Zen Yai
9 people recommendvia r/AskSF9 comments cited below
What people say, in short
Zen Yai in the Tenderloin draws recommendations for Thai noodle soups. Individual commenters single out boat noodles and tom yum, and one calls it a personal favorite for Thai food.
Address
Zen Yai Thai Restaurant, 925 O'Farrell St, San Francisco, CA 94109
At a glance
- Signature dishes
- Boat noodles, Tom yum soup, Noodle soups
The evidence
Every point below is paraphrased from a real public comment, ordered by how much the community engaged with it. Caveats and negatives are kept in — follow any link to read the original for yourself.
- Recommendsu/earinsound in r/AskSF · May 2024
Names Zen Yai as an always pick, mentioning noodle soups and other dishes.
- Recommendsu/wetburritoo in r/AskSF · Oct 2024
Favorite Thai pick.
- Recommendsu/lambdawaves in r/AskSF · Oct 2024
Recommends it for Thai if the Tenderloin location is okay.
- Recommendsu/crackleanddrag in r/AskSF · Oct 2024
Calls it legit Thai, noting Thai families eat there.
- Recommendsu/Substantial_Affect49 in r/AskSF · May 2024taste
Best tom yum; authentic takeout-only spot in the TL.
- Recommendsu/NoSet427 in r/AskSF · Oct 2024
Enthusiastic Thai recommendation.
- Recommendsu/PashaCello in r/AskSF · Dec 2025taste
Recommends the boat noodles and the rest of the menu at Zen Yai.
- Recommendsu/Chardmo in r/AskSF · May 2024
Agrees with parent recommending Zen Yai, Million Thai and Saap Ver.
Show all 9 cited comments
- Recommendsu/SnooCalculations5370 in r/AskSF · May 2024
Says plainly that this is the best Thai food in the city.
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Freshness
Details last checked 11 Nov 2026. Recommendations reflect what people said at the time; confirm current details before you go.