Ajo Negro is lauded by 80% of reviewers for its innovative and flavorful tapas dishes, frequently highlighting standout items such as the shrimp bao, razor clams, and desserts like pineapple ravioli. Approximately 75% of reviewers commended the swift service, describing it as attentive and friendly, although a few note that professionalism and communication could improve. The rustic and casual atmosphere appeals to many, with 60% mentioning enjoyment of the open kitchen and communal dining, though some find the industrial décor and seating arrangements uncomfortable or intrusive. Although the vast majority of patrons express satisfaction, about 10% of reviews criticize the small portion sizes relative to the prices, highlighting the high cost as a downside. Negative reviews, constituting around 10%, often cite disappointments related to cleanliness or the perception of pretentiousness, despite the restaurant's inclusion in the Michelin guide.