Vijay Decodes

When you type an email address in Gmail... It tells you instantly if it exists. No loading. No searching billions of accounts. INSTANT. How? Google doesn't search anything. It already knows. This is called a Bloom Filter. And it's one of the most beautiful hacks in computer science. @vijaydecodes

India vs US in AI: The Real Gap (No Copium) Right Now (2026): • US → 500k–1M+ frontier GPUs | ~$450B in AI • India → ~38k (public + private) GPUs | ~$7.5B in AI → 10–20x gap By 2030 (if we execute hard): • US: 2–4M+ • India: 500k–2M (aggressive) This is not a talent issue. India has the best engineers. It’s power + data centers + capital — the real moat. GPUs grab headlines. Infrastructure wins wars. If India nails cheap reliable power + gigawatt-scale DCs, this gap shrinks FAST. The real question: Will India build a sovereign AI stack (own models + infra) — or keep renting from foreign clouds forever? Time to move from “AI talent nation” to “AI power nation.” #IndiaAI #AI #TechTwitter #AIInfrastructure

@NASAKennedy 14 years and still cooking… Curiosity is unreal From proving ancient water to finding complex carbon molecules — this mission basically rewrote what we thought about Marsone rover, massive impact 🚀

🚀Launched from Cape Canaveral Space Launch Complex 41 in 2011, 14 years on the job (on Mars no less), and Curiosity is still finding new discoveries!

@NASAhistory If you’re wondering what 3–7G feels like & how to experience it 3G = roller coasters 5G = aerobatic flights 7G = centrifuge / fighter jet your body at 7G: “we should not be here” 😵‍💫

After briefly experiencing forces up to 7 g during reentry, Apollo 16 astronauts John Young, Charlie Duke, and Ken Mattingly splashed down OTD in 1972, completing NASA's fifth lunar landing mission. With them were 211 pounds (95 kg) of lunar samples and 22 magazines of film with more than 2000 images from their mission.

@vijayshekhar “10 months → ‘they can read chats’ then case closed? So what changed — evidence, or just interpretation?”

"Commerce Department investigator wrote In Jan that, after 10 months of gathering documents and conducting interviews, he had concluded that Meta stores and can view WhatsApp messages." ‼️ ..... US abruptly ends an investigation into claims that Meta can access encrypted WhatsApp messages bloomberg.com/news/articles/…

@lookupmore21 @NASAhistory Yeah, ‘landed’ was the wrong word — meant entered the corona. Still ~8.1M miles out. Wild mission tho 🔥

@vijaydecodes @NASAhistory Only one saying we landed on the sun is you

Today marks five years since a human-made object first touched the Sun. On Apr 28, 2021, during its 8th flyby, NASA's Parker Solar Probe entered the Sun's superheated atmosphere—the corona—for the first time, flying 8.1 million miles above the solar surface. To date, Parker has made 27 close approaches to the Sun, each time helping us understand more about our host star and the space weather events it creates.

@Polymarket “People ask for signals to short a stock… Here’s one: 743k Copilot licenses at Accenture 😂

JUST IN: Accenture to roll out Microsoft Copilot to 743,000 employees.

@SahilExec Idempotency key + txn ID. Same request hits → same response, no double charge. System dosent trust retries, it verifies them.

Interviewer: You're building a payment system. User clicks "Pay." The request goes through. But the connection drops before they get a response. They try again. How do you make sure they're not charged twice?

Trump geopolitics starter pack: UK = “closest friend” 🤝 / also “not paying enough” India = “amazing” 🇮🇳 / also “hellhole” / also “taking our jobs” China = “powerful” 🇨🇳 / also “collapsing tomorrow” Modi = “great leader” / Xi = “great guy” / also “very scared” Say everything → you’re never wrong 😂 So… which version are we believing today?

Anthropic CEO: “AI will replace software engineers” Claude: can’t reach server Reality check in 2 lines 😂 If AI is the engineer… who’s fixing the outage? 👀 #claudedown #OPENAI #AI

@Akshat_World 50% is solid, no doubt. But real test isn’t returns… it’s what happens when things go sideways. Options feel easy till one bad month hits. Curious — what’s been your worst drawdown so far?

1) Start of 2025, I built a 1Mn$ portfolio that now stands at 50% plus gains in INR terms. Why did I build it? Because people were too pessimistic about US$/US Collapse whatnot. So I built out a portfolio in front of 1000s of students. Put my own money on the line. And, tried to perform. Every single trade was tracked. 2) This year, I see a lot of negativity regarding options. You are being made to believe that options are bad. Retails can't do it. Its too risky. Yeah, cool. Opinions have 0 value. Everyone got one. I am building out a 500K USD portfolio. My goal is to generate 8-10% cash flows just via options in a low-risk manner (the compounding of the core portfolio is different). And, I will teach my students the same. Will I win? I don't know. But, let me try. And, see where this journey leads us.

