Claude Opus 5.5 Model Released with High Intelligence Scores and Pricing
The Claude Opus 5.5 model, released in September 2026, is recognized for its high intelligence score of 58 on the Artificial Analysis Intelligence Index, significantly above the median of 25. However, its pricing is higher than average, costing $4.00 per million input tokens and $20.00 per million output tokens.
%22%2F%3E%3Crect%20width%3D%22800%22%20height%3D%22450%22%20fill%3D%22url(%23glow)%22%2F%3E%3Ctext%20x%3D%22400%22%20y%3D%22275%22%20text-anchor%3D%22middle%22%20fill%3D%22%2360a5fa%22%20font-family%3D%22system-ui%2C-apple-system%2Csans-serif%22%20font-size%3D%22132%22%20font-weight%3D%22800%22%20letter-spacing%3D%22-6%22%20opacity%3D%220.9%22%3Ecn%3C%2Ftext%3E%3Ctext%20x%3D%22400%22%20y%3D%22318%22%20text-anchor%3D%22middle%22%20fill%3D%22%2360a5fa%22%20font-family%3D%22system-ui%2C-apple-system%2Csans-serif%22%20font-size%3D%2211%22%20font-weight%3D%22600%22%20letter-spacing%3D%223%22%20opacity%3D%220.38%22%3ECONTEXT%20NEWS%3C%2Ftext%3E%3C%2Fsvg%3E)
Claude Opus 5.5 was released on September 22, 2026, by Anthropic.
The model supports both text and image inputs and outputs text, with a context window of 1 million tokens.
It scored 58 on the Artificial Analysis Intelligence Index, indicating strong performance compared to the median score of 25 among similar models.
The model generated 260 million tokens during evaluation, significantly higher than the median of 88 million tokens for comparable models.
Pricing for Claude Opus 5.5 is $4.00 per million input tokens and $20.00 per million output tokens, which is above the median prices of $2.00 and $10.00, respectively.
Claude Opus 5.5 is classified as a proprietary model, and its weights are not publicly available. It is accessible via API through six different providers.