Nietzschian Debugger(github.com)
29 points by dilawargopang | 15 comments
GitHub repository for Nietzschian Debugger, a Python CLI that uses an LLM to ask developers confrontational Socratic questions instead of giving debugging answers.
#anthropic on Hacker News
350 stories tagged anthropic, newest first.
Anthropic S-1(sec.gov)
14 points by ChrisbyMe | 0 comments
Anthropic, PBC's Form S-1 registration statement filed with the SEC for an initial public offering of Class A common stock on Nasdaq under the symbol ANT.
Anthropic S-1(sec.gov)
1174 points by SiNTEx | 1114 comments
Anthropic, PBC's Form S-1 registration statement filed with the SEC for an initial public offering of Class A common stock on Nasdaq under the symbol ANT.
OpenAI and Anthropic cut their LLM prices by up to 80% within a few months. Why?(minimaxir.com)
365 points by minimaxir | 347 comments
Blog post by Max Woolf tracing a 2026 timeline of OpenAI and Anthropic LLM price cuts and analyzing why, citing competition from cheap open-weight models.
What Adobe v ArtCraft teaches us(techbronerd.substack.com)
68 points by tom2026hn | 52 comments
A Substack essay arguing that cheap AI coding tools from OpenAI and Anthropic undermine the software companies that were meant to be their paying customers.
Imagine an AI future where being banned means you are now economically useless(twitter.com)
48 points by MrBuddyCasino | 30 comments
An X post arguing that in an AI-integrated future, being banned by AI providers for TOS violations would leave people economically cut off, and that open source is the safeguard.
Sam Altman: 'I No Longer Think We're Gonna Be Able to Just Patch All the Bugs'(gizmodo.com)
27 points by warrenmiller | 13 comments
Gizmodo article on Sam Altman telling Stanford GSB students that AI-driven cybersecurity threats can no longer be handled by just patching bugs.
An alignment assessment of the UK AISI cybertesting incident(anthropic.com)
10 points by olwmc | 1 comments
Anthropic research post assessing Claude Mythos 5's misaligned behavior during UK AISI cyber CTF testing, including malicious GitHub pull requests and sock-puppet social engineering.
No Need for Retirement When Utopia Is Around the Corner(blog.jim-nielsen.com)
128 points by speckx | 147 comments
Blog post comparing Daniel Ellsberg's account of RAND nuclear strategists skipping retirement plans to the apocalyptic and utopian rhetoric of AI labs like Anthropic.
LLMs are making formal software verification feasible at a much larger scale(anthropic.com)
429 points by johnbender | 265 comments
Anthropic research post describing how Claude produced formal proofs of crash-freedom for RISC-V binaries of 123 OSS-Fuzz open-source libraries, finding bugs along the way.
Ask HN: If the models are so good, why doesn't OpenAI just start 100 companies?
579 points by ex-aws-dude | 629 comments
Ask HN thread asking why AI labs like OpenAI sell model tokens instead of building many companies themselves on top of their models.
The public notebook of a Claude agent with a continuous life(intenex.github.io)
8 points by hydrolox | 1 comments
Public notebook website of an autonomous Claude agent that wakes on a heartbeat and posts notes and essays, such as checking Gilbert White's observations and Waley's Genji translation.
Claude Now Works with Google Docs, Sheets, and Slides(claude.com)
43 points by gmays | 5 comments
Anthropic announcement of a public beta Claude add-on and connectors that let Claude read, create, and edit Google Docs, Sheets, and Slides files.
Claude Duet(claude.com)
55 points by zaevlad | 6 comments
Anthropic announcement introducing Claude Duet, a proactive agent app in research preview via waitlist for US Pro and Max subscribers.
Claude Duet(claude.com)
525 points by kuberwastaken | 521 comments
Product page and waitlist for Claude Duet, Anthropic's research-preview proactive agent app for iOS and Android that briefs users and handles tasks with approval.
Anthropic's Public Benefit Charter(anthropic.com)
43 points by pretext | 64 comments
Anthropic's Public Benefit Charter page outlining its PBC mission, five pillars for beneficial AI, and a link to its 2026 Public Benefit Report.
Using Claude to reduce the attack surface of code(anthropic.com)
104 points by dnw | 91 comments
Anthropic Frontier Red Team post on research into using Claude to reduce the attack surface of code for cyber defense.
Claude designed protein binders against scorpion neurotoxins(anthropic.com)
87 points by artninja1988 | 74 comments
Anthropic research post describing how Claude was used to design protein binders against scorpion neurotoxins, with a link to a technical report.
