#beam

Open Weights Aren't Just Chinese Anymore: Mistral Large 4, Reflection AI's Beam, and the Dolphin Question

Mistral Large 4 and Reflection AI's Beam are the first Western open-weight frontier models in a long while, and neither has shipped a weight file yet. What the two announcements actually say, what the cyber benchmarks really measure, why a security team should care about weights it can hold, and the straight story on "Mistral Dolphin": what an uncensored fine-tune is, how it is made, how operators use it, and where the guardrail goes once the vendor's is gone.