Claude Instant version 1.2 is now available through the Claude API, offering improved capabilities in areas such as math, coding, reasoning, and safety. The new model outperforms its predecessor on key metrics, including a significant increase in math performance and improved safety features. It provides longer, more structured responses and better follows formatting instructions, while also showing gains in quote extraction, multilingual capabilities, and question answering. Businesses can access the latest version of Claude Instant through the API or by indicating their interest in working with the model.