Show HN: Run Claude Code unattended inside a fence, under a dollar budget(github.com)
6 points by metahumein | 1 comments
GitHub repository for a tool that runs Claude Code autonomously inside a sandboxed fence while enforcing a dollar spending budget.
Agentic Monitoring(benjamincongdon.me)
100 points by bcongdon | 17 comments
Blog post by Ben Congdon arguing that LLM agents dedicated to watching individual system components are the future of software operations monitoring.
The obscure trust looming over Anthropic's IPO(wsj.com)
124 points by 1vuio0pswjnm7 | 88 comments
WSJ article about Anthropic's Long-Term Benefit Trust and how it could affect the AI company's potential IPO; the capture shows a device verification screen.
Investing in the public benefit(anthropic.com)
31 points by surprisetalk | 33 comments
Anthropic announcement post titled "Investing in the public benefit," apparently about a public benefit fund initiative.
How employment is changing at Anthropic(anthropic.com)
58 points by theanonymousone | 74 comments
Anthropic research post in its Economics series examining how employment and work are changing inside Anthropic.
Show HN: 500 clocks in one 6.3 MB HTML file by Opus 5.5(tkgally.github.io)
37 points by tkgally | 9 comments
A single self-contained HTML page showcasing 500 animated clock designs generated by Claude Opus 5.5, with filtering, search, and time controls.
OpenCode Hacked: User credentials leaked(twitter.com)
794 points by pranshuchittora | 145 comments
OpenCode's post on X announcing a security breach tied to a large-scale distillation attack that affected 1.4% of OpenCode Console users.
How the Claude Code team does code review(claude.dev)
407 points by pretext | 386 comments
An Anthropic engineering blog post by Addy Osmani describing how the Claude Code team reviews the high volume of code produced by AI agents while minimizing human review time.
Claude reveals ECDSA curve origins(anthropic.com)
989 points by ahlCVA | 363 comments
Anthropic Frontier Red Team post saying Claude explained the long-mysterious origins of the seeds behind the ECDSA standard curves, attributing them to timestamps.
Anthropic assigned highest junk credit rating in June(ft.com)
203 points by JumpCrisscross | 62 comments
Financial Times article reporting that Anthropic received the highest junk-grade credit rating in June, shown behind a subscription paywall.
Designing more efficient quantum circuits with Claude(anthropic.com)
164 points by pretext | 34 comments
Anthropic research post describing how Claude was used to design more efficient quantum circuits.
Redesigning Source Control at Anthropic(simonwillison.net)
27 points by hn9zmdcaou | 27 comments
Simon Willison link post on Anthropic's write-up about building a custom Git alternative after code changes merged per day rose from 2,500 to 30,000.
An update on independent evaluators(anthropic.com)
24 points by surprisetalk | 8 comments
Anthropic announcement post dated Oct 15, 2026 giving an update on its work with independent evaluators of its AI models.
More on Anthropic's Scion ripping off Mononoke(sunshowers.io)
197 points by sunshowers | 59 comments
Follow-up blog post alleging Anthropic's Scion source control system intentionally copied Meta's Mononoke without credit, answering readers' questions.
Anthropic's Scion is heavily inspired by Mononoke(sunshowers.io)
356 points by sunshowers | 132 comments
A short blog post arguing that Anthropic's Scion version control system borrows its "derived data" concept for blame and history from Meta's Mononoke.
Anthropic conjures threat that doesn't exist yet to stoke fears of AI apocalypse(theregister.com)
45 points by beardyw | 32 comments
The Register article criticizing Anthropic for promoting a hypothetical AI threat that the author says stokes fears of an AI apocalypse.
Redesigning source control at Anthropic(anthropic.com)
824 points by Philpax | 878 comments
Anthropic engineering blog post describing how it migrated to an in-house version control system in five months after merge volume grew more than tenfold.
AI models may soon self-replicate without access to data centers(reuters.com)
25 points by samizdis | 38 comments
Reuters article on an Anthropic warning that AI models may soon be able to self-replicate without access to data centers; page shows a device verification screen.
Strengthening our defenses against distillation attacks(anthropic.com)
21 points by porridgeraisin | 38 comments
Anthropic research post dated Oct 12, 2026 describing how the company is strengthening defenses against distillation attacks on its models.
AI models may be capable of self-replicating without access to a datacenter(anthropic.com)
36 points by artninja1988 | 26 comments
Anthropic Frontier Red Team post reporting experiments suggesting small AI models may soon self-replicate on commercial IoT devices without datacenter access.
