Anthropic ships Claude 4 with extended thinking and 1M token context
Anthropic released Claude 4 Opus, featuring a new "extended thinking" mode that lets the model reason through complex problems before answering. The 1M token context window makes it the first model capable of ingesting an entire codebase in a single prompt.
Anthropic released Claude 4 Opus today, marking a significant leap in large language model capabilities. The flagship release introduces two headline features: an "extended thinking" mode and a 1-million-token context window.
Extended Thinking Mode