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Live now in Mito -- upload your Excel or CSV file to get answers instantly. The agent will import/explore your data and build polished visualizations.
Anyone else notice a decrease in gpt-4.1's performance on your evals since yesterday's gpt-5 release?
GPT-5 is now live in Mito in your Jupyter Notebooks & completely open source. (video only a bit sped up...)
Watch This Let’s begin with an annoying but necessary admission: you are not reading this. Or rather, you are reading it in the same way one might watch a pot of water boil while scrolling Instagram. You are skimming it, eyeballing it, trying to extract the “value” (ugh) without…
Claude 4.1 Opus made me realize that I've been asking the AI to return invalid JSON for the last few months... I was asking for `"field": None` which isn't valid. None is Python, not JSON. - Opus 4.0 automatically converted it to "field": null - Opus 4.1 took me literally…
GitHub PRs being down makes me realize how much of my day is seeking approval from CI to tell me I did a good job
Asking AI to return diffs instead of full code rewrites works way better. I was getting lots of `# ... rest of code here` placeholders. Asking the AI to make concentrated changes through diffs and then applying them on its behalf works way better. Before and after below
Quick question on evals for coding assistants (like Cursor, but much simpler) @HamelHusain Should I run evals on my actual app code or build a separate simulation codebase? Using actual app + Playwright: + Zero discrepancy between real context management vs eval context -…
It's live! And it's pretty useful too ie: I wouldn't want to weight pedestrian injuries and fatalities the same when figuring out which roads are most dangerous in NYC. (Sorry Belt Parkway for the bad press...)
It's live! And it's pretty useful too ie: I wouldn't want to weight pedestrian injuries and fatalities the same when figuring out which roads are most dangerous in NYC. (Sorry Belt Parkway for the bad press...) https://t.co/miSCu6yoYF
The new Twitter algorithm is crazy. I've gone from getting 200 views per post to like 250🤯
So much of data analysis is making + managing assumptions. Unless you're the type of prompter that writes up a full specification, the AI is going to make those assumptions for you. I'm experimenting with a new chat component `Assumptions Control` (better name coming soon)…
Social medial platforms should be required to give users configuration options to turn off short form content + infinite scroll just like gambling apps are required to offer self-exclusion programs.
"Customer Service Agent" is now an entirely ambiguous job title. Idk if I'm about to get connected to a human or specialized LLM agent
Just shipped some updates to Mito AI (v 0.1.33) that I'm proud of: 🗄️ Database connectors: Tell the agent to query your Snowflake, PostgreSQL, MySQL, etc databases directly from your notebook 👣 Next Steps suggestions: After completing tasks, the agent proactively suggests what…
Which games have the best UX for managing AI players?
Which games have the best UX for managing AI players?
What are best practices for implementing multi model support when I need structured outputs? OpenAI, Gemini and Anthropic all handle structured outputs in slightly different ways which adds a ton of overhead. Do I need to use a middle service like @OpenRouterAI?
When I can't tell if ChatGPT is using actual reasoning or just following my leading questions, I lose a lot trust in its response. One cool experiment we're running: force the AI to cite its work in Python code. Makes verifying its answers so much easier!
When I can't tell if ChatGPT is using actual reasoning or just following my leading questions, I lose a lot trust in its response. One cool experiment we're running: force the AI to cite its work in Python code. Makes verifying its answers so much easier!
AI Agent built for Data Scientists that can create full notebook workflows from a single prompt! Data Copilot is like Cursor but built for data scientists. I have built a complete ML notebook: import data, clean it, train models, and test them, all in one go. 100% Open Source
ChatGPT has outages and Stack Overflow is down... the only people writing code right now are agents

Sauvignon Bonk 🦅 @yung_chungus
164 Followers 345 Following Gamer, father, husband - In that order. On death row in horny jail. Always wishing the sweet maiden of the golden ale good night.
