Opus 4.8 Max is the first model to win at chess without illegal moves
Anthropic's Claude 4.8 Max model demonstrated an ability to play chess by controlling a user's computer. The AI successfully executed moves and achieved checkmate against a friendly bot. While its gameplay was slow, it notably avoided making any illegal moves during the match. AI
IMPACT Shows potential for LLMs to control external applications for complex tasks, though speed remains a limitation.