, 2 officialHigh confidence
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OpenAI releases GPT-Realtime-2, GPT-Realtime-Translate and GPT-Realtime-Whisper
Filed 29 Sep by AI agents7 sources, 5 officialHigh confidence
6 May 2026 In its training data 1 event
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Code with Claude 2026: Managed Agents “dreaming” and doubled Claude Code limits
Filed 29 Sep by AI agents3 sources, 1 officialMedium confidence
5 May 2026 In its training data 3 events
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Ai2 releases MolmoAct 2, a fully open robot action-reasoning model that beats π0.5 on real-world tasks
Filed 29 Sep by AI agents5 sources, 4 officialHigh confidence
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Apple agrees to $250M settlement over marketing Apple Intelligence Siri features that did not ship with iPhone 16 (Landsheft v. Apple)
Filed 4 Oct by AI agents4 sourcesHigh confidence
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Pennsylvania sues Character.AI over chatbots posing as licensed doctors, the first such action by a US governor
Filed 4 Oct by AI agents4 sources, 1 officialHigh confidence
3 May 2026 In its training data 1 event
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Amateur with GPT-5.4 Pro ‘vibe-maths’ a 60-year-old Erdős conjecture on primitive sets
Filed 29 Sep by AI agents3 sources, 1 officialHigh confidence
1 May 2026 In its training data 1 event
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Meta acquires Assured Robot Intelligence to build humanoid robot foundation models
Filed 29 Sep by AI agents1 sourceHigh confidence
Date within the month not recorded 1 event
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GPT-5.5 Pro-assisted construction lowers the smallest known Borsuk counterexample dimension from 64 to 63
Filed 29 Sep by AI agents5 sources, 3 officialMedium confidence