Milan Savani @milan95
318 Followers 475 Following MD student @UTSWnews. PhD from the McBrayer lab @CRI_UTSW. @PennSAS & @Wharton grad. Views my own; RT ≠ endorsements. He/him.
maggie valentine @magglevalentine
1K Followers 523 Following design stuff @vercel | prev @uniswap | views are my own
Max Sturdivant @msturdi
244 Followers 325 Following University of Arkansas | Lonoke Extension Center
Annabelle Williams @annabelle_g_w
905 Followers 1K Following @wsj obits | she/her | taller in person
Charlie Dolgenos @CharlieDolgenos
233 Followers 442 Following Production Coordinator, @apple. Former @LASparks and @spurs.
Maureen @MaurinOneBowl
532 Followers 434 Following Taking Latin in high school IS a personality trait. This is my fight song!
Ricky Sayer @RickyReports
5K Followers 3K Following News Reporter @KDKA in Pittsburgh | Working to inform, build community | Alum: @LEX18News @SyracuseU '21 @CitrusTVNews | Formerly the youngest person around
OdeliaAly @Fl669l0lzQBfK
11 Followers 557 Following Dream big, work hard, stay focused, and surround yourself with good people.
Vincent Koc @vincent_koc
10K Followers 6K Following Technologist & Futurist | AI Engineering & Data Leadership | DevRel @cometml, Writer @forbes and Lecturer @MIT | Ex @Microsoft @Qantas | Startup Investor
StarEvelynClark @Srooucjea93912
32 Followers 2K Following Living life on my own terms Finding joy in the little things
AngelAriaBrown @Awnooxo85891
13 Followers 2K Following Ambition is my middle name Embrace the journey
Carlotta @Fawke565798
45 Followers 2K Following There is no limit to what we, as women, can accomplish.
Alherno @Alherno0504437
121 Followers 3K Following
Gabriella @Driji02290
56 Followers 2K Following The most alluring thing a woman can have is confidence.
DoloresChilde @2jCr1sSyZIP8F2
17 Followers 579 Following
RachelLeonard @Sm0nl1sf0tgAw9
17 Followers 883 Following
Ygeeate @Ygeeate594707
14 Followers 2K Following
YeddaByron @zDzvY81xfZcr3VX
22 Followers 1K Following My hobbies include eating and complaining that I’m getting fat.
Audogir @Audogir6195
1 Followers 625 Following
Ximaw @Ximaw4268533
28 Followers 344 Following
SuzanneBush @NkVF4fM6wyhHEdY
34 Followers 1K Following
FintechStocks🇺🇸 @Logui625
43 Followers 2K Following 15-30% Monthly | 2 High-Conviction Stocks.Short-Term Gains: 15-20% in Days/Weeks.DM "JOIN" for WhatsApp Alerts. Live Trade Signals • Market Analysis
Davina @Vrereapoo64353
43 Followers 2K Following You don’t have to play the game the way they wrote it.
Caroline @96wG7KJEFE5G2KF
8 Followers 817 Following
Emmanuelle @JanyM65055
76 Followers 3K Following
JoyPeter @59f54TQIm23UZuH
34 Followers 1K Following
Soohu @Soohu220462
29 Followers 2K Following
Alonso Silva @alonsosilva
4K Followers 3K Following AI Researcher @ Bell Labs | PhD in Physics | LLMs, LLMs, LLMs
Matthew @templative
370 Followers 6K Following lead AI initiatives at consulting firm. interested in why things are the way they are and which things could instead be other better things 🇬🇧
Jodjof hana❤️ @PrettyMiss_
431 Followers 1K Following 👜 Fashion Designer Celebrating individuality through design | Innovating with a sustainable heart ❤️ Join me on the journey of style. ✨
Zheng | Vibe Working @zheng401
948 Followers 4K Following vibe living with AGI @Kimi fueled by caffeine, code and dream!
Maxim Ziatdinov @MaximZiatdinov
2K Followers 2K Following I use artificial intelligence to boldly go where no human has gone before in experimental sciences. Opinions are my own, but please don’t hold them against me.
