We recently tested three free models on Kilo's Code Reviews: Grok Code Fast 1, MiniMax M2, and Devstral 2. All three caught critical security vulnerabilities like SQL injection and path traversal. We wanted to see how state-of-the-art frontier models compare on the same test, so we ran GPT-5.2, Claude Opus 4.5, and Gemini 3 Pro through identical...