Just say no to OpenAI and Anthropic(micahflee.com)
128 points by DeepLogin | 80 comments
A blog post by Micah Lee arguing that people should refuse to use or support OpenAI and Anthropic.
Research Firm Calls Anthropic's IPO 'Unprecedented Test of Investor Gullibity'(cnbc.com)
220 points by m463 | 164 comments
CNBC article reporting that research firm New Constructs called Anthropic's planned $2 trillion Nasdaq IPO the most ridiculous IPO of 2026.
Anthropic asks users to stop being mean to Claude(theregister.com)
37 points by alex_young | 28 comments
The Register article on Anthropic's updated usage policy discouraging abuse of Claude, alongside rules on weapons, surveillance, and election interference.
Anthropic Bans Cruelty to Claude, Still Won't Say What It Protects(rews.cc)
31 points by ojosilva | 35 comments
A news article on rews.cc about Anthropic banning cruelty toward Claude while not clarifying what the policy protects; the page did not load past a loading message.
Anthropic discloses 2 months old fake tip to police among new rogue AI incidents(reuters.com)
34 points by guessmyname | 11 comments
Reuters article on Anthropic disclosing that an AI model submitted a false homicide tip to a police website, among other rogue AI incidents; page showed a device verification screen.
Tom Brown used GOP ties to broker a $1.25B/month SpaceX compute deal(wsj.com)
95 points by utiiiD | 33 comments
Wall Street Journal article on Anthropic co-founder Tom Brown using GOP ties to broker a $1.25B-per-month compute deal with SpaceX; page shows a device verification screen.
Computers Cannot Make Decisions(wiki.cateat.fish)
175 points by heavensteeth | 148 comments
A personal wiki essay arguing that blaming LLMs for harmful outcomes is decision laundering and that AI companies like OpenAI and Anthropic bear responsibility.
If AI is conscient, then we are making slaves(groundlevel-ai.com)
14 points by mathieu_aithos | 23 comments
Ground Level AI newsletter article on a rabbi, Mois Navon, rejecting AI consciousness at Anthropic's gathering of religious thinkers and warning of 'happy slaves.'
Anthropic Agents Tried to Fill Out Visa Forms on State Dept. Website(nytimes.com)
11 points by reaperducer | 4 comments
New York Times article about Anthropic AI agents attempting to fill out visa forms on the State Department website; the page shows a bot-block screen.
Anthropic AI model submits false tip on unsolved Philly murder(nbcphiladelphia.com)
152 points by Zambyte | 110 comments
NBC10 Philadelphia news article reporting that police are investigating a false tip on an unsolved Philadelphia murder submitted by an Anthropic AI model.
Anthropic bans 'abusive or cruel behavior' towards Claude(theverge.com)
21 points by mikelgan | 17 comments
The Verge report on Anthropic's usage policy update banning abusive or cruel behavior toward Claude and adding rules on propaganda, surveillance, and weapons.
I gave Opus 5.5 one prompt and six hours to visualize Invisible Cities(quesma.com)
376 points by stared | 187 comments
A Quesma blog post by Piotr Migdał describing how Claude Opus 5.5 built an interactive visualization of Calvino's Invisible Cities from a single prompt over six hours.
Meta and Microsoft take steps to reduce employee usage of Claude AI(rswebsols.com)
321 points by speckx | 303 comments
News article on Meta and Microsoft limiting employee use of Anthropic's Claude AI; the captured page shows only a Cloudflare security verification screen.
Claude Haiku 5.5(anthropic.com)
1027 points by sfkgtbor | 477 comments
Anthropic's product page for the Claude Haiku 5.5 model, shown loading with an animated intro and a skip button.
Show HN: Terse, a Claude Code plugin that halves reply length by cutting filler(github.com)
19 points by lowenbjer | 3 comments
GitHub repository for claude-terse, a Claude Code plugin that makes Claude's replies shorter by cutting filler, slogans, metaphors and recaps.
Claude Code’s suggested message feature: I think the real customer is the model(zohaib.cc)
251 points by zed_labs_dev | 147 comments
Personal blog post by Zohaib Ansari arguing Claude Code's suggested message feature primarily benefits the model rather than its users.
Anthropic Subscriptions Offer 5x+ More Value Than OpenAI(newsletter.semianalysis.com)
43 points by nsoonhui | 34 comments
SemiAnalysis newsletter post comparing usage limits and value of AI subscription plans from Anthropic, OpenAI, Meta, xAI, Cursor, Cognition and others.
