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Most-upvoted stories of the last 48 hours. You can change the number of hours like this: best?h=24.

1.		Claude Code sends 33k tokens before reading the prompt; OpenCode sends 7k (systima.ai)
		554 points by systima 13 hours ago \| 313 comments
2.		Ask HN: Add flag for AI-generated articles
		523 points by levkk 6 hours ago \| 258 comments
3.		What xAI's Grok build CLI sends to xAI: A wire-level analysis (gist.github.com)
		461 points by jhoho 1 day ago \| 170 comments
4.		Old and new apps, via modern coding agents (terrytao.wordpress.com)
		428 points by subset 19 hours ago \| 126 comments
5.		I love LLMs, I hate hype (geohot.github.io)
		405 points by therepanic 12 hours ago \| 251 comments
6.		Since Chromium 148, Math.tanh is now fingerprintable to link underlying OS (scrapfly.dev)
		392 points by joahnn_s 10 hours ago \| 185 comments
7.		Nvidia, CoreWeave, and Nebius: Inside the Circular Financing of the GPU Boom (io-fund.com)
		363 points by adletbalzhanov 1 day ago \| 166 comments
8.		Prefer strict tables in SQLite (evanhahn.com)
		344 points by ingve 1 day ago \| 171 comments
9.		Mesh LLM: distributed AI computing on iroh (iroh.computer)
		339 points by tionis 1 day ago \| 81 comments
10.		Show HN: Ant – A JavaScript runtime and ecosystem (antjs.org)
		317 points by theMackabu 1 day ago \| 145 comments
11.		Female US rower completes historic solo journey from California to Hawaii (theguardian.com)
		317 points by speckx 1 day ago \| 107 comments
12.		How to read more books (scotto.me)
		315 points by silcoon 15 hours ago \| 170 comments
13.		Ghostel.el: Terminal emulator powered by libghostty (dakra.github.io)
		275 points by signa11 22 hours ago \| 57 comments
14.		Modern decor may be straining people's brains (studyfinds.com)
		267 points by downwithdisease 1 day ago \| 263 comments
15.		How Doctors die. It’s not like the rest of us (2016) (cancerworld.net)
		240 points by downbad_ 1 day ago \| 148 comments
16.		We scaled PgBouncer to 4x throughput (clickhouse.com)
		236 points by saisrirampur 1 day ago \| 56 comments
17.		The shingles vaccine may reduce the risk of dementia (economist.com)
		233 points by saikatsg 16 hours ago \| 194 comments
18.		UPI: Anatomy of a Payment Transaction (timeseriesofindia.com)
		231 points by prtk25 1 day ago \| 115 comments
19.		Ghost Font: A font that humans can read but AI cannot (mixfont.com)
		231 points by justswim 1 day ago \| 170 comments
20.		Irish datacenters now guzzle 23% of the country's electricity (theregister.com)
		229 points by Bender 11 hours ago \| 242 comments
21.		Tiny Emulators (floooh.github.io)
		224 points by naves 11 hours ago \| 13 comments
22.		LARP – Revenue infrastructure for serious founders (larp.website)
		224 points by BerislavLopac 14 hours ago \| 46 comments
23.		AI 2040 and the cult of intelligence (geohot.github.io)
		221 points by rvz 1 day ago \| 261 comments
24.		Count Binface (countbinface.com)
		202 points by mooreds 3 hours ago \| 88 comments
25.		RISCBoy is an open-source portable games console, designed from scratch (github.com/wren6991)
		202 points by mariuz 1 day ago \| 32 comments
26.		Networking and the Internet, from First Principles (fazamhd.com)
		202 points by faza 1 day ago \| 68 comments
27.		Stop Telling Me to Ask an LLM (yaelwrites.com)
		198 points by theorchid 1 day ago \| 118 comments
28.		Migrating a production AI agent to GPT-5.6: 2.2x faster, 27% cheaper (ploy.ai)
		195 points by brryant 14 hours ago \| 80 comments
29.		Leaded gas was a known poison the day it was invented (2016) (smithsonianmag.com)
		194 points by downbad_ 1 day ago \| 136 comments
30.		Don't you mean extinct? (fabiensanglard.net)
		192 points by zdw 16 hours ago \| 122 comments
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