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OpenAI reports its internal general-purpose reasoning model found new point configurations for the Erdős planar unit distance problem that outperform prior square-grid optima

Sebastien BubeckSB#51|@SEBASTIENBUBECK
Christian SzegedyCS#43|@CHRSZEGEDY
Eric JangEJ#36|@ERICJANG11
Noam BrownNB#31|@POLYNOAMIAL
Nando de FreitasND#29|@NANDODF
Greg BrockmanGB#19|@GDB
+41 more
#1 VIEWED

DeepSeek makes its 75% discount on the DeepSeek-V4-Pro API permanent, keeping rates at one-quarter of prior levels for input and output tokens beyond the prior May 31, 2026 cutoff.

Chubby♨️CH#1496|@KIMMONISMUS
Lisan al GaibLA#980|@SCALING01
elvisEL#475|@OMARSAR0
Yuchen JinYJ#427|@YUCHENJ_UW
Teortaxes▶️ (DeepSeek 推特🐋铁粉 2023 – ∞)T(#420|@TEORTAXESTEX
Delip Rao e/σDR#103|@DELIPRAO
+2 more
RISING LIKES
199

Gemini Omni performed native video edits on the 1896 Lumiere film of a steam train, converting it into versions with a bullet train, LEGO styling, Muppets, and a time traveler while preserving reflections.

Nataniel RuizNR#1562|@NATANIELRUIZG
Ethan MollickEM#175|@EMOLLICK
FASTEST CLIMBING

Trump administration closes loophole that allowed O-1 visa holders including advanced researchers at OpenAI to remain in the US during green card applications

Reid HoffmanRH#373|@REIDHOFFMAN
roonRO#59|@TSZZL

Top Stories

Posts:—|Clusters:—|Next Crawl:—
10

DeepSeek makes its 75% discount on the DeepSeek-V4-Pro API permanent, keeping rates at one-quarter of prior levels for input and output tokens beyond the prior May 31, 2026 cutoff. — The 1.6-trillion-parameter model offers 1M-token context and fixed per-million pricing.

4h|#1VIEWS679.3k#1LIKED9k#1BOOKMARKED1.5k#1COMMENTS1.1k
Deli ChenDC#1523|@VICTOR207755822
ZephyrZE#1497|@ZEPHYR_Z9
Chubby♨️CH#1496|@KIMMONISMUS
Lisan al GaibLA#980|@SCALING01
elvisEL#475|@OMARSAR0
Yuchen JinYJ#427|@YUCHENJ_UW
Teortaxes▶️ (DeepSeek 推特🐋铁粉 2023 – ∞)T(#420|@TEORTAXESTEX
Delip Rao e/σDR#103|@DELIPRAO
20

Polsia, which operates businesses autonomously through AI, raised $30 million at a $250 million valuation while running with zero employees besides founder Ben Cera — Platform nears $10 million annual run rate with over 7600 users.

2h|326.9k1.9k1.4k
Chubby♨️CH#1496|@KIMMONISMUS
Robert ScobleRS#321|@SCOBLEIZER
Justin MezzellJM1
30

MIT CSAIL PhD student Ryan Bahlous-Boldi introduces Vector Policy Optimization, a reinforcement learning method that maximizes vector-valued rewards to preserve distinct objectives in LLM post-training — VPO raises pass@k scores on LiveCodeBench over GRPO baselines.

2h|36.3k369310
Laura RuisLR#802|@LAURARUIS
Han GuoHG#740|@HANGUO97
Omar KhattabOK#160|@LATEINTERACTION
40

Reiner Pope builds a multiply-accumulate unit from logic gates and covers systolic arrays, FPGAs, ASICs, and brain architecture in a timestamped blackboard lecture — Dwarkesh Patel shared the lecture spanning 0:00:00 to 1:11:49.

1h|69.1k1.3k1.3k
Lisan al GaibLA#980|@SCALING01
Dwarkesh PatelDP#70|@DWARKESH_SP
50

OpenAI maintains a GitHub repository at openai/skills that supplies extensions for its Codex coding tool and enables automatic capability detection from targeted prompts — Jason Liu on the Codex team outlined the installation process.

4h|35.9k663590
Nick DobosND#1894|@NICKADOBOS
jasonJA#929|@JXNLCO
New github stars (48hrs)
st3v3nmw/obsidian-spaced-repetition2.4k11h

Schedules spaced-repetition reviews for flashcards and notes inside Obsidian.

