Last Week in AI #345 - 5 new models, 9 misalignment incidents, some Dots

Top NewsAnthropic and OpenAI race to release smarter and cheaper modelsSources:Anthropic launches Claude Opus 5.5 with stricter safeguards for cybersecurityOpenAI launches GPT-6 Sol and Luna, boasting lower cost and fewer mistakesOpenAI launches GPT-6.1 Sol, says it nearly matches GPT-6 Astra and co