Anthropic says its AI model Claude is helping develop its own successor  Fox NewsMeasurements for understanding the pace of AI development inside frontier labs  AnthropicAnthropic says its chatbot Claude is taking over the work of building its own successor  The Washington PostAnthropic shares 3 metrics to help AI companies monitor pace of development  CNBCAnthropic says its model Claude is helping to build the next version of itself  AP News