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The Initial Mass Function (IMF) is a fundamental outcome of the star formation process, yet its universality remains debated. Trumpler 14, a young massive cluster in the Carina star-forming complex, provides a unique laboratory to investigate how dense stellar environments and strong radiation fields influence the formation of low-mass stars and brown dwarfs. At an age of just 1 Myr and a distance of 2.3 kpc, Trumpler 14 hosts a high concentration of massive O stars, whose intense feedback may alter the IMF at low masses. Using deep near-infrared observations from the Gemini-South Adaptive Optics Imager (GSAOI), we have probed the substellar regime down to 10 Jupiter masses for the first time, enabling us to construct the cluster’s IMF in greater detail than previously possible. In this talk, I will present our findings on the low-mass population of Trumpler 14 and discuss the role of environment in shaping the low-mass part of the IMF.