What are the benefits of training both gi and no-gi?

Gi and no-gi BJJ develop different but complementary skills. In gi training, the friction and grips slow the game down, forcing you to be precise and technical. The collar, sleeve, and pant grips create a chess-like battle for control. Gi training builds incredible grip strength that transfers to no-gi. No-gi training is faster and more dynamic because the lack of fabric grips means positions are harder to hold. You develop better body awareness, underhook fighting, and wrestling skills. The scrambling in no-gi builds reflexes and adaptability. Techniques from gi often work in no-gi with modified grips. Sweeps from spider guard concepts can be adapted to butterfly guard. No-gi takedowns and scrambling skills make your gi game more dynamic. The best approach is to train whichever style is offered each day rather than exclusively committing to one. Over years, the cross-pollination between styles creates a deeper understanding of grappling than either alone provides.