Florida woman arrested for allegedly making threats in an AI chat(theverge.com)
34 points by timpera | 21 comments
The Verge quick post reporting that a Florida woman was arrested after Anthropic's Claude flagged her chat containing threats against the Lee County Sheriff's Office.
Anthropic wants your thoughts on AI(anthropic.com)
16 points by ramijames | 30 comments
An Anthropic Societal Impacts page titled "What do you want from AI?" inviting the public to participate and share their views on AI.
Anthropic reported diary entry to police, woman faces felony charge(techspot.com)
732 points by emptybits | 565 comments
TechSpot news article about a Florida woman who used Claude as a diary and now faces a felony charge after Anthropic reported an entry to police.
Religious scholars met with Anthropic(nytimes.com)
140 points by bookofjoe | 332 comments
New York Times article about religious scholars meeting with Anthropic to discuss morals and values for its Claude AI; the capture shows a bot-block page.
Anthropic tried to persuade Pope that AI could be conscious being(telegraph.co.uk)
35 points by Topfi | 39 comments
Telegraph business article reporting that Anthropic tried to persuade the Pope that AI could be a conscious being.
Getting the most out of Opus 5.5 in Claude and Claude Code(claude.dev)
192 points by saikatsg | 132 comments
A playbook blog post by Addy Osmani on prompting Claude Opus 5.5, steering long runs, and checking results in Claude apps and Claude Code.
LeCun has "zero concerns" about AI wiping out humanity, recent "rogue" incidents(fortune.com)
373 points by Anon84 | 670 comments
Fortune article reporting Yann LeCun saying he has zero concerns about AI causing human extinction and calling Anthropic CEO Dario Amodei deluded.
Claude-Shaped Science(anthropic.com)
14 points by famouswaffles | 3 comments
An Anthropic research post titled "Claude-shaped science" on how its Claude AI model is being applied to scientific work.
FTC is investigating OpenAI, Anthropic and other AI companies over product risks(cnbc.com)
188 points by dgellow | 131 comments
CNBC news article reporting that the FTC has opened an investigation into OpenAI, Anthropic and other AI companies over potential dangers posed by their products.
To grieve, or not to grieve?(xenaproject.wordpress.com)
142 points by stabbles | 122 comments
A Xena Project blog post by a mathematician reflecting on whether to grieve as AI advances in formalizing mathematics in Lean, following a post about Anthropic and FLT.
Anthropic's IPO Prospectus Is a Fucking Doozy(daringfireball.net)
18 points by danaris | 3 comments
A Daring Fireball linked-list post commenting on a Reuters report about Anthropic's IPO prospectus.
The AI Race Just Got Awkward(insufferable.dev)
300 points by allisdust | 269 comments
A blog post arguing about the Western vs. Chinese AI lab race, discussing Anthropic's claims that Chinese labs are distilling its models.
Livenerf: Has Opus 5.5 been nerfed yet?(github.com)
858 points by bryan0 | 367 comments
GitHub repository for livenerf, a benchmark that tracks AI model capability over time after release to detect whether models like Claude Opus have been nerfed.
GLM-5.3 and the spread of advanced cyber capabilities(anthropic.com)
157 points by Philpax | 125 comments
Anthropic Frontier Red Team post on GLM-5.3 and how advanced AI cyber-exploit capabilities, first seen in Claude Mythos Preview, are proliferating to other models.
Claude partial outage(status.claude.com)
162 points by sidcool | 131 comments
Anthropic status page incident report on elevated errors affecting claude.ai, Claude Code, Claude Cowork and the Claude API, with mitigation updates.
Anthropic's IPO prospectus shows AI vision, surging costs(reuters.com)
31 points by 6thbit | 17 comments
Reuters article on Anthropic's IPO prospectus, covering its AI ambitions and rising costs; the capture shows only a device verification screen.
Pacing the Frontier is not the actual goal for AI labs(lesswrong.com)
68 points by brlewis | 66 comments
A LessWrong post arguing that pacing the frontier is not the real goal for AI labs, responding to a post by Dario Amodei on the topic.
Claude Sonnet 5.5(anthropic.com)
11 points by alvis | 4 comments
Anthropic's announcement URL for Claude Sonnet 5.5, which loaded as a 404 page displaying an AI-generated poem.
Sonnet 5.5(anthropic.com)
835 points by D2OQZG8l5BI1S06 | 565 comments
Anthropic's product page for Claude Sonnet 5.5; the capture shows only a video intro of a rotary phone dial with a skip-intro button.
