AI · Articlepublished 2d
Anthropic launches Claude Opus 5.5 at $4/$20 with cheaper cache reads
Anthropic has launched Claude Opus 5.5 across paid Claude plans and its developer platform at $4 per million input tokens and $20 per million output tokens, with cache reads cut to $0.20 per million. GitHub is also rolling the model into Copilot, while Anthropic’s performance and efficiency comparisons remain largely vendor-run measurements.