Google sells TPUs ⚡, Mistral Vibe agents 🤖, AI eval bottlenecks 📉

# What You Need to Know This Week Google is now letting companies buy its custom AI chips (called TPUs) instead of renting them, which could change how businesses approach AI costs. Mistral released new AI agents that can handle tasks more independently. Meanwhile, companies are struggling to properly test and evaluate their AI systems before deployment—a growing problem as AI gets more complex.