Jiayi PanJP681
Erin GrantEG484
aisa-group/InferenceBench161d

Evaluates autonomous AI agents optimizing LLM serving like vLLM in open-ended scenarios with quality and integrity gates.

Rulin ShaoRS1224
Maksym AndriushchenkoMA1066
60

KVCache.ai launches open-source web-based KV Cache Size Calculator for models including DeepSeek V4 Flash, Qwen3, GLM, Kimi, and MiniMax — DeepSeek V4 Flash at 1M tokens needs 2.893 GiB total cache.

10h|117.9k524185
ZephyrZE#1497|@ZEPHYR_Z9
Teortaxes▶️ (DeepSeek 推特🐋铁粉 2023 – ∞)T(#420|@TEORTAXESTEX
Matt RiceMR1
71

GPT-5.5 achieves 99.46 percent accuracy on multi-digit multiplication across a 20-by-20 grid of problems with up to 20 digits per number — Medium reasoning effort produced near-complete heatmap coverage versus low accuracy without it.

5h|87.7k565179
Raphaël MillièreRM#1038|@RAPHAELMILLIERE
Yuntian DengYD#314|@YUNTIANDENG
81

Gergely Neu, an ML researcher at ICREA and Universitat Pompeu Fabra, introduces Value-Driven Transport, a generative modeling framework that integrates optimal control, reinforcement learning, optimal transport, and stochastic primal-dual optimization — Framework evolves samples across five stages via learned value functions.

7h|13k294230
Patrick ShaftoPS#1426|@PATRICKSHAFTO
Gergely NeuGN#602|@NEU_RIPS
90

DeepSeek raises its targeted funding round to $10 billion from an earlier $7 billion goal as founder Liang Wenfeng says the company will keep AI models open-sourced while pursuing AGI without short-term commercialization — Investor interest remains strong despite longer path to revenue.

5h|46.8k19212
ZephyrZE#1497|@ZEPHYR_Z9
Rohan PaulRP#1032|@ROHANPAUL_AI
Teortaxes▶️ (DeepSeek 推特🐋铁粉 2023 – ∞)T(#420|@TEORTAXESTEX
100

OpenAI's Jason Liu requests feedback from Codex desktop app users on missing features and will compile responses for the internal team — Andrew Mayne suggests adding browser audio input and microphone support.

4h|38k34652
Andrew MayneAM#1487|@ANDREWMAYNE
jasonJA#929|@JXNLCO
112

A study tracing persona vectors in large language models finds that post-training amplifies existing pretraining representations rather than creating new ones, with vectors emerging after 0.22% of tokens in OLMo-3 and Apertus — Assistant-like personas form early in pretraining and persist across checkpoints.

59m|3.8k4518
Jiaxin WenJW#1460|@JIAXINWEN22
Dylan HadfieldMenellDH#353|@DHADFIELDMENELL
Andrew Carr 🤸AC#263|@ANDREW_N_CARR
121

Susan Zhang highlights shortage of professional mathematicians in public AI discussions on X, noting combinatorial geometrists are rarer still — Yoav replied that AI math prioritizes inventing concepts over proving theorems.

4h|13.5k32646
(((ل()(ل() 'yoav))))👾('#92|@YOAVGO
Susan ZhangSZ#58|@SUCHENZANG
131

François Fleuret, Meta FAIR research scientist and University of Geneva professor, argues that pure AI systems outperform any human-AI collaboration on sophisticated reasoning tasks — Yaroslav Bulatov replied citing comparative advantage under finite AI energy limits.

8h|19.6k11030
Yaroslav BulatovYB#522|@YAROSLAVVB
François FleuretFF#331|@FRANCOISFLEURET
140

Garry Tan, president and CEO of Y Combinator, reports one-month growth for his AI memory tool GBrain with indexed pages rising from 17,888 to 146,646 and cron jobs increasing from 21 to 66 — Nick Dobos highlights the 66 cron jobs as a maximalist scaling approach.

1h|11.5k19482
Nick DobosND#1894|@NICKADOBOS
Garry TanGT#270|@GARRYTAN
156

Hermes Agent Adds Bitwarden Secrets Manager for Key Management

16m|6.5k16266
Alex VolkovAV#1245|@ALTRYNE
Teknium 🪽T🪽#259|@TEKNIUM
164

Researcher Highlights Challenges for AI Agents in Subjective Qualitative Analysis

54m|5.3k6544
Hamel HusainHH#1277|@HAMELHUSAIN
Shreya ShankarSS#407|@SH_REYA
172

Marc Andreessen claims artificial general intelligence was achieved three months ago in a statement referenced on Polymarket that prompted debate over AGI definitions and progress at labs including Anthropic — Anthropic's internal Mythos project was cited as coding AGI without meeting full criteria.

