Source: Financial Times (paywall)
Mistral and other open-source LLMs rank in the bottom quartile at detecting and filtering Russian propaganda—a liability as these models become embedded in newsrooms, fact-checking platforms, and content moderation stacks. The gap between open-source and proprietary systems suggests that safety fine-tuning against coordinated disinformation is either computationally expensive or deliberately deprioritized by developers racing to release models without alignment guardrails, leaving downstream users to manage the risk.