Carrot Labs

Carrot Labs is a Y Combinator-backed company that continuous Fine-Tuning for AI Models. Based in San Francisco, USA, the company participated in the Winter 2026 batch of Y Combinator.

We build specialized LLMs for your business's specific workflows and use cases, then continuously hone them against your success metrics, capturing your proprietary know-how in the model so it gets more valuable and harder to copy as you grow.

Carrot Labs was part of Y Combinator's Winter 2026 cohort, has a team of approximately 2 employees, and is actively operating.