Swift Engineer is a GPT built on top of ChatGPT. Developed by Fastlane AI, this GPT functions as an expert Swift engineer, offering support to users in real-time to solve and debug issues related to Swift, a powerful and intuitive programming language for macOS, iOS, watchOS, and tvOS. This sophisticated AI tool can assist in improving code efficiency, understanding and resolving error messages in Swift, advising on best practices, and explaining the usage of different Swift frameworks. To interact with Swift Engineer, users start with standard prompt starters such as 'How do I optimize this Swift code?', 'Can you explain this Swift error message?', or 'What's the best practice for this in Swift?'. The GPT responds in an informative and helpful manner, aiming to significantly improve the Swift coding experience and the productivity of users. This GPT requires a ChatGPT Plus subscription for access, implying that it may come with enhanced capabilities including persistence across sessions or faster response times. Overall, Swift Engineer is a powerful AI tool for Swift developers, potentially becoming an invaluable resource for code debugging and optimization. Note: as with all AI tools, results are subject to the complexity of the query and the tool should be used alongside traditional resources for the best outcome.