Carrot Labs offers AI cost management software that helps teams track and attribute AI spend across every provider. It provides zero-code setup via API key integration, model-level cost breakdowns, per-request attribution through a Python SDK, and Slack alerts for budget monitoring. The product (also marketed as Superpenguin) gives engineering teams visibility into where their AI dollars are going. Carrot Labs is part of Y Combinator's Winter 2026 batch.