Latest Opera 121 user agents:

User Agent Platform Device
Mozilla/5.0 (Windows NT 6.3; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.7151.122 Safari/537.36 OPR/121.0.5600.38 Windows 8 Unknown
Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.7151.122 Safari/537.36 OPR/121.0.5600.38 Windows 7 Unknown
Mozilla/5.0 (Windows NT 6.3) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/135.0.7049.42 Safari/537.36 OPR/121.0.5593.0 Windows 8 Unknown
Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/135.0.7049.42 Safari/537.36 OPR/121.0.5586.0 Windows 7 Unknown
Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/135.0.7049.42 Safari/537.36 OPR/121.0.5593.0 Windows 7 Unknown
Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/135.0.7049.42 Safari/537.36 OPR/121.0.5551.0 Windows 10 Unknown
Mozilla/5.0 (Windows NT 6.2; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/135.0.7049.42 Safari/537.36 OPR/121.0.5551.0 Windows 8 Unknown
Mozilla/5.0 (Windows NT 6.1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/135.0.7049.42 Safari/537.36 OPR/121.0.5558.0 Windows 7 Unknown
Mozilla/5.0 (Windows NT 6.1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/135.0.7049.42 Safari/537.36 OPR/121.0.5593.0 Windows 7 Unknown
Mozilla/5.0 (Windows NT 6.1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.7151.122 Safari/537.36 OPR/121.0.5600.38 Windows 7 Unknown
Mozilla/5.0 (Windows NT 6.2; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.7151.122 Safari/537.36 OPR/121.0.5600.20 Windows 8 Unknown
Mozilla/5.0 (Windows NT 6.2; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/135.0.7049.42 Safari/537.36 OPR/121.0.5581.0 Windows 8 Unknown
Mozilla/5.0 (Windows NT 6.3; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/135.0.7049.42 Safari/537.36 OPR/121.0.5565.0 Windows 8 Unknown
Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/135.0.7049.42 Safari/537.36 OPR/121.0.5565.0 Windows 7 Unknown
Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/135.0.7049.42 Safari/537.36 OPR/121.0.5593.0 Windows 7 Unknown
Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/135.0.7049.42 Safari/537.36 OPR/121.0.5558.0 Windows 7 Unknown
Mozilla/5.0 (Windows NT 6.2; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/135.0.7049.42 Safari/537.36 OPR/121.0.5581.0 Windows 8 Unknown
Mozilla/5.0 (Windows NT 6.2) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/135.0.7049.42 Safari/537.36 OPR/121.0.5581.0 Windows 8 Unknown
Mozilla/5.0 (Windows NT 10.0) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/135.0.7049.42 Safari/537.36 OPR/121.0.5551.0 Windows 10 Unknown
Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/135.0.7049.42 Safari/537.36 OPR/121.0.5586.0 Windows 7 Unknown