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 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.
Gemini 3 Pro hits #1 on LMArena with 1501 Elo. A developer's honest first impressions and testing plan vs Claude Sonnet 4.5 for real coding work.