Interesting to know if Sol Ti inner is wider than Sol due to Ti allowing thinner material.
So far, largest I've seen confirmed to fit is 110g, which is…10% more fuel than Jetboil's 100g which is an obvious missed opportunity. Like the 100g JB canister was sized way back before Sol Ti and it is a tight fit in non-Ti pots?
The weight arguments for taking a JB begin to become real as you get towards whole-canister usage as relatively little weight reducing but an Alcohol stove adds 16g per 500ml vs gas 4g/500ml. So having more gas sizes which fit internally just switches more trip durations into gas which would otherwise use a 230g or add another 100g which then nullifies gas weight advantage.
Seriously though, on 5 day trips, this is my usual (current) habit which is 2 x 500ml for breakfast (one large drink, porridge), 2 x 500ml for supper (one large drink, dinner, the wetter the food the less the drink), so at fuel on the low-setting is 4x4g = 16g, 5 days = 80g so about 20g spare safety for any simmering. If I use fuel at max speed then the canister forecasts empty (4x5g x5 days =100g). However, the JB being fast to boil opens up possibility of a hot lunchtime stop (instead of keeping moving) which would then take right up empty. A 110g or more would then be a safety extra.
For these reasons its making me think on that 5day borderline canister life, a couple of Esbits just in case, lighter to add than another canister or carrying a larger canister. Use the canister at the start, if its emptied then Esbit the last meal.
For less than 5 days or less cooking, then less of a canister-running-out concern.