Joe Cole - e/acc @joecole
14K Followers 15K Following Human potential x software x AI. Science maximalist. e/acc x h/acc. Prev founded SaaS for pro sport & olympians.
mark erdmann @markerdmann
1K Followers 2K Following co-founder @ pulley. building the #1 equity management platform. trusted by top startups, backed by founder's fund, stripe, and yc. two-time yc reject.
cat @catheryn_li
3K Followers 708 Following building voice AI agents @simpleailab (yc s24). prev @ycombinator @instagram @mit
Alevo @Alevo804946
39 Followers 1K Following
Luis F Salguero @lfsalguero
405 Followers 631 Following
Efeekoo @Efeekoo2897
111 Followers 2K Following
Ozzy @ozmin24
129 Followers 1K Following Living in Australia for 23 years, Software Developer based in Australia with a focus on Data Science projects.
Shlok Ashish Sheth @ShlokSheth_I
12 Followers 199 Following 20, building AI dashboards 📊 | founder @DataExchange_Purdue, co-founder @BDAAM_Purdue | DS @Purdue | [email protected] | https://t.co/tReO0iM0wh
DataDrivenTrades🇺�... @Rirebork605215
34 Followers 2K Following 15-30% Monthly | 2 High-Conviction Stocks.Short-Term Gains: 15-20% in Days/Weeks.DM "JOIN" for WhatsApp Alerts. Live Trade Signals • Market Analysis
nick bradford @n_s_bradford
2K Followers 2K Following building @cursor_ai | prev co-founder @ellipsis_dev (YC W24)
Kash from TaxGPT.com @ChKashifAli
9K Followers 3K Following Building AI tax assistant for everyone @AskTaxGPT with 💍@IsaMacedaAli. Previously worked for Adobe & WSJ. @Launch LA30 and S24 @ycombinator
Floyd Gorczany @FGorczany96630
17 Followers 2K Following
Sauvignon Bonk 🦅 @yung_chungus
164 Followers 345 Following Gamer, father, husband - In that order. On death row in horny jail. Always wishing the sweet maiden of the golden ale good night.
Milan Savani @milan95
318 Followers 475 Following MD student @UTSWnews. PhD from the McBrayer lab @CRI_UTSW. @PennSAS & @Wharton grad. Views my own; RT ≠ endorsements. He/him.
charlie @chunkbardey
100K Followers 921 Following here for a good time and a long time. ultimately a comedian. is this helping??? i have a podcast called @ExplorationLive
maggie valentine @magglevalentine
1K Followers 523 Following design stuff @vercel | prev @uniswap | views are my own
Max Sturdivant @msturdi
244 Followers 325 Following University of Arkansas | Lonoke Extension Center
Annabelle Williams @annabelle_g_w
905 Followers 1K Following @wsj obits | she/her | taller in person
Charlie Dolgenos @CharlieDolgenos
233 Followers 442 Following Production Coordinator, @apple. Former @LASparks and @spurs.
Reggie James @HipCityReg
25K Followers 1K Following finding something new — prev founded eternal (acq)
Maureen @MaurinOneBowl
532 Followers 434 Following Taking Latin in high school IS a personality trait. This is my fight song!
Georgios Konstantopou... @gakonst
144K Followers 2K Following very greek accent. general partner & cto @paradigm. ceo @ithacaxyz. optimist and rustacean 🦀 // team lead of reth, foundry, alloy. join us.
Ricky Sayer @RickyReports
5K Followers 3K Following News Reporter @KDKA in Pittsburgh | Working to inform, build community | Alum: @LEX18News @SyracuseU '21 @CitrusTVNews | Formerly the youngest person around
Scott Alexander @slatestarcodex
156K Followers 36 Following I have a place where I say complicated things about philosophy and science. That place is my blog. This is where I make terrible puns.
