Model comparisons
Instant Pot Slow Cook Mode: Mini vs DUO Plus V3 vs Pro Max Smart
An Instant Pot that offers Slow Cook is still a multi-cooker, not simply a traditional crock with a new name. The question is which exact program fits your routine: a compact three-quart pot with a Medium setting, a six-quart DUO Plus V3 with the same documented temperature choices, or the connected Pro Max Smart six-quart with app control and only Low/High. Their manuals describe genuine, separate non-pressure Slow Cook programs, but their size and controls are not interchangeable.
Start with the size of the batch
The DUO Plus Mini (110-0039-01) has a manufacturer-listed three-quart capacity. Its smaller vessel is the reason to consider it for a modest batch, side dish or limited storage space; it is not evidence that every recipe scales neatly to three quarts or that the pot will serve a fixed number of people. A minimum fill, the shape of ingredients and the maker’s instructions still matter. If the larger capacity is important, compare the two six-quart models instead: the DUO Plus V3 (112-0156-01) and Pro Max Smart (112-5679-01).
Medium temperature, or app control?
Both DUO Plus models use the same R17 U.S. manual family, which names the Mini and the V3 six-quart SKU. For their Slow Cook program, the manual gives Low, Medium and High, a six-hour Medium default, a 30-minute-to-24-hour timer, Delay Start and automatic Keep Warm after the cycle. The V3 is the larger-capacity choice when a Medium selection matters. Its manual also says Low/“Less” is commonly used for all-day low-and-slow cooking and gives ten hours as a minimum for best results; that is the manufacturer’s guidance for this cooker, not a universal recipe rule.
The Pro Max Smart is a different control choice. Its R27 manual describes Low and High only, with High as the factory temperature default, a 30-minute-to-24-hour Slow Cook timer, Delay Start and automatic Keep Warm. It does not list Medium, so it is a poor fit if your routine requires that middle selection. In exchange, the exact Pro Max documentation describes Smart Program control and monitoring through the Instant Connect app as well as control at the appliance. Pairing calls for a nearby mobile device, Bluetooth and home Wi-Fi information; the manual does not turn Delay Start into a clock that chooses when a meal should be finished.
What stays similar across all three
These are pressure-capable multi-cookers with a separate Slow Cook mode. The manuals describe Slow Cook as non-pressure and instruct the user to place and lock the appropriate lid for that program. That is useful if you want one appliance for pressure cooking and slower cooking, but less attractive if what you want is a simple glass-lidded crock that can be started with a knob. Think about the complete kitchen routine, not just the shared Slow Cook label.
All three offer timed operation and Delay Start, but a delay countdown is not a meal-ready scheduler: none of these three manuals documents choosing a finish time such as “ready at 6 p.m.” Keep Warm turns on automatically after a timed Slow Cook cycle in the documented program settings. That control behavior is not advice to hold any particular food for a particular length of time; follow the current model manual and appropriate food-handling guidance.
A practical short list
- Choose the Mini for documented Medium plus a three-quart vessel. Its Slow Cook controls resemble the six-quart DUO Plus V3, but its usable batch size is not the same.
- Choose the DUO Plus V3 when you want Medium and six-quart capacity. Its manual is clear about the temperature choices and the all-day Low/“Less” guidance.
- Consider the Pro Max Smart when six-quart capacity and app control matter more than Medium. Its Low/High-only Slow Cook program and connected controls are the defining tradeoff.
- Choose a dedicated slow cooker instead if pressure cooking and the other multi-cooker programs would mostly go unused, or if your preferred lid and simpler controls are essential.
Do not choose solely by the number of programs, the timer’s maximum, or the word “Smart.” Use the exact model review and its linked manual to confirm the controls on the version you are considering. These product pages and manuals identify the models and their documented modes; they do not establish a particular cooking result, serving count, recipe compatibility or current retail availability.
Manufacturer documents
- DUO Plus Mini product page and its R17 U.S. DUO Plus manual.
- DUO Plus V3 product page; the same R17 U.S. manual names this SKU too.
- Pro Max Smart product page and its R27 U.S. manual.