Claude Opus 4.5 Review: Anthropic's New Coding Model Breaks Records
Claude Opus 4.5 achieves 80.9% on SWE-bench with 67% lower costs. Hands-on review of the new effort parameter, token efficiency, and real coding performance.
Claude API Structured Output: Complete Guide to Schema-Guaranteed Responses
Claude API structured output uses constrained decoding to guarantee JSON schema compliance. Learn implementation, best practices, and production gotchas.