2h|41.2k41230
Chubby♨️CH#1496|@KIMMONISMUS
Lisan al GaibLA#980|@SCALING01
1810

Gemini Omni performed native video edits on the 1896 Lumiere film of a steam train, converting it into versions with a bullet train, LEGO styling, Muppets, and a time traveler while preserving reflections. — Wharton associate professor Ethan Mollick shared the 56-second example.

32m|7.5k19947
RISING LIKES199
Nataniel RuizNR#1562|@NATANIELRUIZG
Ethan MollickEM#175|@EMOLLICK
1915

Trump administration closes loophole that allowed O-1 visa holders including advanced researchers at OpenAI to remain in the US during green card applications — Applicants must now pursue consular processing abroad with years-long waits.

35m|31.4k24722
FASTEST CLIMBING+15
Reid HoffmanRH#373|@REIDHOFFMAN
roonRO#59|@TSZZL
203

Arthur Gretton posts an analysis questioning whether drifting models serve as fixed points for the Wasserstein gradient flow on KL divergence or qualify as such flows at all — The post examines the Generative Modeling via Drifting framework from Deng et al.

2h|4.1k13181
yingzhenYI#1758|@LIYZHEN2
Arthur GrettonAG#414|@ARTHURGRETTON

Rising Stories

  1. Model Demos32M AGO
    Gemini Omni edits 1896 train film into bullet train, LEGO, and Muppets versions
    Nataniel RuizNR#1562|@NATANIELRUIZG
    Ethan MollickEM#175|@EMOLLICK
    1415.4k
  2. Research Trends1H AGO
    arXiv paper maps 'alien space' of overlooked LLM research ideas
    Anirudh GoyalAG#901|@ANIRUDHG9119
    CLSCL#442|@CHENGLEISI
    354.2k
  3. Model Releases2H AGO
    Composer 2.5 claimed as world's best coding model
    Matthew BermanMB#1759|@MATTHEWBERMAN
    🍓🍓🍓🍓🍓#1711|@IRULETHEWORLDMO
    31411.6k
  4. Industry Moves46M AGO
    Thomas Dimson departs OpenAI after 1,000 days
    Brydon EastmanBE#1250|@BRHYDON
    will depueWD#254|@WILLDEPUE
    7816.5k
  5. Policy Impact35M AGO
    Trump admin closes O-1 visa loophole for AI researchers
    Reid HoffmanRH#373|@REIDHOFFMAN
    roonRO#59|@TSZZL
    17221k

Github Stars

(7 days)
  1. …ian-spaced-repetition11H AGO AGO

    Schedules spaced-repetition reviews for flashcards and notes inside Obsidian.

    Jiayi PanJP681
    Erin GrantEG484
    2.4k stars
  2. …-group/InferenceBench1D AGO AGO

    Evaluates autonomous AI agents optimizing LLM serving like vLLM in open-ended scenarios with quality and integrity gates.

    Rulin ShaoRS1224
    Maksym AndriushchenkoMA1066
    16 stars
  3. manaflow-ai/cmux2D AGO AGO

    Integrates Ghostty into a macOS terminal with vertical tabs, sidebar metadata, OSC notifications, and in-app browser for AI coding agents.

    Jack MorrisJM203
    will brownWB339
    17.6k stars
  4. sapientinc/HRM-Text3D AGO AGO

    Pretrains 1B HRM text models with hierarchical reasoning, task completion, and low-compute PrefixLM training.

    TaelinTA1047
    Vincent WeisserVW707
    565 stars
  5. earendil-works/pi3D AGO AGO

    Provides AI agent toolkit with coding CLI, unified LLM API, TUI/web UI libs and Slack bot support.

    sarah guoSG219
    Tri DaoTD84
    52.9k stars
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Yesterday's Top Stories, May 21, 2026.

Posts: 3,852|Clusters: 1,083|Stories frozen at midnight PT
10

OpenAI reports its internal general-purpose reasoning model found new point configurations for the Erdős planar unit distance problem that outperform prior square-grid optima — Lijie Chen, recently from UC Berkeley, contributed during exploratory testing.

