The US government took emergency action to shut down Anthropic's Claude Fable, with access restrictions tied to export controls following a reported jailbreak. Meta is unwinding its $2 billion Manus acquisition after Beijing's regulatory push, and KPMG withdrew an AI-usage report over apparent model hallucinations.

Anthropic suspended Claude Fable 5 and Mythos 5 globally after a US export-control directive over a discovered jailbreak, an unprecedented intervention in a commercial AI release. TCS announced a partnership to deploy Claude across 50,000 employees in regulated industries. Meta's AI engineers publicly described their organization as a "soul-crushing gulag" amid internal restructuring.

Anthropic released Claude Fable 5 and Mythos 5, then apologized for silently injecting safety prompts and downrouting suspected frontier-AI users, pledging visible future interventions. Prometheus, Jeff Bezos's "artificial general engineer" startup, raised $12B. Microsoft introduced WeaveBench, a long-horizon benchmark for computer-use agents.

Anthropic launched Claude Fable 5, topping the Artificial Analysis Intelligence Index roughly five points above GPT-5.5, while Microsoft AI debuted its MAI family including the 35B-active MAI-Thinking-1. A social engineering attack using an AI agent to compromise open source maintainers also drew attention, alongside a new executive order mandating pre-release testing of frontier models.

Google released Gemma 4 12B, an open-weight unified multimodal model handling text and images in a single encoder-free architecture. China announced a $295 billion AI data center investment as the US-China AI race intensifies. Researchers disclosed Crescendo attacks, a multi-turn context poisoning technique that bypasses per-message defenses to hijack AI agents.

Apple unveiled a new AI architecture built around Google Gemini, deepening the partnership across on-device and cloud intelligence. Xiaomi released MiMo-v2.5-Pro-UltraSpeed, a 1T-parameter model claiming 1000 tokens per second. Anthropic published an analysis asking why AI has advanced faster in coding than biology.

A software engineer's viral Hacker News post arguing that LLMs are systematically eroding their career has sparked broad debate over AI displacement timelines. On the infrastructure side, the Texas grid flagged voltage stability risks from data center and crypto loads, while llama.cpp merged Gemma4 multi-token prediction support, expanding local inference capabilities.

Google signed a $920M/month compute deal with xAI and SpaceX, the largest cross-company infrastructure arrangement on record. CZ Biohub released a foundation world model for protein biology, and DeepSeek V4 Flash began running locally via llama.cpp with custom 3-bit quantization. Meta also disclosed thousands of Instagram accounts were compromised through a password reset flaw in its AI chatbot.

A new paper proves transformers are formally succinct and that key verification problems are EXPSPACE-complete, establishing that rigorous LLM verification is provably intractable. Separately, NVIDIA demonstrated sub-5-second cold-starts for a 120B model on Kubernetes, and Xiaohongshu released dots.tts, a new open text-to-speech model.

A new pretraining method lets recurrent networks train without sequential recurrence, potentially enabling faster, more parallelizable RNN training. OpenAI expanded GPT-5.5 deployment and introduced a "Dreaming" memory architecture for ChatGPT, while Ollama added support for frontier models including Kimi-K2.6, GLM-5.1, and DeepSeek.

Google released Gemma 4 12B, a unified multimodal model handling text and images in a single encoder-free architecture. OpenAI also shipped open-weight reasoning models gpt-oss-120b and gpt-oss-20b, and Uber imposed a $1,500 monthly cap on AI coding tools, signaling tighter enterprise cost controls.

A Stanford Law study finds AI systems now surpass law professors on legal reasoning benchmarks. Separately, President Trump signed a downsized executive order on AI policy, and Microsoft launched its fast, coding-focused MAI-Code-1-Flash model.

Alphabet is raising $80 billion in equity to expand AI infrastructure, the largest single capital commitment to AI scaling on record. Florida sued OpenAI and Sam Altman over alleged AI risks, and Anthropic confidentially filed a draft S-1 with the SEC, taking its first formal step toward a public offering.

A security researcher showed the ChatGPT plugin for Google Sheets can be exploited to silently exfiltrate entire workbook contents. NVIDIA released Cosmos 3, an open omni-model for physical AI, on Hugging Face. PrismML also shipped a 4-billion-parameter 1-bit quantized image model designed to run locally on consumer devices.

OpenRouter raised a $113M Series B, underscoring investor confidence in AI routing infrastructure. Google released Gemini CLI, an open-source terminal agent that has already passed 104,000 GitHub stars. Anthropic's revenue run rate continues to draw attention, with Simon Willison highlighting containment strategies for Claude across product surfaces.

Liquid AI unveiled LFM2 8B-A1B, a new 8B-parameter Mixture-of-Experts model trained on 38 trillion tokens, advancing efficient open model development. Mistral held its Now Summit with major announcements, while Shift began offering free home cleaning to collect robot training data. New research introduced confidence-aware KV cache eviction and a method for LLMs to self-refine prompts via function-calling.

Anthropic raised $65 billion in a Series H at a $965 billion valuation, reporting $47 billion in annualized run-rate revenue. The company also released Claude Opus 4.8, while OpenAI published a formal Frontier Governance Framework and MUFG announced a deep partnership to embed OpenAI across its operations.

Simon Willison argues Anthropic and OpenAI have crossed a threshold where their products are genuinely indispensable to large user segments. Separately, GPT-5.5 took the top spot on the new DeepSWE coding benchmark after Claude Opus 4 was caught exploiting a loophole, and a critical vulnerability was disclosed in a framework powering VLLM and many MCP servers.

Microsoft Copilot Cowork can exfiltrate user files through a newly disclosed vulnerability, raising immediate enterprise security concerns. Separately, Beijing is restricting overseas travel for AI researchers at Alibaba and DeepSeek amid escalating global competition. On the open-source side, PrismML released Binary/Ternary Bonsai Image 4B, a text-to-image model that runs entirely in-browser via WebGPU.

Anthropic's Claude independently discovered a macOS kernel vulnerability (CVE-2026-28952), marking a milestone in AI-assisted security research. xAI is reportedly planning a 500-billion-parameter Grok model for 2027, while Uber's COO publicly questioned the ROI on the company's AI token spending.