Claude Opus 5.5 Pricing 2026: What Anthropic's New Flagship Actually Costs

Quick answer: Claude Opus 5.5 costs $4 per million input tokens and $20 per million output tokens on the standard API, a 20% cut from Opus 5, with cache reads down 60% to $0.20. It’s available through the API, Amazon Bedrock, Google Cloud Vertex AI, and Microsoft Foundry, and through Claude’s Pro, Max, Team, and Enterprise subscription plans (not Free).