𝔊𝔴𝔢𝔯𝔫 @gwern
64K Followers 106 Following Internet besserwisser; pedantic, mean reply guy. 𝘞𝘢𝘵𝘢𝘴𝘩𝘪 𝘬𝘪𝘯𝘪𝘯𝘢𝘳𝘪𝘮𝘢𝘴𝘶! (Follow requests ignored due to terrible UI.)
Charles 🎉 Frye @charles_irl
15K Followers 3K Following gpu enjoyer at @modal. he/him. ex @full_stack_dl, @weights_biases (acq. @CoreWeave), phd Berkeley @Redwood_Neuro. try https://t.co/SYWVMCazZ3
Richard Tibbetts @tibbetts
2K Followers 2K Following Product managing AI at Tableau/Salesforce. 3x founder, StreamBase, SellerCrowd, Empirical. @[email protected]
Hanna Yukhymenko @a_yukh
514 Followers 363 Following agent 007 lr @huggingface 🤗| statistics msc @eth | making EEU languages strong @the_sri_lab @insaitinstitute | prev @kpiuaofficial @fractalai @projectlve
Peter Kazanjy @Kazanjy
24K Followers 5K Following Tweeting Founder Led Sales & SaaS. Author @foundingsales. Founder @atriumhq, @founderledsales, @modernsalespros, @talentbinhiring (acquired). B2B Angel.
Karol K @KarolCodes
718 Followers 1K Following 💻 https://t.co/XTlryxaI9f - improve your posture while working
amy @amypretzel
4K Followers 1K Following i ♡ 3D, manufacturing, design | cofounder @ https://t.co/99U6P5QgNW | product design & meche @stanford | ex-@apple product design engineer
Sommer Panage @Sommer
21K Followers 647 Following 💻 macOS @ Apple | #Accessibility always 🎪 Aerial artist and coach 💜 Peanut butter & roller coaster connoisseur 🎶 Flute tooter
Arsalan Bashir @arsalanbashir
3K Followers 2K Following ML, data, chess, and martial arts, @livedocshq, move 37 fanboi
Jeremy Howard @jeremyphoward
261K Followers 6K Following 🇦🇺 Co-founder: @AnswerDotAI & @FastDotAI ; Prev: professor @ UQ; Stanford fellow; @kaggle president; @fastmail/@enlitic/etc founder https://t.co/16UBFTX7mo
Bryan Bischof fka Dr.... @BEBischof
5K Followers 3K Following Leading AI @theoryvc; Teach ML @rutgersu. Prev: Led AI @_hex_tech; Led Data @weights_biases, ML @stitchfix, Led Data @bluebottleroast
Sasank Desaraju @DesarajuSasank
113 Followers 538 Following MD/PhD Candidate at University of Florida 🐊 AI/ML, Biomedical Engineering, Physics, Math.
Marc Bouchenoire @marcbouchenoire
2K Followers 610 Following Design Engineer at @liveblocks, previously at @framer ~ he/they ~ 🌱🌸
METR @METR_Evals
12K Followers 29 Following An AI research non-profit advancing the science of empirically testing AI systems for capabilities that could threaten catastrophic harm to society.
Peter Sellis @petersellis
3K Followers 923 Following personality hire @Discord; @Snap and @ScienceInc before that.
Karri Saarinen @karrisaarinen
65K Followers 1K Following ceo of @linear | previously: design at @airbnb, @coinbase. yc alumn (s12). 🇫🇮🇺🇸
𝚑𝚎𝚗𝚔 𝚟... @henkvaness
56K Followers 9K Following Cutting through #AI for sharper investigations. Workshops worldwide. Trusted by Pulitzer winners, law makers and NGOs. My mission: find a story in public data.
Kath Korevec @simpsoka
15K Followers 585 Following Director of Product at Google Labs. Code AI. Dive in ➡ @googlelabs, @stitchbygoogle, and @julesagent Previously @vercel, @github and @heroku
Anthropic @AnthropicAI
645K Followers 35 Following We're an AI safety and research company that builds reliable, interpretable, and steerable AI systems. Talk to our AI assistant @claudeai on https://t.co/FhDI3KQh0n.