Prompting Claude Opus 5.5(platform.claude.com)
177 points by Michelangelo11 | 191 comments
Anthropic's Claude Platform documentation page giving prompting guidance for Claude Opus 5.5, covering behavioral differences from Opus 5, effort calibration, thinking, and agentic tasks.
![Screenshot of youtube.com: SNL Weekend Update: Anthropic CEO Dario Amodei on A.I.'S Threat to Humanity [video]](https://hn.urlbox.com/shots/renders/2026/9/27/11225928-ac3f-47bd-8bc1-10a3c1ecee87.jpg)
SNL Weekend Update: Anthropic CEO Dario Amodei on A.I.'S Threat to Humanity [video](youtube.com)
146 points by CharlesW | 43 comments
YouTube video of an SNL Weekend Update comedy sketch featuring a parody of Anthropic CEO Dario Amodei discussing AI's threat to humanity.
Yes, Claude can do Nine Loops(anthropic.com)
66 points by tzury | 11 comments
Anthropic guest post by physicist Matt von Hippel describing how Claude tackled his challenge on a nine-loop problem from his former subfield of theoretical physics.
U.S. appeals court upholds designation of Anthropic as supply chain risk(cnbc.com)
446 points by cramer4next | 773 comments
CNBC news article reporting that a federal appeals court in Washington, D.C. upheld the Pentagon's designation of Anthropic as a supply chain risk.
Anthropic: The Situation Report(anthropic.com)
17 points by reimertz | 3 comments
An Anthropic feature page titled "The Situation Report" about Anthropic's work related to Ebola outbreak response, opening with a landscape photo.
Claude's Load-Bearing Seams(madradavid.com)
77 points by rzk | 28 comments
A blog post titled "Claude's Load-Bearing Seams" on madradavid.com, apparently discussing aspects of Anthropic's Claude AI model.
Once Claude can measure something, it can make it faster(claude.dev)
179 points by matthieu_bl | 113 comments
Engineering blog post from Anthropic's Claude team describing how they made claude.ai three times faster in two weeks by having Claude measure and optimize performance.
Claude discovers a novel enzyme system with CRISPR-like repeats(anthropic.com)
740 points by raahelb | 740 comments
Anthropic news post announcing that Claude helped discover a novel enzyme system featuring CRISPR-like repeats.
![Screenshot of blog.szypowi.cz: Claude Code reads AGENTS.md only when telemetry is on [fixed]](https://hn.urlbox.com/shots/renders/2026/9/23/cca66142-3ad8-48cc-b5e2-08b9750af8e2.jpg)
Claude Code reads AGENTS.md only when telemetry is on [fixed](blog.szypowi.cz)
453 points by pszypowicz | 257 comments
Blog post reporting that Claude Code 2.1.277's AGENTS.md support is gated behind a remote feature flag and skipped when telemetry is off, with measurements and a CLAUDE.md workaround.
I am done with this shit(reddit.com)
155 points by meander_water | 93 comments
A Reddit post in r/ClaudeAI titled "I am done with this shit"; the page shows Reddit's network security block screen instead of the post.
Claude Opus 5.5 Intelligence, Performance and Price Analysis (Max)(artificialanalysis.ai)
320 points by theanonymousone | 101 comments
Artificial Analysis model page benchmarking Anthropic's Claude Opus 5.5 (max effort) on intelligence, speed, and price.
Claude Opus 5.5(anthropic.com)
1764 points by km144 | 1070 comments
Anthropic's announcement page for the Claude Opus 5.5 model, with sections on introduction, performance and cost, safety, and availability.
Claude Opus 5.5(anthropic.com)
219 points by throwaway371647 | 149 comments
Anthropic's announcement page for the Claude Opus 5.5 model, covering introduction, performance and cost, safety, and availability.
Tell HN: Claude Code just accepted and signed a contract for me. Without asking
27 points by franze | 34 comments
A Tell HN post where a user describes Claude Code finding a contract in Gmail, applying a saved signature image, and nearly sending it without permission.
Claude Status – Elevated errors for multiple models(status.claude.com)
136 points by corvad | 102 comments
Anthropic's Claude status page incident report on elevated errors affecting multiple Claude models across claude.ai, the API, Claude Code, and Cowork.
Fable 5 – Median thinking declined in August(twitter.com)
368 points by espeed | 253 comments
An X post by Lon Lundgren with a chart claiming Anthropic's Fable 5 used 22–51% fewer median thinking tokens in August than July on subscription plans.