1d|3.5M20.5k4.5k
Daniel Eth (yes, Eth is my actual last name)DE#1943|@DANIEL_271828
Vaibhav (VB) SrivastavV(#1853|@REACH_VB
Luca AmbrogioniLA#1822|@LUCAAMB
Super DarioSD#1776|@INDUCTIONHEADS
Konstantin MishchenkoKM#1644|@KONSTMISH
Bindu ReddyBR#1622|@BINDUREDDY
Jason WolfeJW#1609|@W01FE
Michiel BakkerMB#1555|@BAKKERMICHIEL
gavin leech (Non-Reasoning)GL#1480|@GLEECH
Zhihong ShaoZS#1425|@ZHS05232838
Aran NayebiAN#1409|@ARAN_NAYEBI
bilalBI#1402|@BILALTWOVEC
Alex VolkovAV#1245|@ALTRYNE
Rob WiblinRW#1115|@ROBERTWIBLIN
TaelinTA#1047|@VICTORTAELIN
Lukas BiewaldLB#1044|@L2K
Rohan PaulRP#1032|@ROHANPAUL_AI
DanielDA#927|@GROWING_DANIEL
Alexander DoriaAD#867|@DORIALEXANDER
Beff (e/acc)B(#839|@BEFFJEZOS
You JiachengYJ#826|@YOUJIACHENG
LishaLI#761|@LISHALI88
Chris PaxtonCP#732|@CHRIS_J_PAXTON
elieEL#716|@ELIEBAKOUCH
Pasquale MinerviniPM#713|@PMINERVINI
Bojan TunguzBT#687|@TUNGUZ
Yo ShavitYS#638|@YONASHAV
Chenhao TanCT#570|@CHENHAOTAN
kacheKA#488|@YACINEMTB
Sang Michael XieSM#487|@SANGMICHAELXIE
davidad 🎇D🎇#458|@DAVIDAD
Teortaxes▶️ (DeepSeek 推特🐋铁粉 2023 – ∞)T(#420|@TEORTAXESTEX
Yu BaiYB#406|@YUBAI01
will depueWD#254|@WILLDEPUE
Andreas Kirsch 🇺🇦AK#228|@BLACKHC
Dimitris PapailiopoulosDP#197|@DIMITRISPAPAIL
EmadEM#167|@EMOSTAQUE
Taco CohenTC#120|@TACOCOHEN
Delip Rao e/σDR#103|@DELIPRAO
(((ل()(ل() 'yoav))))👾('#92|@YOAVGO
Mark ChenMC#71|@MARKCHEN90
Sebastien BubeckSB#51|@SEBASTIENBUBECK
Christian SzegedyCS#43|@CHRSZEGEDY
Eric JangEJ#36|@ERICJANG11
Noam BrownNB#31|@POLYNOAMIAL
Nando de FreitasND#29|@NANDODF
Greg BrockmanGB#19|@GDB
Sheing NgSNJustin MezzellJM3
20

OpenAI solved the unit distance problem in mathematics, prompting discussion on whether the work used informal chain-of-thought reasoning or neurosymbolic tools such as Lean — Attention now turns to AI progress in social science domains.

4d|191.6k3k243
Luca AmbrogioniLA#1822|@LUCAAMB
Samuel Hammond 🦉SH#1488|@HAMANDCHEESE
Shubhendu TrivediST#1446|@_ONIONESQUE
PrakashPR#1332|@8TEAPI
Lisan al GaibLA#980|@SCALING01
Beff (e/acc)B(#839|@BEFFJEZOS
Adrien EcoffetAE#719|@ADRIENLE
Bojan TunguzBT#687|@TUNGUZ
Joscha BachJB#671|@PLINZ
Ravid Shwartz ZivRS#612|@ZIV_RAVID
Simo RyuSR#604|@CLONEOFSIMO
Dileep GeorgeDG#590|@DILEEPLEARNING
Zachary NadoZN#537|@ZACHARYNADO
Andrew CurranAC#517|@ANDREWCURRAN_
Leo GaoLG#290|@NABLA_THETA
Gary MarcusGM#153|@GARYMARCUS
Jakob FoersterJF#139|@J_FOERST
Delip Rao e/σDR#103|@DELIPRAO
(((ل()(ل() 'yoav))))👾('#92|@YOAVGO
roonRO#59|@TSZZL
Christian SzegedyCS#43|@CHRSZEGEDY
Noam BrownNB#31|@POLYNOAMIAL
Miles BrundageMB#20|@MILES_BRUNDAGE
30

Modal raises $355 million in Series C funding at a $4.65 billion valuation led by General Catalyst and Redpoint after crossing $200 million in annual recurring revenue — Its platform powers AI training, inference, and sandbox workloads for Anthropic, Meta, and others.

