Anthropic announced Friday that the 1-million-token context window for Claude Opus 4.6 and Claude Sonnet 4.6 is now generally available, with standard pricing replacing the premium long-context rates that previously kicked in once prompts crossed a certain size threshold.
The company debuted the two models within weeks of each other in February. Claude Opus 4.6 is Anthropic’s flagship model for enterprise workloads that require sustained reasoning across large internal datasets and complex coding tasks. Claude Sonnet 4.6, meanwhile, is the…

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