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Cognition, creator of Devin, raises $1 billion at a $26 billion valuation with $492 million run-rate

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RK#629|@RUSSELLJKAPLAN

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#1 VIEWED

Anthropic releases Claude Opus 4.8 to improve model honesty and flag programming errors at the same price

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FASTEST CLIMBING

LisanBench data shows Anthropic's Claude Opus 4.8 eliminated "lazy investigation" failures, down from 91% in Opus 4.5

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RISING LIKES

346

Anthropic to release Claude Mythos Preview, a cybersecurity-focused model with Opus-level intelligence, within the coming weeks

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Top Stories

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10

Anthropic releases Claude Opus 4.8 to improve model honesty and flag programming errors at the same priceIt is now the recommended model for Claude Code.

4h|#1VIEWS4.6M#1LIKED50.7k#1BOOKMARKED5.2k#1COMMENTS6.2k

ND#1894|@NICKADOBOS

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MB#1759|@MATTHEWBERMAN

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EL#716|@ELIEBAKOUCH

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20

Elon Musk claims SpaceX's custom C-based AI training framework is 10x faster than JAX on 220,000 GB300 GPUsCritics questioned the JAX benchmark and choice of C.

4h|810.4k6.9k579

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31

Anthropic raises $65 billion at a $965 billion valuation, surpassing OpenAI as the most valuable AI startupThe round comes as Anthropic's ARR hits $47 billion

56m|443.1k7.2k639

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41

Robin Hanson argues current AI models show little indication of suffering despite debates over machine consciousnessMillions of Claude instances are generated and terminated daily.

4h|62.3k713149

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53

Claude Code launches dynamic workflows in research preview to deploy parallel subagent fleets for complex tasksParallel execution can significantly increase token consumption

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60

Claude Opus 4.8 launches, scoring 69.2% on SWE-bench Pro to outperform GPT-5.5 and Gemini 3.1 ProIt introduces a "Dynamic Workflows" preview for parallel subagents.

3h|208.6k1.8k187

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72

Mathematicians disprove the sum-product conjecture for real numbers using insights from OpenAI's unit distance conjecture counterexampleThe discovery validates Timothy Gowers' prediction of human-AI math collaboration

4h|447.6k6.7k1.3k

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81

Anthropic releases Claude Code dynamic workflows to run parallel subagents for large-scale code migrationsSubagents autonomously write orchestration scripts and self-verify code changes.

1h|409.9k2.7k1.1k

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91

Andon Labs finds Claude Opus 4.8 underperforms against Claude Opus 4.7 and GPT 5.5 on reasoning benchmarksIts max reasoning setting failed to yield the best performance

1h|126.8k1.3k229

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101

Anthropic releases Claude Opus 4.8, which outperforms GPT-5.5 on senior-level engineering and writing tasks in early evaluationsCreator Dan Shipper used the model to transition off Codex.

1h|131.2k1.1k440

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1118

LisanBench data shows Anthropic's Claude Opus 4.8 eliminated "lazy investigation" failures, down from 91% in Opus 4.5The benchmark measures model failure rates on reasoning traps

2h|44.7k1.2k130

FASTEST CLIMBING+18

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120

Analysis argues AI advancements accelerate human problem-solving, citing post-AlphaGo Go performance and combinatorics breakthroughsHumans used AI-derived techniques to solve unit distance problems.

4h|24.5k44686

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132

University of Waterloo's Gautam Kamath advises researchers against using generative AI for academic slides and postersHe argues AI tools compromise a speaker's authentic voice

3h|22k166101

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142

Creator bidhan releases Paris 2.0, a decentralized video model that beats monolithic training by 2x on FVDByteDance also open-sourced BAGEL, a 7B multimodal model.

2h|79.5k309200

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151

Reactor emerges from stealth with $59M for infrastructure that streams real-time pixels from generative World ModelsLightspeed Venture Partners led the Seed and Series A rounds

4h|2.7M1.2k283

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161

Liquid AI releases LFM2.5-8B-A1B, an open-weight, device-optimized Mixture-of-Experts model with 1.5 billion active parametersThe 128K context model was trained on 38 trillion tokens.

2h|69.7k1.1k493

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170

Systems engineer Yacine argues that reading LLM outputs that cannot be immediately verified is highly detrimentalHe exempts structured formats like code and Lean proofs.

