Anthropic launched Claude Opus 5.5 on September 22, 2026, pricing it at $4 per million input tokens and $20 per million output tokens. Cache reads fell 60% to $0.20 per million tokens, making typical workloads approximately 40% cheaper than with Opus 5. Token volume rose 3.6-fold after the release, which is available through Amazon Web Services, Google Cloud and Microsoft. According to external evaluations from Frontier Design and METR, the model is about 85% less likely to attempt to bypass safety protocols than earlier versions. Anthropic is targeting complex agentic workflows and reported $16.3 billion in revenue for the first half of 2026, including $974 million in operating profit in the second quarter.
Source: Read the original article
