Anthropic releases Claude Opus 4.7, narrowly retaking lead for most powerful generally available LLM

Opus 4.7 utilizes an updated tokenizer that improves text processing efficiency, though it can increase the token count of certain inputs by 1.0–1.35x.
Max Planck Society

"The foundations of AI systems are flaky"

Professor Gummadi, at what point does an AI system become an AI agent? Is ChatGPT already an AI agent, or does it require more than that? Let me try to answer this question first on a conceptual level ...