1d|901.3k2.8k423
alex peysakhovichAP#1703|@ALEX_PEYS
Josh WolfeJW#1539|@WOLFEJOSH
Phil ChenPC#1468|@PHILHCHEN
Ben HamnerBH#1398|@BENHAMNER
Jay HackJH#1281|@MATHEMAGIC1AN
Hamel HusainHH#1277|@HAMELHUSAIN
Yash PatilYP#1252|@YPATIL125
Greg KamradtGK#1182|@GREGKAMRADT
Lukas BiewaldLB#1044|@L2K
Ben (no treats)B(#982|@ANDERSONBCDEFG
Charles 🎉 Frye @ MLSysC🎉#863|@CHARLES_IRL
Erik BernhardssonEB#746|@BERNHARDSSON
Sarah CatanzaroSC#733|@SARAHCAT21
Jerry LiuJL#677|@JERRYJLIU0
Chenhao TanCT#570|@CHENHAOTAN
DeedyDE#374|@DEEDYDAS
👩‍💻 Paige Bailey👩‍💻P#271|@DYNAMICWEBPAIGE
swyxSW#214|@SWYX
clem 🤗C🤗#68|@CLEMENTDELANGUE
Sasha RushSR#23|@SRUSH_NLP
40

Microsoft ends internal use of Anthropic's Claude coding tool after token-based billing costs prove unsustainable despite its resources — Uber CTO reports exhausting full 2026 AI budget in four months.

12h|4.7M16.2k#1BOOKMARKED8.9k
Daniel JeffriesDJ#1988|@DAN_JEFFRIES1
Alex ImasAI#1777|@ALEXOLEGIMAS
Zvi MowshowitzZM#918|@THEZVI
Bojan TunguzBT#687|@TUNGUZ
Subbarao Kambhampati (కంభంపాటి సుబ్బారావు)SK#657|@RAO2Z
Aaron LevieAL#562|@LEVIE
Yaroslav BulatovYB#522|@YAROSLAVVB
Gary MarcusGM#153|@GARYMARCUS
Thomas WolfTW#17|@THOM_WOLF
Sheing NgSN1
50

Alibaba's Qwen team releases Qwen3.7-Max, its closed-weights flagship model for agent workflows that completes long-horizon tasks like 35-hour kernel optimizations with over 1,000 tool calls — Scored 56.6 on Artificial Analysis Intelligence Index after 4.8-point gain.

21h|853.3k7k1.3k
Chujie ZhengCZ#1946|@CHUJIEZHENG
Super DarioSD#1776|@INDUCTIONHEADS
ZephyrZE#1497|@ZEPHYR_Z9
Chubby♨️CH#1496|@KIMMONISMUS
Florian BrandFB#1153|@XEOPHON
Rohan PaulRP#1032|@ROHANPAUL_AI
Lisan al GaibLA#980|@SCALING01
Andrew CurranAC#517|@ANDREWCURRAN_
Teortaxes▶️ (DeepSeek 推特🐋铁粉 2023 – ∞)T(#420|@TEORTAXESTEX
Teknium 🪽T🪽#259|@TEKNIUM
Jeremy HowardJH#40|@JEREMYPHOWARD
Kevin RoseKR1
60

Cursor releases Composer 2.5 coding agent scoring 62 on the Artificial Analysis index while posting 10 to 60 times lower costs than Claude Opus 4.7 and GPT-5.5 — Internal test routed all company chats to the model for two days.

3d|7.1M19.6k2.1k
eric zakariassonEZ#1965|@ERICZAKARIASSON
🍓🍓🍓🍓🍓#1711|@IRULETHEWORLDMO
Chubby♨️CH#1496|@KIMMONISMUS
Lewis TunstallLT#950|@_LEWTUN
Beff (e/acc)B(#839|@BEFFJEZOS
elieEL#716|@ELIEBAKOUCH
Rishabh AgarwalRA#196|@AGARWL_
Elon MuskEM#76|@ELONMUSK
Kevin RoseKRSheing NgSN3
70

Sam Altman, OpenAI co-founder and CEO, asks what problem people most hope AI will solve in the future — Replies suggest curing diseases and automating research.

