The comparison between Claude Opus 4 and GPT-4.1 highlights the strengths and weaknesses of these leading AI models in terms of performance, use cases, API access, and pricing. Claude Opus 4, developed by Anthropic, excels in complex reasoning, coding, and tasks requiring nuanced output, making it ideal for enterprise applications, but it comes with a significantly higher cost compared to GPT-4.1. GPT-4.1, while slightly less capable in complex reasoning, offers robust versatility and cost-efficiency, making it suitable for high-volume, cost-sensitive applications such as chatbots and document processing. Both models accept multimodal inputs of text and images, with Claude Opus 4 outperforming GPT-4.1 in several benchmarks, including software engineering and multilingual Q&A. Developers can access these models via APIs, with Eden AI providing a unified platform for seamless integration and management. Ultimately, the choice between these models depends on the priority given to performance versus cost-efficiency.