Vegan
International
Japanese
Organic
Western
Beer/Wine
Delivery
Take-out
Gluten-free
Breakfast

Plant-based cafe that serves a variety of cuisines from karage bowl and soy bolognaise spaghetti to avocado toast and sandwiches. Has smoothies and desserts. Est. 2019 and became vegan in 2021. Open Mon-Sat 8:30am-5:00pm, Sun 8:30am-6:00pm. Open until 6pm on holidays.


Venue map for Optimus Cafe
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144 Reviews

First Review by ReneeCassels

Isabelmoo

Points +309

Vegan
26 Nov 2025

Great healthy brunch with a view

Stopped here for brunch and was very happy. Luckily there was just enough space left to be sat on the patio and have a beautiful view right on the river. We ordered the soy meat set which was light and tasty but not memorably so but a nice healthy refuel for the afternoon. Also had soup that was ok, could’ve been much more flavorful. Fine matcha latte and delicious tiramisu (my fav vegan tiramisu I’ve had). I do feel the location was my fav part and the food was just ok overall which is why I knocked a star off.

Updated from previous review on 2025-11-26

Pros: Light feel-good brunch, Beautiful view if spots available

Cons: Limited outdoor seating so might be let down

joannathevegan

Points +112

Vegan
23 Nov 2025

Nice views of the river

Small place with lovely views of the river. The menu is simple and the food could be better. Soy meat pieces were deep fried in oil but too much was left on them making it very oily and heavy on the stomach - had better in different places. Staff wasn't particularly friendly.

Updated from previous review on 2025-11-23

VeggiLulu

Points +4171

Herbivore
20 Nov 2025

Interesting Café

Small cafe at the river. Delicious-sounding menu, nice Tiramisu and drinks.

Ricky123

Points +2254

Vegan
16 Nov 2025

Nice spot by the river

Busy place that was full of locals, always a good sign.

Food was fresh and delicious. Highly recommend.

YoungBrouge

Points +78

Vegan
08 Nov 2025

French toast unreal

Small menu. The coffee was great. Great service. Good location.
Very reasonably priced
Don’t press the order button to quick!

thehappyveggie

Points +688

Vegan
08 Nov 2025

Very good and tasty!

Good tasted very fresh, with great olive oil. Only downside is the bar stools were quite uncomfortable.

FrogSoda

Points +957

Vegan
03 Nov 2025

Perfect for Breakfast or Lunch!

The food at Optimus Cafe was so refreshing and delicious. We ended up eating here twice during our stay in Osaka. They have great breakfast and lunch style dishes, including Buddha Bowls and other menu offerings that were more of a “fusion” style. We loved the fried corn fritters and all of their seitan options are excellent! Everything is so filling—portions are very fair!
There’s limited seating so if they’re busy, you will have to wait. We had to wait both times we went but not very long. They do have outdoor seating with a lovely view of the river, but each time we went it was either raining or looked like it was going to rain so we did not get to enjoy that. All the employees are super friendly and very helpful. All of them seem to speak English really well. The dessert taste really good here also! We highly recommend it. 10 out of 10 experience! 

Pros: Easy to find, Delicious food, Friendly service

ClaireE1010

Points +82

Vegan
31 Oct 2025

Healthy Buddha Bowl and great Coffee

Food was great and staff frinedly. The setting is nice however we had a rainy day so did not sit outside for views of water. They gave me a wee pumpkin cookie for Halloween!

Pros: Great Coffee, Healthy Options, Friendly Staff

douglasmarques

Points +23

Vegetarian
25 Oct 2025

Great

Great breakfast, all vegan ingredients

Vegancoffeetraveler

Points +1787

Vegan
24 Oct 2025

Great food and an amazing river-view

We went here for breakfast. You order easily by qr, and the food was great. But maybe even better (not to talk the food down) was the view over the river, looking out over the city hall, basking in the sun. A great spot to start the day!

homebodyhaus

Points +6115

Vegan
21 Oct 2025

Great Vegan Spot in Osaka 🌱

I really enjoyed eating here — they had a lot of good vegan options, and everything tasted fresh. I got the falafel wrap and fries, which were both delicious! Cozy atmosphere and friendly service. Definitely worth stopping by if you’re in Osaka!

rabbitgoeseast

Points +206

Vegan
17 Oct 2025

Fabulous breakfast spot

With so few places open for breakfast we were so pleased to find this place and ate her twice. So between us both we tried almost everything on the breakfast menu. The vegan tofu and sausage breakfast was good. The homemade seitan sausage was a bit weird in texture but overall the dish worked. The French toast was AMAZING and I don’t usually eat sweet things. The avo toast was a good too, and I really enjoyed the yogurt and granola with fruit. I really you can’t go wrong here. Great staff and lovely to sit by the river.

