KO Prime

★★★★★
  • 90 Tremont St (Nine Zero Hotel)

    Boston, MA 02108

    Map & Directions
  • 617-772-0202

Food

Food
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5 20
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Decided to come to KO Prime for a nice dinner outing with my husband and was truly disappointed. The ambiance is nice, service was good, but the food was definitely mediocre. We ordered the Veal sweetbread which was quite tasty and a

3
★★★★★

Decided to come to KO Prime for a nice dinner outing with my husband and was truly disappointed. The ambiance is nice, service was good, but the food was definitely mediocre. We ordered the Veal sweetbread which was quite tasty and a

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I went here with a bunch of friends to try the all-you-can-eat prime rib special. For $30, you can order as much prime rib as you want. From the outset, we told our server that we wanted the prime rib to keep coming. He promised us that

3
★★★★★

I went here with a bunch of friends to try the all-you-can-eat prime rib special. For $30, you can order as much prime rib as you want. From the outset, we told our server that we wanted the prime rib to keep coming. He promised us that

Pros: All you can eat prime rib option

Cons: Price in general

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This is one of the best steakhouses that I've been to. Try the kobe tartar or the foie gras, and you will be very satisfied. The steaks are excellent, always perfectly cooked. The lowlit atmosphere adds to the dining experience. Definitely check it out.

5
★★★★★

This is one of the best steakhouses that I've been to. Try the kobe tartar or the foie gras, and you will be very satisfied. The steaks are excellent, always perfectly cooked. The lowlit atmosphere adds to the dining experience. Definitely check it out.

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Restaurant week review: Like many places for restaurant week you just don't get a quality meal anymore. We ordered the steak frites (not restaurant week menu) and cod from the restuarant week menu. Both were fine, nothing special. The

3
★★★★★

Restaurant week review: Like many places for restaurant week you just don't get a quality meal anymore. We ordered the steak frites (not restaurant week menu) and cod from the restuarant week menu. Both were fine, nothing special. The

Pros: Wine list (expensive)

Cons: expensive

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I really liked this place. The restaurant was very inviting and cool. The low lighting and comfy seating was relaxing. The steak is out of this world. Well worth a visit. Great location in Boston.

5
★★★★★

I really liked this place. The restaurant was very inviting and cool. The low lighting and comfy seating was relaxing. The steak is out of this world. Well worth a visit. Great location in Boston.

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Although a bit pricier (but what isn't pricey around Boston??) I enjoyed KO Prime. My steak was cooked perfectly, and I had some spaetzle that was delicious as well! It was pretty quiet when we were there, but not empty which was nice. I'd definitely eat here again.

4
★★★★☆

Although a bit pricier (but what isn't pricey around Boston??) I enjoyed KO Prime. My steak was cooked perfectly, and I had some spaetzle that was delicious as well! It was pretty quiet when we were there, but not empty which was nice. I'd definitely eat here again.

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KO Prime has done everything right! Great food and great service. Chef Jamie Bissonnette's take on a new high end steak house is fantastic. The steaks were cooked perfectly, the short rib mac and cheese is to die for and the mushrooms are

3
★★★★★

KO Prime has done everything right! Great food and great service. Chef Jamie Bissonnette's take on a new high end steak house is fantastic. The steaks were cooked perfectly, the short rib mac and cheese is to die for and the mushrooms are

Pros: Food

Cons: nothing

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A friend of mine and his son were traveling on business and had dinner there last night..seems the dining clientele was bit unbalanced, so to speak, as far as the age difference in male and female "couples"..these two guys felt like they had been given some kind of drug as after dinner felt so drugged they hadd to go back to their hotel and have a nap..after relating what the experience was ...could there be some coneciton with men who travel and waiters who push more drinks on the male clientele...me thinketh , there is a correlation..anyone else have that experience?

2
★★☆☆☆

A friend of mine and his son were traveling on business and had dinner there last night..seems the dining clientele was bit unbalanced, so to speak, as far as the age difference in male and female "couples"..these two guys felt like they had been given some kind of drug as after dinner felt so drugged they hadd to go back to their hotel and have a nap..after relating what the experience was ...could there be some coneciton with men who travel and waiters who push more drinks on the male clientele...me thinketh , there is a correlation..anyone else have that experience?

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Never been more disappointed at a so called "high end" steak house. Sure, the place was pricey but we all new that and expected to get what we pay for. But boy, were we wrong. Went with a party of five to celebrate a birthday and none

3
★★★★★

Never been more disappointed at a so called "high end" steak house. Sure, the place was pricey but we all new that and expected to get what we pay for. But boy, were we wrong. Went with a party of five to celebrate a birthday and none

Pros: ambience

Cons: no clues how to cook their steaks

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My husband took me there for my birthday and we had an absolutely fantastic meal! The room is beautiful and cosey with a mix of booths and tables. Knowing it was my birthday, the chef sent us out a few dishes on him... nice to know that

3
★★★★★

My husband took me there for my birthday and we had an absolutely fantastic meal! The room is beautiful and cosey with a mix of booths and tables. Knowing it was my birthday, the chef sent us out a few dishes on him... nice to know that