6h|1.5M9.6k1.1k
Matthew BermanMB#1759|@MATTHEWBERMAN
Chubby♨️CH#1496|@KIMMONISMUS
Neil ChowdhuryNC#1319|@CHOWDHURYNEIL
Shital ShahSS#1073|@SYTELUS
TaelinTA#1047|@VICTORTAELIN
Beff (e/acc)B(#839|@BEFFJEZOS
Jimmy Apples 🍎/accJA#837|@APPLES_JIMMY
kacheKA#488|@YACINEMTB
Tanishq Mathew Abraham, Ph.D.TM#359|@ISCIENCELUVR
Sam AltmanSA#8|@SAMA
Sheing NgSN1
80

Turbopuffer reached a $100 million annual run rate in March, 19 months after hitting the $1 million mark, while remaining profitable on less than $1 million in total funding — Its object storage database first powered Cursor and now serves Anthropic and Notion.

16h|1.5M6.2k1.7k
ben hylakBH#1941|@BENHYLAK
Sarah WangSW#1814|@SARAHDINGWANG
Lachy GroomLG#1030|@LACHYGROOM
Cody BlakeneyCB#999|@CODE_STAR
jasonJA#929|@JXNLCO
Erik BernhardssonEB#746|@BERNHARDSSON
kacheKA#488|@YACINEMTB
Kevin RoseKR1
90

Stanford researchers release paper 'A Bitter Lesson for Data Filtering' showing large models improve without data filtering in high-compute data-scarce regimes — Work targets abundant compute and limited data pretraining scenarios.

14h|148k1.2k765
Anshul KundajeAK#1675|@ANSHULKUNDAJE
Jiaxin WenJW#1460|@JIAXINWEN22
Zihan "Zenus" WangZ"#1381|@WZENUS
Ashwinee PandaAP#1365|@PANDAASHWINEE
Shital ShahSS#1073|@SYTELUS
CLSCL#442|@CHENGLEISI
Xiao MaXM#437|@INFOXIAO
Xin Eric Wang (hiring postdoc)XE#417|@XWANG_LK
Tatsunori HashimotoTH#231|@TATSU_HASHIMOTO
Michael BronsteinMB#199|@MMBRONSTEIN
Saining XieSX#158|@SAININGXIE
Lucas Beyer (bl16)LB#55|@GIFFMANA
Kevin RoseKR1
100

Dan Shipper of Every says the company automated nearly all routine tasks with AI agents while expanding from 4 to 30 employees since GPT-3 — AI lowers expert output costs as demand for skilled humans rises

13h|784.8k1.6k2.5k
Daniel JeffriesDJ#1988|@DAN_JEFFRIES1
Matthew BermanMB#1759|@MATTHEWBERMAN
Dan Shipper 📧DS#1410|@DANSHIPPER
Lenny RachitskyLR#1176|@LENNYSAN
Sheing NgSN1
110

ClickUp announces 22% workforce reduction to restructure around a 100x AI-driven organization with AI-centric workflows — CEO DJ Curfew says the business has never been stronger.

12h|974.3k2.4k1.2k
Nick DobosND#1894|@NICKADOBOS
Amir-massoud FarahmandAF#1429|@SOLOGEN
Jay HackJH#1281|@MATHEMAGIC1AN
Lenny RachitskyLR#1176|@LENNYSAN
@jason@J#1061|@JASON
Bojan TunguzBT#687|@TUNGUZ
Ravid Shwartz ZivRS#612|@ZIV_RAVID
Jeremy HowardJH#40|@JEREMYPHOWARD
120

Gemini 3.5 Flash records a leading 47.1% score on the APEX-Agents AA leaderboard and outperforms GPT-5.5 by nearly 10 points on Artificial Analysis benchmarks — It runs 4x faster than Gemini 3.1 Pro but costs twice as much.

3d|499.5k2.8k258
Brendan (can/do)B(#1990|@BRENDANFOODY
Nataniel RuizNR#1562|@NATANIELRUIZG
Florian BrandFB#1153|@XEOPHON
Mike KnoopMK#1139|@MIKEKNOOP
Lisan al GaibLA#980|@SCALING01
Bojan TunguzBT#687|@TUNGUZ
Swaroop MishraSM#530|@SWAROOPRM7
Logan KilpatrickLK#90|@OFFICIALLOGANK
Lucas Beyer (bl16)LB#55|@GIFFMANA
Koncep.toKOMatt RiceMR4
130

Cursor, the AI code editor from Anysphere, doubles usage limits for the next month for new users invited onto its Teams plan — CEO Michael Truell announced the offer on X alongside new feature references.

