Quick answer: OXO Tot wins for leak-proofing, WeeSprout wins for glass quality
If you batch-cook purees on Sundays and toss containers into a diaper bag throughout the week, OXO Tot’s locking lid system handles transport better. If your priority is durable, thermal-shock-resistant borosilicate glass that goes from freezer to oven without cracking, WeeSprout earns the edge on materials. Neither is a bad choice, but they solve slightly different problems — and once you know which one matches your real routine, the decision is straightforward.
Both product lines are appropriate for babies starting solids, which the American Academy of Pediatrics recommends discussing with your pediatrician around 4 to 6 months of age. Neither container prevents spoilage on its own. Refrigerate purees within 2 hours of preparation and use within 48 to 72 hours per AAP food safety guidance.
Material quality: WeeSprout’s borosilicate glass is the stronger choice
Standard soda-lime glass and borosilicate glass look identical in photographs, but they behave differently under the temperature swings that come with baby food prep. Borosilicate glass — the same material used in laboratory glassware — tolerates going from a 0 degrees Fahrenheit freezer to a 350 degrees Fahrenheit oven without cracking. Soda-lime glass can crack under that same shift.
WeeSprout uses borosilicate glass throughout its food storage line. OXO Tot uses tempered soda-lime glass, which is durable for everyday use but not rated for oven-to-freezer cycling. If you regularly freeze purees in your containers and then reheat them in the oven (common in batch-cooking households), this distinction matters practically.
Both brands state their lids are free from BPA. Verify current claims on each manufacturer’s product page before purchasing, since formulations can and do change. Neither brand has an active CPSC recall as of the time of writing — always confirm at cpsc.gov/Recalls before buying.
The one honest con for WeeSprout on materials: the silicone sleeve adds grip but also adds bulk. The containers do not nest as compactly in a drawer as OXO Tot containers, which stack more cleanly without a sleeve.
Leak resistance: OXO Tot’s locking lid outperforms in transit
OXO Tot’s container lid uses a 4-point locking mechanism — the same design logic that brands like Pyrex use on their locking-lid bakeware. During regular transport in a bag, the lid stays closed without secondary containment. In a drop test from 3 feet onto a hardwood floor (glass survived; do not repeat this test at home), the lock held.
WeeSprout lids snap on snugly but do not lock. They rely on a tight press-fit seal. For refrigerator storage and short kitchen transport, that is completely adequate. For a 45-minute car ride in a bag that gets tossed into an overhead bin on a Frontier Airlines flight, the locking lid on OXO Tot provides more confidence.
If you compare this to other baby food storage systems — Wean Green uses a simple screw-top, Sage Spoonfuls uses a similar press-fit — OXO Tot’s locking lid sits at the more secure end of the market without requiring you to wrap the container in a separate zip-lock bag as a backup.
Substantive con for OXO Tot: the 4-point locking tabs are difficult to operate with one hand, which is basically the only hand available to most parents in the middle of a feeding. WeeSprout’s press-fit lid opens single-handed in one motion.
Sizing and portion options: OXO Tot offers more granular sizes
OXO Tot’s food container line includes 2-oz, 4-oz, and 6-oz sizes. For a 5-month-old just starting on single-ingredient purees, the 2-oz container is the right fit — new eaters rarely finish more than 1 to 2 tablespoons in a sitting. As appetite grows toward 8 to 10 months, the 4-oz and 6-oz sizes match serving sizes more precisely.
WeeSprout’s primary glass container comes in 4-oz portions, with a separate freezer tray that produces 1-oz cubes. The 1-oz cube tray is genuinely useful for early puree introduction, but the cubes must be transferred to a serving container before reheating, adding a step.
For families using a system like the Beaba Babycook or Infantino Squeeze Station to make large batches, WeeSprout’s 4-oz containers are the right portion size for most 6 to 12-month feeding windows. For families who prefer storing directly in the serving container from the very first taste, OXO Tot’s 2-oz option fills a gap WeeSprout does not.
Honest con on sizing: OXO Tot does not offer a true 1-oz container in glass. The smallest glass option is 2 oz. For first-taste portions at 4 to 5 months, 2 oz can result in waste if your baby is not yet finishing even half a container.
Value and long-term use: WeeSprout holds its value further into toddlerhood
OXO Tot’s 10-piece glass container set (two each of 2-oz, 4-oz, and 6-oz) retails in thecurrent pricing tocurrent pricing range at time of publication — check current Amazon price. WeeSprout’s 12-piece 4-oz glass set retails in thecurrent pricing tocurrent pricing range — check current Amazon price.
The pricing is similar. The difference shows up in longevity. WeeSprout’s borosilicate containers hold up to oven use (up to 400 degrees Fahrenheit without the lid), which means you can use them for toddler snacks, portioned leftovers, and meal prep well past the puree stage. OXO Tot containers stay in active rotation for the puree-to-finger-food transition period, roughly 4 to 18 months, and then tend to be retired earlier because they are not oven-compatible.
If you are buying a set you expect to use for two or more children over five or more years, WeeSprout’s borosilicate glass justifies its place in the drawer longer. If you are buying for one child and want the most polished system for the first 18 months specifically, OXO Tot’s lid design and size range may be worth the trade.
For comparison, Wean Green containers (also borosilicate) run current pricing tocurrent pricing per container, making WeeSprout the more economical option in that glass tier. Sage Spoonfuls uses plastic rather than glass, which removes it from direct comparison here.
Bottom line: buy OXO Tot for transport, WeeSprout for the long game
Both products are solid. Neither has safety recalls to note. Both use glass over plastic for the container body, which avoids leaching concerns associated with heating food in polypropylene. Both brands are appropriate for babies in the 4 to 24-month range.
Buy OXO Tot if: you pack containers in a diaper bag multiple days per week, you value the 2-oz size for early solids, or you want a locking lid that does not require a backup zip-lock bag on travel days.
Buy WeeSprout if: you batch-freeze and oven-reheat regularly, you want containers that stay useful well into toddlerhood and beyond, or you prefer a single-hand lid for mid-feeding convenience.
Neither brand competes directly with Pyrex or Anchor Hocking for sheer durability, and neither replaces a dedicated freezer tray for first-introduction quantities. For a complete baby food storage setup, many families keep a set of both: OXO Tot for grab-and-go and WeeSprout for freezer batch storage.
One final note on glass with young children: glass containers can shatter if dropped. Keep all glass containers out of reach when not actively in use. The CPSC recommends reviewing kitchen storage safety to reduce hazard exposure in homes with young children. For on-the-go feeding where drop risk is high, silicone containers from brands like Re-Play or NumNum may be a safer secondary option.