New research reveals a critical vulnerability in advanced reasoning AI models, where logically inconsistent prompts can force them into 'overthinking,' leading to denial-of-service attacks. This 'Evolutionary Prompt Attack' significantly increases resource consumption and poses a serious threat to commercial LLM providers like OpenAI, Google, and DeepSeek.

Alibaba's Qwen team has unveiled a novel Reinforcement Learning (RL) approach, RLVR, designed to significantly enhance data-efficient code-switched Automatic Speech Recognition (ASR). This method uses verifiable rewards and a two-pass refinement process to adapt audio-language models, achieving state-of-the-art performance with just 10% of the data typically required.