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Steven Heidel Profile
Steven Heidel

@stevenheidel

14,376
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402
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Statuses

fine-tuning @OpenAI | 🏳️‍🌈 he/him

San Francisco, CA
Joined October 2014
Don't wanna be here? Send us removal request.
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@stevenheidel
Steven Heidel
12 days
today marks 1 year since i joined @OpenAI - so i can finally share how i really feel about the company... and that is that this is genuinely the best job i've ever had
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@stevenheidel
Steven Heidel
8 months
happy to join microsoft, still not using teams though
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@stevenheidel
Steven Heidel
5 months
father of X Æ A-12 gives advice on naming things
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@stevenheidel
Steven Heidel
8 months
@Benioff @SlackHQ listen, i love slack but the company that builds tableau isn't going to build AGI
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@stevenheidel
Steven Heidel
8 months
looking forward to meeting my new intern
@sama
Sam Altman
8 months
first and last time i ever wear one of these
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@stevenheidel
Steven Heidel
6 days
announcing our new small model gpt-4o-mini! smarter than Claude Haiku and Gemini Flash, and 30x cheaper than gpt-4o
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@stevenheidel
Steven Heidel
7 days
the only real downside to working @OpenAI is all the cool stuff you get to see but aren't allowed to talk about yet
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@stevenheidel
Steven Heidel
2 months
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@stevenheidel
Steven Heidel
8 months
The API team is here. The ChatGPT team is here. The Laundry Buddy team is here. We are all still fully committed to our developers and users.
@snsf
Srinivas Narayanan
8 months
We are still fully committed to our incredible community of developers and users.
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@stevenheidel
Steven Heidel
7 months
brace yourselves, agi is coming
@janleike
Jan Leike
7 months
I'm very excited that today OpenAI adopts its new preparedness framework! This framework spells out our strategy for measuring and forecasting risks, and our commitments to stop deployment and development if safety mitigations are ever lagging behind.
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@stevenheidel
Steven Heidel
4 months
delve into the latest gpt-4-turbo model: - major improvements across the board in our evals (especially math) - dec 2023 knowledge cutoff
@OpenAI
OpenAI
4 months
Majorly improved GPT-4 Turbo model available now in the API and rolling out in ChatGPT.
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@stevenheidel
Steven Heidel
8 months
gonna get this framed to put up in the office
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@stevenheidel
Steven Heidel
2 months
@Google fitting since 2M is also the number of steps it takes to set up an API key
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@stevenheidel
Steven Heidel
8 months
OpenAI is nothing without its people
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@stevenheidel
Steven Heidel
4 months
░W░E░I░G░H░T░I░N░B░I░O░
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@stevenheidel
Steven Heidel
8 months
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@stevenheidel
Steven Heidel
8 months
oh thank god
@donasarkar
Dona Sarkar
8 months
Yo @openai friends! Setting one record straight: If you join @microsoft , you can use whatever tools you’re used to ( @SlackHQ @Zoom @Webex carrier pigeons, whatever) Ask our friends at @LinkedIn and @github !
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@stevenheidel
Steven Heidel
2 months
hope everyone's ready!
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@stevenheidel
Steven Heidel
4 months
in the future no one should have to do work they don't enjoy
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@stevenheidel
Steven Heidel
4 months
reminder: when you see headlines about other models beating gpt-4 they're likely talking about gpt-4-0314 from last year, which doesn't have the significant improvements we've added to the latest gpt-4-turbo models
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@stevenheidel
Steven Heidel
8 months
on your last day at openai they give you your shift key back
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@stevenheidel
Steven Heidel
8 months
❤️
@sama
Sam Altman
8 months
i love the openai team so much
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@stevenheidel
Steven Heidel
2 months
incredible energy at our first @OpenAI event in Paris with over 250+ founders attending! merci beaucoup à tous
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@stevenheidel
Steven Heidel
8 months
@Benioff @SlackHQ sticking with @sama and @gdb - thanks though
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@stevenheidel
Steven Heidel
3 months
my twitter replies are a constant battle between team “where’s ilya” and team “when gpt-5”
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@stevenheidel
Steven Heidel
8 months
customers lost = 0 employees lost = 0 ❤️ emojis = too many to count
@OpenAI
OpenAI
8 months
Sam Altman is back as CEO, Mira Murati as CTO and Greg Brockman as President. OpenAI has a new initial board. Messages from @sama and board chair @btaylor
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@stevenheidel
Steven Heidel
8 months
@OpenAI OpenAI (Bret Taylor's version)
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@stevenheidel
Steven Heidel
4 months
@inflectionAI
Inflection AI
4 months
Today at Inflection we are announcing some important updates. A new phase for the company begins now. Read more here:
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@stevenheidel
Steven Heidel
5 months
the next few months are going to be incredibly exciting
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@stevenheidel
Steven Heidel
3 months
do you love koding? consider joining the applied team @OpenAI
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@stevenheidel
Steven Heidel
5 months
congrats to the @AnthropicAI team on the release of Claude 3 today! as i’ve said before the next few months are going to be incredibly exciting 📈
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@stevenheidel
Steven Heidel
5 months
wild that this was generated from a single text prompt
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@stevenheidel
Steven Heidel
5 months
@elonmusk @OpenAI how'd the twitter name change go?