Konstantin Taletskiy @starlite_cr
1 Followers 8 Following
Aaron Tan @aaronistan
5K Followers 724 Following Building ambient robots @SyncereAI | Prev. @Stanford @UofT PhD
Theo - t3.gg @theo
246K Followers 4K Following Full time CEO @t3dotchat. Part time YouTuber, investor, and developer
The Pragmatic Enginee... @Pragmatic_Eng
39K Followers 3 Following Big Tech and startups, from the inside. The #1 technology newsletter on Substack. Sign up at https://t.co/MPNdQSVnwV. Podcast: https://t.co/nVOulBGYoh
Saoud Rizwan @sdrzn
15K Followers 78 Following Founder/CEO @cline Join the discord: https://t.co/rQxzlf8JQN
pash @pashmerepat
10K Followers 480 Following currently head of ai @cline | prev @meta knowledge graph | creator of vault // @usc alum
Maxim Ziatdinov @MaximZiatdinov
2K Followers 2K Following I use artificial intelligence to boldly go where no human has gone before in experimental sciences. Opinions are my own, but please don’t hold them against me.
Joe Cole - e/acc @joecole
14K Followers 15K Following Human potential x software x AI. Science maximalist. e/acc x h/acc. Prev founded SaaS for pro sport & olympians.
Arthur MacWaters @ArthurMacwaters
24K Followers 997 Following co-founder of @legionhealth (backed by YC) | Building for 1000yrs of American flourishing 🇺🇸 | prev @princeton ‘18, @mckinsey
Luke Harries @LukeHarries_
11K Followers 5K Following Leading growth at @elevenlabsio. Previously: product at PostHog, co-founder at Fella Health (backed by YC), ml engineer at Microsoft
Dimitri Dadiomov @dadiomov
14K Followers 4K Following Cofounder & President of @ModernTreasury (YC S18). Views are my own. Some are not even views. Some are just tweets. https://t.co/miBKt3jepk
Den @bmykhaylivvv
2K Followers 78 Following 🟣 building one-click X replies/DMs tool (https://t.co/IZBNmWD1hV) swe @ https://t.co/6okUW9ztyo (YC S23) • ex-swe @ https://t.co/4Wbd50FkkM (YC W19)
Sergey Yudovskiy @yudovskiy
864 Followers 85 Following Everything is a product, and The whole life is a pipeline. Founder @WrkdnAI (YC X25), @ElectroNeek (YC W20). Russian-Texan 🇷🇺🤠
Dave Rogenmoser ⛳�... @DaveRogenmoser
18K Followers 1K Following Founder and Chairman of https://t.co/xWb1guIrOP. YC. Husband. Father of 4. 🏌🏿♂️ Psalm 71
Miha @MihaPopsy
3K Followers 307 Following YC W18 + YC S22 alumni • Building Popsy AI - AI tool that finds you leads on Reddit and sends them hyper personalized DMs. 👉 https://t.co/Vobns5EDBs
mark erdmann @markerdmann
1K Followers 2K Following co-founder @ pulley. building the #1 equity management platform. trusted by top startups, backed by founder's fund, stripe, and yc. two-time yc reject.
Adam Alpert (YC W21) @The_Pangean
551 Followers 979 Following CEO/Co-Founder @ https://t.co/osAmQpSYU2 (YC W21) // Founding Member of the NYC Founders Club // Organizer of https://t.co/ty24ihUcfy
Katelyn Gleason @katgleason
32K Followers 974 Following founder and ceo @ eligible, yc s12. early at drc (yc w11, acquired)
Akshay Budhkar @BudhkarAkshay
277 Followers 341 Following Building @Spine_AI (YC S23). Chat is broken. We built the infinite canvas. Stop prompting, start thinking. Prev @ Georgian, FarmLogs (YC W12), Scribd (YC S06).