The film has received praise for its taut direction, atmospheric tension, and strong performances from the cast. The cinematography is noteworthy, capturing the dark and gritty world of the hitman. The score is equally impressive, heightening the sense of tension and unease.

For decades, Indian popular cinema was largely defined by its musical dramas (masala films), but the landscape has undergone a radical transformation. Over the past two decades, a new breed of filmmaker has emerged, drawing inspiration from global cinema to create stories that prioritize suspense, mood, and the complexities of the human psyche over formulaic song-and-dance routines. This has led to a golden age for the Indian psychological thriller, a genre that now enjoys immense popularity on streaming platforms, with films like Andhadhun , Kahaani , and Drishyam being celebrated as modern classics.

The film's impact on Indian cinema is also significant, pushing the boundaries of storytelling and experimenting with complex themes. As the industry continues to evolve, we can expect to see more psychothriller films like "Summer Assassin" that challenge and engage audiences.