OXO Compact Cold Brew Review (2026): The 1.4L Cold Brew Maker

Why you should trust this review

I bought this OXO Compact Cold Brew maker at retail in March 2025 with my own money. No brand provided it and nobody had any influence over what I wrote. It has been my daily cold brew system for 14 months and has made roughly 80 batches in that time, so these impressions come from a full year-plus of real use.

I also kept a Toddy Cold Brew System nearby for direct comparison, which let me judge the OXO against the classic immersion brewer rather than against my own assumptions. Where I cite extraction numbers, I measured them with an Atago refractometer, a kitchen scale, and a stopwatch.

How we evaluated

Cold brew is easy to make badly and hard to make consistently, so my testing centered on consistency. I measured the total dissolved solids of batch after batch with a refractometer to see whether the extraction held steady or wandered, which is the difference between coffee that tastes the same every morning and coffee that surprises you.

I brewed at a fixed ratio to compare against a mesh-only vessel and against the Toddy, varied steep times to map out the flavor range, and tracked how the materials held up over 14 months. I also timed the cleanup routine, because a cold brewer you dread cleaning is one you stop using.

The rainmaker top and extraction consistency

The standout feature is the rainmaker water distributor that sits on top of the brewer. It has 16 small holes, and when you pour water in, it spreads the stream so the entire coffee bed gets wet evenly instead of getting blasted in one spot. Even wetting is what prevents channeling and the under-extraction that comes with it.

The refractometer showed how much this matters. At a 1:8 ratio the OXO held a TDS of 1.20 to 1.30 percent with low variance from batch to batch. For comparison, a mesh-only vessel without an even distributor produced a much wider 0.95 to 1.40 percent with high variance. That spread is the difference between reliable concentrate and a guessing game.

In daily terms, the rainmaker is why this brewer earns trust. After 14 months the distributor still spreads water evenly, and my batches still land in the same narrow TDS window. Consistency that holds up over 80 batches is exactly what you want from a system you use every day.

The paper filter and clarity

The OXO uses a paper filter, and that choice defines the character of the brew. Paper strips out fines and oils that a mesh or felt filter lets through, and the result is a noticeably cleaner cup. Compared side by side with the Toddy’s reusable felt filter, the OXO produced a visibly clearer brew with less suspended sediment.

To be fair, both brews are perfectly drinkable, and the felt filter has its own fans who like the slightly fuller body it leaves behind. This is a preference, not a defect on either side. But if you want a clean, bright, sediment-light concentrate, the paper filter delivers it, and that clarity is consistent batch after batch.

The honest tradeoff is that the paper filter is a recurring consumable. Every batch uses a fresh one, so unlike the Toddy’s reusable felt, there is an ongoing supply item to keep on hand. Whether that bothers you depends on how much you value the cleaner cup and the no-rinse convenience that comes with a disposable filter.

Fridge fit

One of the quiet wins of this brewer is its shape. The slim profile is only about 4 inches wide, which means it slides into a standard refrigerator door. For a 1.4 L brewer that makes 48 ounces, or six cups of concentrate, fitting in the door is a bigger deal than it sounds.

The Toddy, by contrast, has an 8-inch base that needs interior shelf space, and in a busy fridge that shelf space is precious. Being able to tuck the OXO into the door frees up the shelves for everything else and makes it far more likely you will keep a batch going at all times rather than skipping it because there is nowhere to put it.

Brew character and build and cleanup

The steep window runs 12 to 24 hours, and that range gives you real control over the cup. Twelve hours is mellow, 24 hours is bolder, and most of the time I land at 16 to 18, which hits a balanced middle. Once brewed, the concentrate holds about two weeks refrigerated under the rubber gasket lid, and once diluted it keeps about a week. Dilution is 1:2 with water or milk, which makes a 48-ounce batch stretch a long way.

The build is BPA-free plastic for the body with a borosilicate glass carafe and a rubber gasket lid. After 14 months it has earned only minor cosmetic coffee staining at the inside edges. The carafe is unbroken and the rainmaker still distributes water evenly, so nothing functional has degraded. For a daily-use system that is a reassuring report.

Cleanup takes about 60 seconds. You lift the basket out with the spent filter and grounds, drop them in the compost or trash, rinse the chamber, and wash the carafe by hand or on the top rack. The one wrinkle is that the basket crevices hold onto grounds, so every five batches or so I run a brush through them to keep them clean. That small habit aside, this is one of the easier brewers to live with.

Who should buy the OXO Compact Cold Brew Coffee Maker?

Buy it if:

• You want consistent, even extraction batch after batch thanks to the rainmaker top.
• You prefer a clean, sediment-light concentrate from a paper filter.
• You have limited fridge space and need a brewer that fits in the door.
• You want fast cleanup and do not mind keeping paper filters on hand.

Skip it if:

• You dislike recurring consumables and prefer a reusable filter system.
• You want the fuller, oilier body that a felt filter leaves in the cup.
• You need a much larger single-batch capacity than 48 ounces of concentrate.

The verdict

The OXO Compact Cold Brew Coffee Maker quietly does the hard part of cold brew, which is consistency, better than the mesh and felt systems I compared it against. The rainmaker top keeps extraction in a tight, repeatable window, the paper filter gives a genuinely cleaner cup, and the slim shape solves the fridge-space problem that makes a lot of brewers a hassle to keep going.

The recurring paper filter is the one ongoing cost, and felt-filter fans will miss the fuller body. But after 14 months and 80 batches, this is a system I still reach for every day, and it still performs like it did when it was new. For reliable, clean cold brew in a small kitchen, it is an easy recommendation.