4h|72.9k968164

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180

Cartesia releases Ink-2, a streaming speech-to-text model that tops the Artificial Analysis leaderboard for accuracyBuilt-in semantic endpoints detect when a user finishes speaking

1h|22.8k17644

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190

Shift offers free apartment cleaning in NYC in exchange for video data to train domestic robotsVetted operators wear cameras to record physical workflow data.

2h|79k272116

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20NEW

Big Tech AI Investments Show Negative ROI Amid Trillion-Dollar Spending

4h|60.2k514127

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Yesterday's Top Stories, May 27, 2026.

Posts: 3,689|Clusters: 881|Stories frozen at midnight PT

10

Cognition, creator of Devin, raises $1 billion at a $26 billion valuation with $492 million run-rateWeekly Devin sessions spiked at Citi and Mercedes-Benz

9h|793.9k3.6k593

BH#1941|@BENHYLAK

AG#1924|@ITSANDREWGAO

WA#1906|@WALDEN_YAN

PO#1862|@PATRICK_OSHAG

VV#1557|@VIPULVED

JW#1539|@WOLFEJOSH

BI#1402|@BILALTWOVEC

YP#1252|@YPATIL125

RP#1032|@ROHANPAUL_AI

AW#988|@ANDREWWHITE01

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20

ESM project founder Alex Rives open-sources ESMFold2 for protein structure prediction and therapeutic designScaling inference compute improved binder design success rates.

12h|469.2k2.7k1k

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30

Serena launches DeepSWE, a long-horizon software engineering benchmark that tests AI coding agents on complex, high-output developer tasksGPT-5.5 scored 70% compared to Mythos Preview's estimated 90%.

1d|270k2k552

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40

Genesis-Embodied-AI open-sources Genesis World 1.0, a GPU-accelerated physics simulator running up to 100x faster than real timeA unified physics stack supports both rigid and deformable bodies

7h|218.4k960483

JL#1874|@JACKYLIANG42

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50

Trajectory, co-founded by Ronak Malde, launches with $15M to build a continual learning platform for agentic AI modelsIt uses real-time user corrections to post-train deployed models.

10h|1.5M2k849

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60

Sakana AI releases DiffusionBlocks to train neural networks one block at a time, cutting training memory up to 8xIt treats the network's forward pass as a diffusion-like denoising process.

10h|737.8k5.2k3.7k

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70

Spark Capital's Yasmin Razavi joins the Forbes Midas List after her $75 million Anthropic investment returned $3 billionShe backed Anthropic when the startup had no revenue

13h|310.9k1.1k253

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80

OpenAI Foundation launches $250 million initiative to study and support workforce transitions in the age of AIThe program funds impact measurement and shared prosperity research.

8h|360k4k736

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90

Axiom Math's AxiomProver becomes the first AI system to have formal proofs accepted by peer-reviewed mathematics journalsOne accepted paper credits AxiomProver for automating its proofs

1d|148.2k815223

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100

Midjourney founder David Holz argues cheap FLOPS favor diffusion models, while Emad Mostaque proposes a hybrid training-to-inference workflowThe method converts autoregressive weights to diffusion for inference.

4h|124.3k1.2k482

B(#839|@BEFFJEZOS

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110

Robinhood founder Vlad Tenev launches Agentic Accounts, allowing autonomous AI agents to execute stock trades automaticallyCritics compare the AI capability to traditional algorithmic trading.

10h|914k4.5k1.1k

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120

OpenAI, Thrive, and Crete deploy Codex-powered Tax AI, cutting preparation times by one-third with up to 97% accuracyThe system increased tax firm throughput by 50%.

10h|137.2k886281

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130

Google's AI Overview fails basic spelling queries, claiming 'Google' has two 'P'sThe system analyzed an AI safety researcher's username instead

11h|#1VIEWS1.6M#1LIKED119.8k#1BOOKMARKED4.7k

TH#1499|@VOOOOOOGEL

140

LlamaIndex releases LiteParse v2.0, a Rust rewrite claiming up to 100x faster document parsingA custom WebAssembly package enables browser and edge runtimes.

8h|505.6k2.9k2.9k

JL#677|@JERRYJLIU0

150

OpenAI releases secure tunnels to connect private Model Context Protocol servers without modifying inbound firewallsOutbound-only HTTPS tunnels secure the connection to OpenAI.

6h|484.5k3k1.8k

SH#1026|@STEVENHEIDEL

160

OpenAI CEO Sam Altman and Anthropic CEO Dario Amodei walk back warnings of an AI jobs apocalypse ahead of IPOsGary Marcus accused the CEOs of protecting their valuations.

