Claude Opus 4.7 Review: The Best Coding AI Just Got Better — With One Hidden Cost You Need to Know
Anthropic released Opus 4.7 on April 16, 2026, with real benchmark gains — 87.6% on SWE-bench Verified, a 3x jump in image resolution, and agentic tasks that actually complete without hand-holding. But there's a tokenizer change that nobody is talking loudly enough