Playing D&D is the perfect test case for this. Can Claude “remember” the lengthy sessions from last month? // Managing that memory has been a huge part of the toolchain for playing D&D with Claude. It often gets the gender of characters wrong, as a simple example. Recently, just have access to previous chat sessions has been great and helpful. If you keep your sessions in one project, it’s good at looking at the past chat sessions. We’ll see if this claim of memory over longer sessions pans out. It probably will: Anthropic is a trustworthy company when it comes to product.

🔗 Anthropic releases Opus 4.5 with new Chrome and Excel integrations