Aug 12 (Reuters) - Swedish vibe-coding startup Lovable said on Wednesday it raised $400 million in Series C ‌funding at a $13.3 billion valuation, double its valuation ‌from December. • Lovable, which helps users build software through natural-language prompts, had raised $330 million at ​a $6.6 ​billion valuation in December last ​year. • Annual recurring revenue ‌has nearly tripled from $200 million, and the company is tracking toward $600 million by the end of August, the startup said. • Since its launch in November 2024, people have created more than 60 million projects, and Lovable-built apps ‌attract more than 900 million ​visits a month, the startup said. • Lovable said ​it plans to grow to roughly 450 team members this year, hiring most heavily in machine ​learning, product, infrastructure ‌and security roles.