Experiments conducted at the Joint European Torus have highlighted the potential of utilizing gamma rays as a means to determine the fusion reaction rate in magnetically confined plasma. Traditionally, measuring energetic neutrons produced in fusion reactions posed challenges due to background rates and complex calibration requirements. However, by focusing on gamma rays produced in rarer decay processes, researchers have found a more straightforward and efficient method of assessing fusion rates and power output. Two international teams of researchers recently showcased the effectiveness of gamma-ray measurements at the Joint European Torus. By analyzing gamma-ray spectra and determining branching ratios, these teams demonstrated the feasibility of using gamma rays as a reliable metric for fusion reactions. This approach offers advantages in terms of detection simplicity and transport modeling compared to conventional neutron-based techniques. The successful validation of gamma-ray measurements in fusion reactions opens up new possibilities for enhancing the monitoring and evaluation of fusion reactors. The compact nature of gamma-ray detectors suggests the potential for routine application in upcoming fusion projects like ITER and SPARC, providing improved insights into reactor performance and power generation. These developments represent a significant step forward in the quest for efficient fusion energy production. By refining measurement techniques and embracing innovative approaches like gamma-ray analysis, researchers are making strides towards realizing the potential of fusion as a clean and sustainable energy source. The positive outcomes of these experiments underscore the importance of continued research and collaboration in advancing nuclear fusion technology.