One gives you control over the design. The other gives you speed to market. Here is how to decide.
OEM means the factory builds to your design. ODM means you brand a design the factory already owns. Both are legitimate; the wrong choice is expensive.
OEM suits businesses with a differentiated product, protected design and volume to justify tooling. Lead times are longer and upfront cost is higher, but the product is genuinely yours.
ODM suits businesses testing a market, filling a catalogue gap, or competing on distribution rather than design. Time to first shipment is short and minimum orders are usually lower.
A practical path for new importers: launch with ODM to validate demand, then move the winning line to OEM once volume supports it.