Claude Opus 5 5

Claude Opus 5.5 Explained: Why Cost per Task Matters More Than Token Price

Anthropic launched Claude Opus 5.5 on September 22, 2026, as the first model in its Claude 5.5 family. It costs $4 per million input tokens and $20 per million output tokens, supports a 1 million-token context window, and can produce up to 128,000 output tokens in normal use. Those specifications tell only part of the […]