Pros: Great food and service

Cons: A little pricey for an everyday place, techno music did not fit the atmosphere of the restaurant

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If I followed all the negative and "it was OK..But....." reviews I have read and listened to about Ken Oringers latest venture, I and my partner would have missed out on what we both agreed was as near a perfect evening as one could

3
★★★★★

If I followed all the negative and "it was OK..But....." reviews I have read and listened to about Ken Oringers latest venture, I and my partner would have missed out on what we both agreed was as near a perfect evening as one could

Pros: Decor, wine list, food quality, service

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My fiance and I went for dinner this past Saturday. We often go to Ruth's Chris or Mortons when we're in the mood for a good steak, but we decided to give this place a try. Unfortunately it was a bad decision. After being seated we

3
★★★★★

My fiance and I went for dinner this past Saturday. We often go to Ruth's Chris or Mortons when we're in the mood for a good steak, but we decided to give this place a try. Unfortunately it was a bad decision. After being seated we

Pros: Nice ambience and lounge area

Cons: Overcooked/over-marinated steak, not worth the price

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this place is brand new in the nine zero hotel. the steaks and fish are very fresh. the kobe beef is outstanding. The service is great here, and the ambiance is also very nice.

The staff are extremely nice!

Great location

5
★★★★★

this place is brand new in the nine zero hotel. the steaks and fish are very fresh. the kobe beef is outstanding. The service is great here, and the ambiance is also very nice.

The staff are extremely nice!

Great location

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Just arrived home from ko prime. It was easy to get a reservation. Should have known right there. The host was helpful and the valet was great. The service was not good. After we had our meals, c+ at best, we received the check. I

3
★★★★★

Just arrived home from ko prime. It was easy to get a reservation. Should have known right there. The host was helpful and the valet was great. The service was not good. After we had our meals, c+ at best, we received the check. I

Pros: mushrooms,valet service

Cons: salty steak,service,lack of experience

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The wine list was quite nice, so if all you are interested in is wine, go for it. Although be careful, the wine we ordered was not the one served (they brought out the 2nd wine of the St. Estephe we ordered). The fois gras was excellent,

3
★★★★★

The wine list was quite nice, so if all you are interested in is wine, go for it. Although be careful, the wine we ordered was not the one served (they brought out the 2nd wine of the St. Estephe we ordered). The fois gras was excellent,

Pros: ambiance

Cons: everything else

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I agree with the previous review and had a very similar experience last night while dining with clients at KO Prime. The waiter was not very friendly or attentive. One of my guests had to wait about 10 minutes after everyone else in the

3
★★★★★

I agree with the previous review and had a very similar experience last night while dining with clients at KO Prime. The waiter was not very friendly or attentive. One of my guests had to wait about 10 minutes after everyone else in the

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I've been wondering how come an average of 2.5 star reviews came up to be 4.5 in citysearch summary. That just doesn't add up. We have about 5 people giving this POS place lower than 3 and only 2 giving full 5-star (most likely paid by the

3
★★★★★

I've been wondering how come an average of 2.5 star reviews came up to be 4.5 in citysearch summary. That just doesn't add up. We have about 5 people giving this POS place lower than 3 and only 2 giving full 5-star (most likely paid by the

Pros: Nice view, nice interior

Cons: bad service, bad steak

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Upon being greeted the maitre?d offered to check our coats; a nice touch. Seating was prompt and reservations appear to be a must on weekends. The noise level is fairly high providing a level of privacy should you be sitting close enough.

3
★★★★★

Upon being greeted the maitre?d offered to check our coats; a nice touch. Seating was prompt and reservations appear to be a must on weekends. The noise level is fairly high providing a level of privacy should you be sitting close enough.

Pros: Service, Food

Cons: Ambience, Food

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The service was impeccable, knowledgeable and friendly. We just went for a drink and we ended up stay for a couple and trying some of the apps. The drinks were made to perfection. The Steak Tartare was incredible and the Crab Salad was

3
★★★★★

The service was impeccable, knowledgeable and friendly. We just went for a drink and we ended up stay for a couple and trying some of the apps. The drinks were made to perfection. The Steak Tartare was incredible and the Crab Salad was

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The restaurant that sits where Spire once was has a lot to live up to. KO Prime exceeds its predecessor in every way, and will surely meet with success.\r
\r
The bar and lounge area is still relaxed and fun, and the drink menu has been

3
★★★★★

The restaurant that sits where Spire once was has a lot to live up to. KO Prime exceeds its predecessor in every way, and will surely meet with success.\r
\r
The bar and lounge area is still relaxed and fun, and the drink menu has been

Pros: Inventive and perfectly executed menu, great location, fantastic service, awesome drinks

Cons: High prices - but worth it.

Editorial from

Named after chef Ken Oringer of Toro, Uni and La Verdad fame, KO Prime delivers succulent steaks prepared by the kitchen's executive chef Josh Buehler. Located on the second floor of Nine Zero Hotel, the main dining room is beautifully…

 

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