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@stevenheidel
Steven Heidel
4 months
the upside to working at openai is that you know exactly what @gdb is referencing in his tweets the downside is you still have no idea about @tszzl
@gdb
Greg Brockman
4 months
there's a simple joy in staying up late to finish one last feature
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@stevenheidel
Steven Heidel
8 months
back to work - these models aren’t going to fine-tune themselves!
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@stevenheidel
Steven Heidel
3 months
when gpt-2
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@stevenheidel
Steven Heidel
3 months
GPUs autographed by @nvidia CEO Jensen Huang actually run 20% faster
@gdb
Greg Brockman
3 months
First @NVIDIA DGX H200 in the world, hand-delivered to OpenAI and dedicated by Jensen "to advance AI, computing, and humanity":
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@stevenheidel
Steven Heidel
1 month
yes i would like to use @ChatGPTapp for that
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@stevenheidel
Steven Heidel
2 months
gpt-4o is significantly better than previous models at generating text in images
@gdb
Greg Brockman
2 months
A GPT-4o generated image — so much to explore with GPT-4o's image generation capabilities alone. Team is working hard to bring those to the world.
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@stevenheidel
Steven Heidel
2 months
the "o" in gpt-4o stands for :O
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@stevenheidel
Steven Heidel
10 months
New! Fine-tuning on functions: Try it out to reduce the number of prompt tokens spent on function definitions and improve the accuracy of complex function calls. Excited to hear how it works for you!
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@stevenheidel
Steven Heidel
5 months
@sama another reason to join: you get access to sora
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@stevenheidel
Steven Heidel
3 months
who’s building AI for taxes? upload all your documents, answer a few questions, output a completed return
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@stevenheidel
Steven Heidel
3 months
@OfficialLoganK Logan how could you
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@stevenheidel
Steven Heidel
8 months
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@stevenheidel
Steven Heidel
5 months
legend
@sama
Sam Altman
5 months
@elonmusk anytime 🫡
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@stevenheidel
Steven Heidel
8 months
💙 i love you all
@gdb
Greg Brockman
8 months
❤️
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@stevenheidel
Steven Heidel
3 months
we are once again so back
@lmsysorg
lmsys.org
3 months
🔥Exciting news -- GPT-4-Turbo has just reclaimed the No. 1 spot on the Arena leaderboard again! Woah! We collect over 8K user votes from diverse domains and observe its strong coding & reasoning capability over others. Hats off to @OpenAI for this incredible launch! To offer
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@stevenheidel
Steven Heidel
1 month
feel the Apple Intelligence
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@stevenheidel
Steven Heidel
8 months
turns out @JeffDean actually wrote all the model weights by hand #jeffdeanfacts - seriously though, congrats to everyone at Google and DeepMind on the Gemini release today!
@JeffDean
Jeff Dean (@🏡)
8 months
I’m very excited to share our work on Gemini today! Gemini is a family of multimodal models that demonstrate really strong capabilities across the image, audio, video, and text domains. Our most-capable model, Gemini Ultra, advances the state of the art in 30 of 32 benchmarks,
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@stevenheidel
Steven Heidel
2 months
re-ran this notebook with gpt-4o, it scores 75.4% (vs 63.1% for gpt-4-turbo) and also completes in half the time
@stevenheidel
Steven Heidel
3 months
for fun today i tried out the new RealWorldQA benchmark from @xai and was able to reproduce the result for gpt-4-turbo (although i got a slightly higher 63.1%). great to see more multimodal evals, keep them coming!
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@stevenheidel
Steven Heidel
2 months
sending ♥️ to our incredible team, our amazing developer community, and all our @ChatGPTapp users. hope you’ll join us this morning
@OpenAI
OpenAI
3 months
We’ll be streaming live on at 10AM PT Monday, May 13 to demo some ChatGPT and GPT-4 updates.