14h|#1VIEWS97.2M#1LIKED23.7k1.2k
Ryo LuRL#1733|@RYOLU_
@jason@J#1061|@JASON
Michael TruellMT#506|@MNTRUELL
Elon MuskEM#76|@ELONMUSK
Kevin RoseKRSheing NgSN2
140

GoodfireAI shares research showing sparse autoencoders tile and shatter curved neural manifolds in large models rather than linear directions, recasting unsupervised discovery as an inverse Ising problem — Visualizations map features across a manifold spanning 1800 to 1998.

15h|136.9k1.4k796
Ekdeep Singh LubanaES#1789|@EKDEEPL
Tom McGrathTM#1626|@BANBURISMUS_
Charles FosterCF#1356|@CFGEEK
Mor GevaMG#1329|@MEGAMOR2
Kosta Derpanis (sabbatical in Zurich)KD#908|@CSPROFKGD
150

Codex releases Appshots for its Mac app, letting users press Command-Command to capture screenshots and text from open windows including off-screen content and attach them to the active thread — Codex Thursday no. 6 update also adds goal command and remote use while locked.

12h|535k4k686
Chubby♨️CH#1496|@KIMMONISMUS
Sherwin WuSW#801|@SHERWINWU
Lukasz KaiserLK#627|@LUKASZKAISER
Greg BrockmanGB#19|@GDB
Sam AltmanSA#8|@SAMA
160

ChatGPT adds a direct integration with Microsoft PowerPoint through a new app that lets users generate slides, query deck content, and apply edits without leaving the application — Built by developer Ryan Brewer at chatgpt.com/apps/powerpoint.

12h|415.6k3.8k981
Nick TurleyNT#1004|@NICKATURLEY
Amin KarbasiAK#970|@AMINKARBASI
Boris PowerBP#357|@BORISMPOWER
Greg BrockmanGB#19|@GDB
170

OpenAI enabled a locked use feature for Codex that permits the system to control Mac applications from a connected phone even when the device is locked and the screen is off — It requires an Apple authorization plug-in for macOS sessions.

11h|1.1M7.5k2k
jasonJA#929|@JXNLCO
TiboTI#768|@THSOTTIAUX
180

Hark raises over $700 million in Series A funding at a $6 billion post-money valuation to scale its AI foundation models and custom hardware — Round led by Parkway Venture Capital with NVIDIA and AMD participating

16h|500k2.4k614
Beff (e/acc)B(#839|@BEFFJEZOS
Brett AdcockBA#688|@ADCOCK_BRETT
Guillermo RauchGR#682|@RAUCHG
Robert ScobleRS#321|@SCOBLEIZER
190

Antigravity tripled the rate limits for Gemini models across all paid tiers and reset weekly Gemini quotas for users — Update covers every subscription level including 3.5 Flash.

1d|732.1k5.9k371
Theo - t3.ggT-#1829|@THEO
Tulsee DoshiTD#1659|@TULSEEDOSHI
Varun MohanVM#1144|@_MOHANSOLO
👩‍💻 Paige Bailey👩‍💻P#271|@DYNAMICWEBPAIGE
Sundar PichaiSP#110|@SUNDARPICHAI
Logan KilpatrickLK#90|@OFFICIALLOGANK
200

President Trump postponed signing an executive order on AI and cybersecurity that would require leading labs to share advanced models with the government — Axios reported the delay amid internal administration disagreements.

2d|134.6k1.3k80
Markus AnderljungMA#1937|@MANDERLJUNG
Austen AllredAA#1540|@AUSTEN
Samuel Hammond 🦉SH#1488|@HAMANDCHEESE
Rohan PaulRP#1032|@ROHANPAUL_AI
Zvi MowshowitzZM#918|@THEZVI
Divyansh KaushikDK#847|@DKAUSHIK96
Beff (e/acc)B(#839|@BEFFJEZOS
Andrew CurranAC#517|@ANDREWCURRAN_
Miles BrundageMB#20|@MILES_BRUNDAGE
210

Figure AI runs a 200-hour livestreamed warehouse demo of F.03 humanoid robots autonomously sorting 249,560 packages with Helix AI models — Brett Adcock shared initial footage of 30,160 packages handled in 24 hours.

