Released Feb 17, 2026, as the new enterprise ‘Workhorse’.nnKey FeaturesnA 1-million token context window (beta) with massive improvements in computer use and agentic planning.nnUse CasenIdeal for analyzing entire company repositories or running ‘Devin’ style autonomous dev agents in parallel.nnWhy Choose Sonnet 4.6?nIt offers the reasoning depth of previous ‘Opus’ models with the speed and cost-efficiency required for global scale.