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@stevenheidel
Steven Heidel
3 months
it should hopefully be clear at this point that google is not a serious company for developers. i would think twice before building on top of google's cloud services (RIP google domains) or languages/frameworks (Dart, Flutter, Go)
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@stevenheidel
Steven Heidel
3 months
congrats to the @Meta and @MistralAI teams for their impressive model releases this week!
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@stevenheidel
Steven Heidel
8 months
we’re so back
@gdb
Greg Brockman
8 months
Amazing progress made today. We will come back stronger & more unified than ever:
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@stevenheidel
Steven Heidel
9 months
It's hard to overstate how much work went into the new OpenAI Assistants API, and how much we owe to the incredible leadership of @michpokrass and @athyuttamre in getting to today's launch
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@stevenheidel
Steven Heidel
5 months
we’re still so back
@OpenAI
OpenAI
5 months
“We have unanimously concluded that Sam and Greg are the right leaders for OpenAI.” — Bret Taylor, Chair of the OpenAI Board The Special Committee of the OpenAI Board has announced the completion of the independent review into November’s events.
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@stevenheidel
Steven Heidel
7 months
see if you can spot when i switched from manager back to individual contributor
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@stevenheidel
Steven Heidel
7 days
it's 1M input tokens, Michael. what could it cost, $10?
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@stevenheidel
Steven Heidel
3 months
“our ceo is cool now!” - meta recruiters this week
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@stevenheidel
Steven Heidel
2 months
the new gpt-4o model is in a class of its own
@LiamFedus
William Fedus
2 months
GPT-4o is our new state-of-the-art frontier model. We’ve been testing a version on the LMSys arena as im-also-a-good-gpt2-chatbot 🙂. Here’s how it’s been doing.
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@stevenheidel
Steven Heidel
8 months
ChatGPT with voice now available to all users! (Breeze is definitely the best voice btw)
@OpenAI
OpenAI
8 months
ChatGPT with voice is now available to all free users. Download the app on your phone and tap the headphones icon to start a conversation. Sound on 🔊
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@stevenheidel
Steven Heidel
6 days
another top developer request: gpt-4o-mini supports up to 16k output tokens
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@gdb
Greg Brockman
6 days
We built gpt-4o mini due to popular demand from developers. We ❤️ developers, and aim to provide them the best tools to convert machine intelligence into positive applications across every domain. Please keep the feedback coming.
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@stevenheidel
Steven Heidel
6 days
gpt-4o-mini is a large model the size of a small model
@lmsysorg
lmsys.org
6 days
Congrats @openai on the new GPT-4o mini release! GPT-4o mini's early version "upcoming-gpt-mini" was tested in Arena in the past week. With over 6K user votes, we are excited to share its early score reaching GPT-4-Turbo performance, while offering significant cost reduction
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@stevenheidel
Steven Heidel
2 months
double your performance and halve your cost with this one simple trick!
@pbteja1998
Bhanu Teja P 🪶
2 months
I made 1 line change in my code... ...and my @OpenAI bill got reduced by 1/2 😅 Need more hacks like this 😀
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@stevenheidel
Steven Heidel
5 months
openai is nothing without its gross domestic product of several nations combined
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@stevenheidel
Steven Heidel
6 days
@sama intelligence: 📈, cost: 📉
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@stevenheidel
Steven Heidel
5 months
lots of talk about openai’s governance yet few understand that the board is ultimately accountable to the bene gesserit
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@stevenheidel
Steven Heidel
3 months
reminder to tech recruiters: canada has other universities that aren’t waterloo
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@stevenheidel
Steven Heidel
8 months
@_smileyball you should buy a new washer
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@stevenheidel
Steven Heidel
29 days
ChatGPT desktop is now available! been using this for a few months and love it: it's native, super fast, and pops up anywhere with Option+Space
@OpenAI
OpenAI
29 days
The ChatGPT desktop app for macOS is now available for all users. Get faster access to ChatGPT to chat about email, screenshots, and anything on your screen with the Option + Space shortcut:
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@stevenheidel
Steven Heidel
6 months
imagine you’re in canada, it’s -40 degrees out, and your furnace breaks. you call the furnace guy, but he can’t make it until tomorrow. so you use @ChatGPTapp to upload a few images, then after some back and forth you manage to fix it yourself, avoiding a miserable night.
