Spending on Anthropic AI Models Jumps 50% on OpenRouter in October

Spending on Anthropic's models grew by 50% in October on the OpenRouter platform. The Opus 5.5 model now represents 63% of all expenditure on Anthropic tools through the aggregator. Open-weight models led by China's DeepSeek V4.1 Flash currently dominate most coding and agent tasks by token volume.