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Johnny Ho Profile
Johnny Ho

@randomjohnnyh

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3,120
Following
174
Media
8
Statuses
42

Cofounder, chief strategy officer @perplexity_ai . Former high frequency trader, competitive programmer.

New York, NY
Joined December 2011
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@randomjohnnyh
Johnny Ho
2 months
Huge thanks to everyone who has followed us on the journey to this milestone: most of all to our users and the team. The enterprise product is just the beginning. We are thankful to be there accelerating productivity wherever you are - from home to work to on the go.
@AravSrinivas
Aravind Srinivas
2 months
Excited to announce we've raised 62.7M$ at 1.04B$ valuation, led by Daniel Gross, along with Stan Druckenmiller, NVIDIA, Jeff Bezos, Tobi Lutke, Garry Tan, Andrej Karpathy, Dylan Field, Elad Gil, Nat Friedman, IVP, NEA, Jakob Uszkoreit, Naval Ravikant, Brad Gerstner, and Lip-Bu
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@randomjohnnyh
Johnny Ho
1 year
Predicting the future with ChatGPT:
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@randomjohnnyh
Johnny Ho
1 year
Super proud of our team at @perplexity_ai for building an extremely powerful search engine. We built a more powerful version of Graph Search with 1% of the time and resources. Made possible by OpenAI Codex. Imagine the future. Check it out at
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@randomjohnnyh
Johnny Ho
2 years
Writing prompts with better phrasing and English makes a huge difference:
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@randomjohnnyh
Johnny Ho
1 year
Not only are LLMs good at SQL, they're pretty good at Python too. Thanks to @plotlygraphs for their amazing library. Try it out:
@perplexity_ai
Perplexity
1 year
With Perplexity, you can search over databases. But also do more! Visualize & Summarize results as aggregate stats, plots Everyone gets to analyze data from natural language. No prerequisite knowledge of SQL or plotting libraries necessary. Link:
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@randomjohnnyh
Johnny Ho
10 months
Hard to believe it's only been 1 year. The problems we work on only become more ambitious as the team gets stronger. We still have much more room to grow in pursuit of our vision. Join us:
@perplexity_ai
Perplexity
10 months
🎂 Celebrating Perplexity's first birthday with a 25% discount on Pro for new subscribers! Use code ONEYEAR25 at checkout. 🔗 Unlock the most powerful AI research assistant with Perplexity Pro. Enjoy enhanced Copilot, GPT-4 access, unlimited uploads, and
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@randomjohnnyh
Johnny Ho
7 months
Excited to work beyond text and on visual information. We are just getting started here: more ways to visualize, format, and interact with the world are coming.
@perplexity_ai
Perplexity
7 months
Your quest for knowledge expands beyond text. Our latest update brings a new dimension to your search, seamlessly integrating images and videos to visually enhance every answer. Try it now on !
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@randomjohnnyh
Johnny Ho
1 year
Super happy to announce our app and series A. Incredible new frontier of possibilities opened up by these launches. 🚀
@perplexity_ai
Perplexity
1 year
Announcing Perplexity AI’s iPhone app and series A funding! Perplexity provides instant answers and cited sources on any topic, now available on iPhone. With follow-up questions, voice search, and thread history, learn and explore faster than ever before.📱
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@randomjohnnyh
Johnny Ho
1 year
At Perplexity we are using large language models for both unstructured and structured search. Now anyone can write SQL and search their data how they want. @perplexity_ai
@perplexity_ai
Perplexity
1 year
Introducing Bird SQL, a Twitter search interface that is powered by Perplexity’s structured search engine. It uses OpenAI Codex to translate natural language into SQL, giving everyone the ability to navigate large datasets like Twitter.
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@randomjohnnyh
Johnny Ho
1 year
We are working on delivering an accurate yet fast interface for knowledge. Now with less typing required.
@perplexity_ai
Perplexity
1 year
Discover and learn faster with Perplexity AI. For any question you have,  will now link to new topics you might be curious about next. Whether you’re reading about people, places, or products, you can now explore and read more simply by clicking:
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@randomjohnnyh
Johnny Ho
1 year
Everyone at @perplexity_ai has been working hard on a novel search experience: a dedicated interface for conversing and retrieving sources at the same time.
@perplexity_ai
Perplexity
1 year
Announcing a major update to Perplexity Ask: the world’s first conversational search engine! Now, you can read answers with up-to-date sources and ask follow-up questions to dig deeper. In other words, you can chat with your search engine! Try it out at
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@randomjohnnyh
Johnny Ho
1 year
ChatGPT identity crisis:
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@randomjohnnyh
Johnny Ho
8 months
Congrats to everyone at Perplexity and @nvidia for making this API happen. Subscribe to Pro for initial rate limits, much more to come in the future.
@perplexity_ai
Perplexity
8 months
Introducing pplx-api, our LLM API which serves Mistral and Llama2 models with blazing speed and throughput. pplx-api is in public beta for our Pro subscribers! We partnered with @nvidia and @awscloud to build our proprietary inference. Learn more:
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@randomjohnnyh
Johnny Ho
1 year
An even faster way to get answers. Available as a Chrome extension now, more coming soon.
@perplexity_ai
Perplexity
1 year
Perplexity Ask is now available as a Chrome extension! Now you can use Perplexity as you browse the web: ask anything, anytime. Answers are just one click away:
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@randomjohnnyh
Johnny Ho
1 year
A blazing fast native iPhone app for @perplexity_ai arriving soon. Amazing work by everyone to create an even faster interface for answers.
@perplexity_ai
Perplexity
1 year
Get instant answers to any question with Perplexity's iPhone app! Don't miss out – join our waitlist now and be the first to try it out.
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@randomjohnnyh
Johnny Ho
1 year
Huge update to the @perplexity_ai Chrome extension - more coming out across the board soon.
@perplexity_ai
Perplexity
1 year
👋 Say hello to a more personalized browsing experience with our updated Chrome extension! can now provide answers focused on the page or website you're currently looking at. No more sifting through irrelevant search results:
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@randomjohnnyh
Johnny Ho
11 months
The fastest version of Llama2 out there:
@perplexity_ai
Perplexity
11 months
Introducing LLaMa Chat: The fastest way to chat with @MetaAI / @meta 's Llama2! Try it here: , feedback appreciated! This is our first step towards building a blazing-fast LLM inference completely in-house, for everyone to try. What's next? We'll be
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@randomjohnnyh
Johnny Ho
10 months
Finetuning enables so many avenues for making Perplexity faster and more reliable. Just the beginning of creating a more powerful data flywheel.
@perplexity_ai
Perplexity
10 months
Exciting update to Copilot on Perplexity with @OpenAI 's GPT-3.5 fine-tuning API! We've improved speed, reduced cost, and matched GPT-4 performance. Copilot now engages faster without losing quality. Here's what you need to know: 🧵
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@randomjohnnyh
Johnny Ho
1 year
Implementing personalization in a transparent, interactive way at . Your answers are tailored to you automatically: no more need to repeat context, ask for language, etc.
@perplexity_ai
Perplexity
1 year
Introducing your AI Profile on Perplexity! Personalize your AI answers with your bio, language, location, you name it. With dynamically generated questions, we're aiming to make your AI experience truly tailored to you. Dive in and experience Perplexity in a new personalized way
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@randomjohnnyh
Johnny Ho
2 years
Try out. Today's LLMs still need a source of truth and information lookup. Super excited to be working with @perplexity_ai on building novel products that do so.
@perplexity_ai
Perplexity
2 years
Announcing Perplexity Ask, a new search interface that uses OpenAI GPT 3.5 and Microsoft Bing to directly answer any question you ask.
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@randomjohnnyh
Johnny Ho
1 year
Large language models might not replace engineers yet, but they're very good at SQL. Looking forward to not having to do any someday.
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@randomjohnnyh
Johnny Ho
2 years
We are used to interacting with computers with minimal input. An open question is what will the layers look like before we can interact efficiently yet accurately.
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@randomjohnnyh
Johnny Ho
1 year
Count @elonmusk 's tweets by year:
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@randomjohnnyh
Johnny Ho
2 years
Using ChatGPT to find the median of three numbers. Which one do you like the best? #ChatGPT
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@randomjohnnyh
Johnny Ho
1 year
This one is really good: "Most followed astrophysicists"
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@randomjohnnyh
Johnny Ho
1 year
@hknerdr @perplexity_ai Hi @hknerdr , thanks for the warm feedback! Adding languages is on our roadmap for sure.
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@randomjohnnyh
Johnny Ho
1 year
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@randomjohnnyh
Johnny Ho
1 year
To be fair, I believe this is because it's known to itself as Assistant.
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@randomjohnnyh
Johnny Ho
2 years
I think this example is enough to convince most software engineers that we're not being replaced anytime soon. To be fair, these issues are fixed if you prompt "write clean and easy to understand code" but this should not be necessary.
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