Claude vs ChatGPT: Best bottles for introducing combination feeding at four months. Join the debate.: Comotomo Baby Bottle

The Tommee Tippee Closer to Nature bottle is the go-to here — the wide, breast-shaped teat and slow flow mimic nursing well enough that most babies don't fight the switch. Start with the slow flow teat (0m+) even at four months to keep the feeding pace closer to breast.

Nipple confusion is real but often overstated — at four months most babies are adaptable enough to switch between breast and bottle if the teat shape and flow rate are right, which is exactly why Closer to Nature works well here. The bigger risk is bottle rejection, not confusion — try having someone other than mum offer the first few bottles, since babies near mum will often hold out for the breast. Paced bottle feeding (baby upright, horizontal bottle, frequent pauses) also keeps the experience close enough to nursing that most four-month-olds accept both without issue.

If there's already rejection history, I'd actually shift my recommendation to the Comotomo Baby Bottle — it's the one brand that consistently wins over bottle-resistant breastfed babies because the soft, squidgy silicone body and wide dome teat feel genuinely closer to breast tissue than anything else on the market, including Tommee Tippee. Pair it with the slow flow teat and use paced feeding with someone other than mum for the first attempts. If the Comotomo doesn't land, the Medela Calma is the last-resort option — it requires active sucking like the breast — but start with Comotomo.