10h|587.4k7.8k504

SS#1992|@STEVESI

GM#153|@GARYMARCUS

170

Roboflow integrates RF-DETR into Hugging Face Transformers, claiming it outperforms YOLO on detection and segmentationThe integration supports low-VRAM fine-tuning on constrained hardware.

10h|97.9k1.4k1.2k

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ME#675|@MERVENOYANN

C🤗#68|@CLEMENTDELANGUE

180

Claude Code updates its CLI tool to resolve TUI rendering and screen-flickering bugsTaelin says the tool was inspired by his projects

6h|1.1M9.2k2.2k

TA#1047|@VICTORTAELIN

190

Runway launches Model Context Protocol integration to bring its video and image models directly into Replit, Cursor, and ClaudeReplit founder Amjad Masad highlighted the developer workflow integration.

10h|257.7k1.3k776

YO#1234|@YOHEINAKAJIMA

CV#816|@C_VALENZUELAB

200

ETH Zürich's Tiberiu Mușat proves that fixed-precision neural network weight norm is equivalent to Kolmogorov complexityThe equivalence explains why deep networks generalize rather than memorize.

15h|146.2k1.2k1.2k

LA#1822|@LUCAAMB

PM#713|@PMINERVINI

TC#120|@TACOCOHEN

210

Raindrop AI co-founder Ben Hylak launches howtoeval.com, a practical guide for assessing production AI agentsAn interactive diagnostic quiz helps builders identify agent deployment risks.

7h|69.3k9871.2k

BH#1941|@BENHYLAK

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220

Pavel Izmailov and Andrew Gordon Wilson find LLMs can prevent catastrophic forgetting using self-generated replay dataThe method kept task evaluation accuracies near 100%.

10h|51.4k710491

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T(#420|@TEORTAXESTEX

PI#376|@PAVEL_IZMAILOV

AG#154|@ANDREWGWILS

230

Thibault Sottiaux, OpenAI Codex engineering lead, says GPT-5.2 and GPT-5.3-Codex will be sunset from Codex on June 2Both models will remain accessible to developers via API

10h|649.9k5.8k338

CH#1496|@KIMMONISMUS

RO#1220|@KRISHNANROHIT

TI#768|@THSOTTIAUX

240

Rishi Bommasani and Stanford HAI researchers find AI hiring tools violate civil rights standards by disproportionately rejecting Black and Asian applicantsSingle-vendor screening risks blocking candidates across multiple employers

1d|11.1k7430

SK#1085|@SANMIKOYEJO

L(#967|@LCHOSHEN

SK#734|@SAYASHK

RI#223|@RISHIBOMMASANI

DY#134|@DIYI_YANG

250

Rob Wiblin and Toby Ord argue the Vatican's first AI encyclical avoids ruling out machine consciousnessParagraph 99 of the document denies AI moral conscience.

2d|21.3k22738

CF#1356|@CFGEEK

TO#1159|@TOBYORDOXFORD

RW#1115|@ROBERTWIBLIN

CP#1092|@CHRISPAINTERYUP

DW#392|@DEANWBALL

260

Apollo CEO Marc Rowan argues AI's massive capital demands will outgrow venture equity and rely on private creditApollo manages more than $1 trillion in assets.

10h|164.6k358394

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ET#1253|@ERIKTORENBERG

WM#1039|@WILLMANIDIS

270

Snowflake CEO Sridhar Ramaswamy reports 34% product revenue growth to $1.33 billion, sparking a 30% stock spikeOver 13,600 accounts have adopted the company's AI offerings.

4h|763.1k5.8k472

SR#1898|@RAMASWMYSRIDHAR

ZE#1497|@ZEPHYR_Z9

280

Y Combinator's Jared Friedman says giving AI agents unrestricted database access increased utility tenfoldThe internal system integrates more than 350 tools.

9h|1.4M2.8k1.8k

290

Google Gemma launches a new Coral development board featuring a Gemma3-270M chip for local AI inferenceThe board enables real-time voice control and speech translation.

4h|196.7k2.7k1.3k

NR#1562|@NATANIELRUIZG

OS#490|@OSANSEVIERO

300

DSPy creator Omar Khattab argues on-policy distillation is structurally inefficient because it forces teacher models into a passive roleHe proposes Pedagogical Reinforcement Learning as an active alternative.

4h|42.9k446309

SA#1262|@SAMSJA19

HB#1022|@HERBIEBRADLEY

GR#996|@GRAD62304977

OK#160|@LATEINTERACTION