Lovable, a Vibe coding tool, reports that Claude 4 has reduced coding errors by 25% and increased speed by 40%. Anthropic's Claude Opus 4 has demonstrated strong performance in coding tasks, achieving a 72.5% score in the SWE-bench and sustaining performance over extended periods. Despite competition from Google's Gemini models, Claude 4 is noted for its coding efficiency and effectiveness, with mixed opinions on its overall superiority.