3d|813k6.4k644
Beff (e/acc)B(#839|@BEFFJEZOS
Chris PaxtonCP#732|@CHRIS_J_PAXTON
Brett AdcockBA#688|@ADCOCK_BRETT
220

Pangram Labs analysis flags AI-generated text in three 2026 Commonwealth Short Story Prize regional winners plus the 2025 overall winner and a Granta-published story — Literary foundation and Granta maintain the entries are human-written.

3d|375.8k1.8k318
gavin leech (Non-Reasoning)GL#1480|@GLEECH
Tuhin ChakrabartyTC#1050|@TUHINCHAKR
Herbie BradleyHB#1022|@HERBIEBRADLEY
Jonny DJD1
230

Aleksander Madry, a machine learning researcher at OpenAI and MIT professor on leave, announced his departure after nearly three years heading preparedness and safety efforts — He was reassigned last summer to a role focused on AI reasoning.

12h|130.4k1.2k221
Nataniel RuizNR#1562|@NATANIELRUIZG
Sang Michael XieSM#487|@SANGMICHAELXIE
Kevin Weil 🇺🇸KW#451|@KEVINWEIL
Ananya KumarAK#354|@ANANYAKU
Gautam KamathGK#210|@THEGAUTAMKAMATH
Boaz BarakBB#133|@BOAZBARAKTCS
Aleksander MadryAM#93|@ALEKS_MADRY
Mark ChenMC#71|@MARKCHEN90
Dan RoyDR#56|@ROYDANROY
240

OpenAI President and Co-Founder Greg Brockman states that the model alone is no longer the product as replies highlight required components like post-training control and access layers — Discussions note few venture-backed efforts will survive.

2h|150.8k2.4k201
Hamel HusainHH#1277|@HAMELHUSAIN
TaelinTA#1047|@VICTORTAELIN
Herbie BradleyHB#1022|@HERBIEBRADLEY
Alexander DoriaAD#867|@DORIALEXANDER
Ethan MollickEM#175|@EMOLLICK
Greg BrockmanGB#19|@GDB
250

OpenAI will provide $2 million in tokens to every startup in the current Y Combinator batch in exchange for equity — Sam Altman presented the offer at a Y Combinator event.

2d|599.3k1.8k617
Garry TanGT#270|@GARRYTAN
Paul GrahamPG#78|@PAULG
Greg BrockmanGB#19|@GDB
Jonny DJD1
260

SpaceX is hiring world-class engineers and physicists for its SpaceXAI team and states that no prior artificial intelligence experience is required — Elon Musk directed applications to ai_eng@spacex.com with three bullet points.

1d|2.7M6k733
Shaun MaguireSM#1333|@SHAUNMMAGUIRE
Robert ScobleRS#321|@SCOBLEIZER
270

LeRobot releases LeRobot Humanoid, an open robot-learning platform centered on a bipedal robot assembled for approximately $2,500 using 3D-printed parts and off-the-shelf components — Platform supplies hardware designs, software, and simulation tools for full robot development cycle.

17h|119.2k1.1k574
Chris PaxtonCP#732|@CHRIS_J_PAXTON
clem 🤗C🤗#68|@CLEMENTDELANGUE
Thomas WolfTW#17|@THOM_WOLF
280

CODA reparameterizes memory-bound operations such as norms, RoPE, residuals, and SwiGLU to execute as part of GEMM epilogues in transformer blocks — CuTeDSL implementation reduces kernel launch overhead on GPUs.

8h|116.8k928611
Han GuoHG#740|@HANGUO97
Tri DaoTD#84|@TRI_DAO
290

Grok Build version 0.1.214 rolls out with X search integration and significantly faster web search along with fixes for Windows PowerShell rendering and keybinding errors — Full rollout is planned by end of day.

6h|16.4M11.8k306
Bill Yuchen LinBY#341|@BILLYUCHENLIN
Elon MuskEM#76|@ELONMUSK
Kevin RoseKR1
300

AI Security Institute published a report on May 21, 2026, assessing oversight mechanisms for advanced AI systems against rapid capability gains and identifying degradation pathways. — Report section records disputed advantages of discrete token reasoning.

16h|38.6k283128
Jiaxin WenJW#1460|@JIAXINWEN22
1a3orn1A#1380|@1A3ORN
Tomek KorbakTK#1178|@TOMEKKORBAK
Jasmine WangJW#979|@J_ASMINEWANG
Cas (Stephen Casper)C(#587|@STEPHENLCASPER
Geoffrey IrvingGI#347|@GEOFFREYIRVING
Miles BrundageMB#20|@MILES_BRUNDAGE