There is no one "best" 3D printer. Not even one to rule them all.
It largely depends on your specific needs and budget. However, some popular 3D printers in the market currently are:
Bambu Labs X1/X1C - is known for its fast, high-quality printing capability and Lidar auto bed leveling.
Ultimaker S5 - is known for its large build volume and high-precision prints.
Prusa i3 MK3S+ - is known for its affordability, reliability, and easy-to-use design.
Formlabs Form 3 - is known for its high-quality resin-based prints and advanced features.
Creality Ender 3 - is known for its affordability, open-source design, and community support.
LulzBot TAZ 6 - is known for its large build volume, versatile printing capabilities, and reliability.
Original Prusa i3 MK3 - a popular 3D printer with high community support and open-source design.
Anycubic Photon Mono X - a resin-based 3D printer known for its high precision and detailed prints.
FlashForge Creator Pro - a dual-extruder 3D printer known for its reliability and ease of use.
Sindoh 3DWOX 1 - known for its convenience and ease of use, with features like automatic bed leveling and filament detection.
Dremel Digilab 3D45 - a user-friendly 3D printer with a built-in camera and advanced safety features.
Ultimately, the best 3D printer for you will depend on your specific needs and preferences, such as the size of your intended prints, the materials you want to use, and your level of expertise with 3D printing.