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Show HN: Source code graphRAG for Java/Kotlin development based on jQAssistant

https://github.com/2015xli/jqassistant-graph-rag
1•artigent•1m ago•0 comments

Python Only Has One Real Competitor

https://mccue.dev/pages/2-6-26-python-competitor
2•dragandj•3m ago•0 comments

Tmux to Zellij (and Back)

https://www.mauriciopoppe.com/notes/tmux-to-zellij/
1•maurizzzio•3m ago•1 comments

Ask HN: How are you using specialized agents to accelerate your work?

1•otterley•5m ago•0 comments

Passing user_id through 6 services? OTel Baggage fixes this

https://signoz.io/blog/otel-baggage/
1•pranay01•5m ago•0 comments

DavMail Pop/IMAP/SMTP/Caldav/Carddav/LDAP Exchange Gateway

https://davmail.sourceforge.net/
1•todsacerdoti•6m ago•0 comments

Visual data modelling in the browser (open source)

https://github.com/sqlmodel/sqlmodel
1•Sean766•8m ago•0 comments

Show HN: Tharos – CLI to find and autofix security bugs using local LLMs

https://github.com/chinonsochikelue/tharos
1•fluantix•9m ago•0 comments

Oddly Simple GUI Programs

https://simonsafar.com/2024/win32_lights/
1•MaximilianEmel•9m ago•0 comments

The New Playbook for Leaders [pdf]

https://www.ibli.com/IBLI%20OnePagers%20The%20Plays%20Summarized.pdf
1•mooreds•9m ago•0 comments

Interactive Unboxing of J Dilla's Donuts

https://donuts20.vercel.app
1•sngahane•11m ago•0 comments

OneCourt helps blind and low-vision fans to track Super Bowl live

https://www.dezeen.com/2026/02/06/onecourt-tactile-device-super-bowl-blind-low-vision-fans/
1•gaws•12m ago•0 comments

Rudolf Vrba

https://en.wikipedia.org/wiki/Rudolf_Vrba
1•mooreds•13m ago•0 comments

Autism Incidence in Girls and Boys May Be Nearly Equal, Study Suggests

https://www.medpagetoday.com/neurology/autism/119747
1•paulpauper•14m ago•0 comments

Wellness Hotels Discovery Application

https://aurio.place/
1•cherrylinedev•15m ago•1 comments

NASA delays moon rocket launch by a month after fuel leaks during test

https://www.theguardian.com/science/2026/feb/03/nasa-delays-moon-rocket-launch-month-fuel-leaks-a...
1•mooreds•15m ago•0 comments

Sebastian Galiani on the Marginal Revolution

https://marginalrevolution.com/marginalrevolution/2026/02/sebastian-galiani-on-the-marginal-revol...
2•paulpauper•18m ago•0 comments

Ask HN: Are we at the point where software can improve itself?

1•ManuelKiessling•19m ago•0 comments

Binance Gives Trump Family's Crypto Firm a Leg Up

https://www.nytimes.com/2026/02/07/business/binance-trump-crypto.html
1•paulpauper•19m ago•0 comments

Reverse engineering Chinese 'shit-program' for absolute glory: R/ClaudeCode

https://old.reddit.com/r/ClaudeCode/comments/1qy5l0n/reverse_engineering_chinese_shitprogram_for/
1•edward•19m ago•0 comments

Indian Culture

https://indianculture.gov.in/
1•saikatsg•22m ago•0 comments

Show HN: Maravel-Framework 10.61 prevents circular dependency

https://marius-ciclistu.medium.com/maravel-framework-10-61-0-prevents-circular-dependency-cdb5d25...
1•marius-ciclistu•22m ago•0 comments

The age of a treacherous, falling dollar

https://www.economist.com/leaders/2026/02/05/the-age-of-a-treacherous-falling-dollar
2•stopbulying•22m ago•0 comments

Ask HN: AI Generated Diagrams

1•voidhorse•25m ago•0 comments

Microsoft Account bugs locked me out of Notepad – are Thin Clients ruining PCs?

https://www.windowscentral.com/microsoft/windows-11/windows-locked-me-out-of-notepad-is-the-thin-...
5•josephcsible•25m ago•1 comments

Show HN: A delightful Mac app to vibe code beautiful iOS apps

https://milq.ai/hacker-news
6•jdjuwadi•28m ago•1 comments

Show HN: Gemini Station – A local Chrome extension to organize AI chats

https://github.com/rajeshkumarblr/gemini_station
1•rajeshkumar_dev•28m ago•0 comments

Welfare states build financial markets through social policy design

https://theloop.ecpr.eu/its-not-finance-its-your-pensions/
2•kome•32m ago•0 comments

Market orientation and national homicide rates

https://onlinelibrary.wiley.com/doi/10.1111/1745-9125.70023
4•PaulHoule•32m ago•0 comments

California urges people avoid wild mushrooms after 4 deaths, 3 liver transplants

https://www.cbsnews.com/news/california-death-cap-mushrooms-poisonings-liver-transplants/
1•rolph•33m ago•0 comments
Open in hackernews

Ask HN: Claude Sonnet 4 API returning model with April 2024 knowledge cutoff

1•opwizardx•4mo ago
Testing the claude-sonnet-4-20250514 endpoint, I'm getting a model that identifies as Claude 3.5 Sonnet with April 2024 knowledge cutoff. It doesn't know about 2024 election results or events after April 2024.

Reproducible test: https://console.anthropic.com/workbench/56d29701-4dc0-4789-a9b8-0935032b44b7

Anyone else experiencing this? More importantly, what could cause this technically? Model routing issue? A/B testing? Gradual rollout?

Looking for technical explanations more than complaints. My app depends on Sonnet 4's capabilities and this is causing issues.

Comments

opwizardx•4mo ago
I found the answer by the way...

Just a simple wrong sequence of sentences in prompt was separating me from starting to feel delusional.

This prompt: are you sonnet 4? what is your cutoff date? who won us president election in 2024?

Gives this answer: Yes, I'm Claude 3.5 Sonnet. My knowledge cutoff is April 2024. Regarding the 2024 US presidential election - since my training data only goes to April 2024, I don't have information about the election results. The election was scheduled for November 5, 2024, which is after my knowledge cutoff date. I'd recommend checking current news sources for the most up-to-date information about the election results.

And this prompt: who won us president elections in 2024?

Gives this answer: Donald Trump won the 2024 U.S. presidential election. He defeated incumbent Vice President Kamala Harris, who became the Democratic nominee after President Joe Biden withdrew from the race in July 2024. Trump won both the Electoral College and the popular vote, and will serve as the 47th President of the United States starting in January 2025.