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@stevenheidel
Steven Heidel
2 months
northern lights over san francisco, according to ⁦⁦ @ChatGPTapp
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@stevenheidel
Steven Heidel
2 months
💜
@ilyasut
Ilya Sutskever
2 months
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@stevenheidel
Steven Heidel
5 months
uh oh
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@stevenheidel
Steven Heidel
2 months
fun fact i learned today about the domain : it's 1 of only 3 single letter .com domains that were registered before the remaining letters were blocked from registration. the other two are and
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@stevenheidel
Steven Heidel
3 months
enterprise: “we only trust public cloud providers for our AI models” public cloud providers:
@0xdabbad00
Scott Piper
3 months
Google Cloud accidentally deleted a company's entire cloud environment (Unisuper, an investment company, which manages $80B). The company had backups in another region, but GCP deleted those too. Luckily, they had yet more backups on another provider.
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@stevenheidel
Steven Heidel
4 months
you can now stream responses from the assistants API!
@OpenAIDevs
OpenAI Developers
4 months
Streaming is now available in the Assistants API! You can build real-time experiences with tools like Code Interpreter, retrieval, and function calling.
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@stevenheidel
Steven Heidel
1 month
congrats to all the incredible folks who worked on this partnership from the API team: @oliviergodement @dyett @michpokrass @sherwinwu @snsf @rasmusrygaard @athyuttamre
@michpokrass
Michelle Pokrass
1 month
excited to share what we've been working on with apple 🤠 bringing chatgpt to so many new surfaces has been one of the highlights of my career - excited for you to see it later this year!
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@stevenheidel
Steven Heidel
3 months
for fun today i tried out the new RealWorldQA benchmark from @xai and was able to reproduce the result for gpt-4-turbo (although i got a slightly higher 63.1%). great to see more multimodal evals, keep them coming!
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@stevenheidel
Steven Heidel
4 months
people are using ChatGPT to turn bullet points into emails. then on the other end the receiver is using ChatGPT to summarize the email back to bullet points. this could all be avoided if it were just acceptable to send the bullet points in the first place.
@paulg
Paul Graham
4 months
One reason I dislike being sent stuff written by ChatGPT is that it feels like being sent object code instead of source code. The source code was the prompts.
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@stevenheidel
Steven Heidel
2 months
ngmi tbh
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@stevenheidel
Steven Heidel
4 months
inpainting is now available in chatgpt!
@OpenAI
OpenAI
4 months
You can now edit DALL·E images in ChatGPT across web, iOS, and Android.
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@stevenheidel
Steven Heidel
2 months
i am excited about chelsea’s excitement
@csvoss
Chelsea Sierra Voss
2 months
I am excited about rapha’s excitement
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@stevenheidel
Steven Heidel
8 months
@OfficialLoganK @OpenAI OpenAI is nothing without its amazing developer community
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@stevenheidel
Steven Heidel
12 days
it's a privilege to get to work with so many incredible people every day on technologies that are reshaping the world. looking forward to year 2 and to continue pushing towards AGI!
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@stevenheidel
Steven Heidel
3 months
have you used the @OpenAI fine-tuning API? how's it working for you?
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@stevenheidel
Steven Heidel
2 months
one of our top requests for the assistants API: customizable RAG
@OpenAIDevs
OpenAI Developers
2 months
You can now customize how your files are chunked and change the number of chunks returned in the Assistants API’s File Search tool.
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@stevenheidel
Steven Heidel
7 months
i think there is a world market for maybe five AGIs
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@stevenheidel
Steven Heidel
3 months
OpenAI 日本
@OpenAI
OpenAI
3 months
Introducing OpenAI Japan, our first office in Asia, along with a new GPT-4 custom model specifically optimized for 日本語 (the Japanese language).
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@stevenheidel
Steven Heidel
6 months
really neat application of AI - recommend checking this out. @arcinternet is my default browser on desktop, this may become my new default on mobile.
@joshm
Josh Miller
6 months
a little Sunday surprise for you... meet @browsercompany 's 2nd product: 🔍Arc Search🔎 it's a default browser for your iPhone ...that BROWSES FOR YOU the origin story is a bit unusual so I wanted to give you the full backstory:
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@stevenheidel
Steven Heidel
3 months
interesting (and very readable) paper on improving protection against prompt injection, jailbreaks, and other attacks
@OpenAI
OpenAI
3 months
Introducing the Instruction Hierarchy, our latest safety research to advance robustness for prompt injections and other ways of tricking LLMs into executing unsafe actions. More details:
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