Pros: Great staff, Nice location over looking the river

MichaelLauscher

Points +40

Vegan
15 Oct 2025

Fantastic bowls, fantastic view

To quote my (Polish aka meat-loving) partner: Like THIS I could also go vegan.

Sealoe99

Points +39

Vegetarian
11 Oct 2025

Nice spot, good options

Nice spot along the river. Good options. Enjoyed the avocado toast and coffee. Delightful little breakfast spot and very veggie friendly!

Updated from previous review on 2025-10-11

CarollYG

Points +19

Vegetarian
11 Oct 2025

Muy bueno

Las mesas tienen vistas al río y es tranquilo. Es todo vegano y además hay opciones sin gluten, sino todo.

Fuimos con un amigo celíaco y no tuvimos ningún problema! Así que muy recomendable

PaulaMoya

Points +17

Vegetarian
07 Oct 2025

Buen desayuno

El local es bastante chulo, luminoso y con una terraza con buenas vistas. El camarero es un hombre mayor muy amable y servicial. La tostada de aguacate y la tostada de crema de cacahuete fueron un acierto.

Pros: Comida, Local

Cons: Cafe de maquina

Phlipinator

Points +27

Vegetarian
23 Jul 2025

Good food

Has some nice bowls and lots of options. Service was a bit slow for us, but nothing major.

WendyLo

Points +856

Vegetarian
22 Jun 2025

Very nice food

Nice food and good taste.
Has outdoor area. Might need to wait during peak hour.

Ruzha

Points +4307

Vegan
10 Jun 2025

Western Style Breakfast

I love a good breakfast spot, and Optimus Cafe has really good choices!
Their French toast and Have A Good Day Plate are really delicious!
Their staff was a bit grumpy and chaotic though. They made me the wrong smoothie and took quite some time to remake it, and as I had wanted to drink that first, the rest of the food got quite cold. It was still delicious though.

JessMurfin

Points +477

Vegan
09 Jun 2025

Go for the view, good is average

Gorgeous spot to sit facing the river, I would go alone for the view. The food was tasty, they’d ran out of avo which was a shame but the food was decent. Not my fav but the view alone is worth going. Not the most flavourful food.

Updated from previous review on 2025-06-09

RachelJenkins

Points +2778

Vegan
28 May 2025

Serene location and very tasty

The Buddha bowl was lovely and the location on the water was very tranquil. The soy meat (side dish) was not the best, but the main course was great!

martint

Points +9685

Vegan
24 May 2025

Bland taste

Unfortunately the food here wasn't as good as in other places in Japan. It was almost tastless and the portions were small as to the price. Also the restaurant was pretty dirty. They seem to have a great view of the river but the day we visited them, the terrace was blocked. I left the place quite disappointed.

StephanFreiaKruse

Points +100

Vegan
22 May 2025

Great Location and good food!

The river terrace is awesome, while the breakfast option could be more diverse and the portions somewhat larger. Overall, a good place to enjoy a vegan breakfast.

Pros: Terrace , Strictly vegan, Servers

Cons: Small potions

kimionearth

Points +118

Vegan
21 May 2025

It is okay but i wouldn't come back

We had the Avo Toast with Orange Juice and the PB Toast with a Oat Milk Latte.
All for 2000 Yen.
The Coffee was not nice, so i wouldn't recommend it.
Also there is little seating options.

sirenensang

Points +23

Vegetarian
15 May 2025

Great view, great food

Had a great mixed plate of breakfast. Server doesn't speak english, but ordering via website was no problem. The view is truly great and the food is really good, even creative. Portions could've been larger for my european stomach.

Pros: Great view, Great taste, Fair price

Cons: Portion size

Betty.21

Points +72

Vegan
22 Apr 2025

Great Place for Breakfast or Lunch

I came here several times for lunch or Breakfast. The place is often busy but you can get a place with a little waiting time or you kind of go to an off schedule time. I loved the food every time I went there! Staff manager (or owner?) speaks English very well. Ordering is via online Menu in English possible. The view of the outdoor deck is amazing! Definitely recommend!

Pros: Great view, Delicious Food all day, Free WiFi

Cons: Might have waiting line on popular days

Purposely_Vegan

Points +2421

Vegan
19 Apr 2025

Brilliant breakfast

A great restaurant right on the river in Osaka. The breakfast bowl and French toast were very very good!




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