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Mistral Series D: a €3B bet on open-weight control in Europe
Sep 14, 20265 min read

Mistral Series D: a €3B bet on open-weight control in Europe

€3 billion at a €21 billion valuation. That’s the war chest Mistral says it has secured to push “sovereign, open‑weight” AI into the mainstream, a raise the company calls Europe’s largest tech equity round to date. In its announcement, Mistral argues it’s building the full stack for customers that want performance without surrendering control over […]

Claude Mythos 5.1: safer research access and lower AI costs
Sep 13, 20265 min read

Claude Mythos 5.1: safer research access and lower AI costs

Anthropic says its new Claude Fable 5.1 will cut typical token-billed costs by about 25%, with agent-style runs saving up to roughly 45%. Alongside that, the company is gating a higher-permission twin model, Claude Mythos 5.1, for trusted users in cybersecurity and the life sciences, while claiming a 60% drop in false-positive flags for benign […]

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