Claude Opus 4.7

Claude Opus 4.7 is an Anthropic frontier model released April 16, 2026, positioned as a notable step up from Opus 4.6 in advanced software engineering with the largest gains on the hardest tasks. It handles complex, long-running tasks with rigor, pays precise attention to instructions and can devise ways to verify its own outputs before reporting back. The model also has substantially improved vision, reading images at greater resolution, with pricing matched to Opus 4.6 at $5 per million input and $25 per million output tokens. Best for demanding engineering and agentic work requiring self-verification.