Anthropic’s Claude Fable 5 and Mythos 5 were abruptly suspended after a US export-control directive tied to a possible jailbreak and national cybersecurity risk. The roundup frames the event as a new “model sovereignty” warning for teams relying on closed frontier APIs. It also covers Kimi-K2.7-Code, MiniMax M3, DeepSWE replacing SWE-Bench Pro, agent-inference benchmarks, sandboxing, and Gemini-SQL2.
Microsoft used Build to present itself as both an AI platform and a first-party model lab, announcing seven MAI models across reasoning, code, image, transcription, and voice. The standout was MAI-Thinking-1, described as a 35B active MoE with 256K context and clean data lineage. The recap also ties the launches to GitHub Copilot, Windows agent runtime ambitions, Web IQ grounding APIs, Foundry distribution, and MAIA 200 hardware.
Anthropic completed a $65 billion Series H round, bringing its valuation to $965 billion and reportedly surpassing OpenAI. The round included strategic investments from memory makers Micron, Samsung, and SK Hynix. The news highlights how frontier AI companies are increasingly tied to hardware and memory supply chains, as investors continue backing foundational model competition.