Claude Opus 5.5 (High Effort) Intelligence, Performance and Price Analysis (artificialanalysis.ai)

Claude Opus 5.5, created by Anthropic, has been recently evaluated and emerged as a strong performer in the AI landscape, achieving a score of 54 on the Artificial Analysis Intelligence Index, significantly above the median score of 25. This model supports both text and image inputs, offers a context window of 1 million tokens, and operates at a speed of approximately 91 tokens per second—faster than the average of 71 tokens per second for comparable models. However, its pricing is positioned at $4.00 per million input tokens and $20.00 per million output tokens, making it more expensive than the median costs in its class. The significance of Claude Opus 5.5 lies in its advanced reasoning capabilities and multimodal support, marking a notable progression in AI model performance and functionality. With extended thinking or chain-of-thought reasoning integrated into its processing, the model excels in complex problem-solving, which could enhance applications in diverse fields like automation, legal work, and real-world task execution. Nevertheless, its higher cost may challenge accessibility for some users, prompting debates about the balance between performance and affordability in AI development.