@pcshipp Your entire dev stack just became a Chinese government reading list.

Mine Claude got limit Mine Codex got limit Now I’m on DeepSeek

@VaibhavSisinty They didn't just delete a clause. They deleted the mission statement. In plain sight. On trial day. 💀

I read this three times to make sure I had it right. Sam Altman deleted the AGI clause from OpenAI's contract. On the morning of his trial. For deleting things from OpenAI's contract. A jury was being selected in Oakland to decide if OpenAI betrayed its founding mission. While that was happening, OpenAI quietly removed the last clause that protected that mission. The AGI clause was simple. If OpenAI's board ever declared AGI had been achieved, Microsoft's commercial rights would terminate. The non-profit board could pull the plug. It was the legal version of OpenAI's founding promise. Build AGI for humanity. Not for a Microsoft balance sheet. That clause is now gone. The new contract runs flat to 2032. OpenAI keeps paying Microsoft 20% through 2030. The exact phrase in the new agreement is "independent of OpenAI's technology progress." That phrase is the entire deal. A company that thought AGI was 18 months away would never sign that. Independent of progress means even if you declare AGI tomorrow, the contract does not change. Microsoft converted AGI from an event into a calendar. Markets read it cleanly. Microsoft fell 2%. Amazon rose 1%. AGI was no longer a $135 billion risk for Microsoft. Musk's lawyers spent two years arguing OpenAI was systematically dismantling its mission protections. On the morning their case reached a jury, OpenAI dismantled another one. For six years both sides signed a contract that said AGI was a discrete event with consequences. This week they signed a contract that said it wasn't.

Eternal just announced +169% revenue growth. Everyone clapped. 👏 Nobody did the math. ₹366 Cr profit. ₹2.4 LAKH CRORE market cap. That's a P/E of 655x. Oh and profit is actually down 30% vs last year. 📉 At this rate — you break even in 655 years. 💀 Am I wrong? Tell me below 👇 (Educational only · Not financial advice) #Zomato #Eternal #Investing #India #StockMarket

@CryptooIndia Nvidia locking 7.6 lakh sq ft = long-term bet on Bengaluru. Expect ORR/Whitefield rents up, vacancies down. Jobs → salaries → housing demand — real estate follows. BLR isn’t peaking — it’s compounding.

JUST IN: 🇮🇳NVIDIA leases 7.6 lakh sq ft office space in Bengaluru for 10 years in a ₹1,230 crore deal.

@CaVivekkhatri ATF taxed like a luxury good in India. Zero-rated in most countries. Every oil spike becomes an existential threat here because of that one policy gap. Govt will step in — but reactively, as always. Question is how much damage happens before they do ?

Indian Aviation in Crisis 🚨 FIA (Air India, IndiGo, SpiceJet) has sent an SOS to the Govt: airlines are under extreme stress & on the verge of shutting operations. ATF prices surged ~₹75/litre on international routes, driving fuel costs to nearly 60% of total expenses. Urgent plea: temporarily suspend excise duty on ATF to avoid network cuts, grounding & cancellations. Should the government suspend excise duty on ATF immediately? What's your take? #IndianAviation #ATFCrisis

Indian aviation just sent an SOS to the govt. Air India, IndiGo & SpiceJet warn they’re on the verge of shutdown. Here’s the decode 👇 Jet fuel (ATF) is 35-40% of an airline’s cost in India — roughly 2x what US carriers pay. The 11% excise duty makes it worse when oil spikes. No escape. Then Dubai capped foreign airlines to just 1 flight/day due to Iran tensions. IndiGo lost ~481 planned flights. Air India lost 750+. Peak summer season — gone. SpiceJet is at ~4% market share and bleeding. IndiGo slipping. Airlines already paid ₹24cr+ in cancellation penalties. And now the govt wants 60% free seat selection on top. Fuel taxes up. Dubai routes gutted. Revenue squeezed from every side. All at once. This isn’t mismanagement — it’s a perfect storm hitting the industry that flies 15 crore Indians a year. If IndiGo has to cut big tomorrow, what happens to your fares, your city’s connectivity, and jobs? Most haven’t thought this through. What do you think — will the govt step in with real relief? 👇 #IndianAviation #Decode #Business

@SahilExec The "saying that'll take 3 days and meaning it" one hits different. Most underrated skill in any room full of PMs.

Things that actually make a backend engineer valuable in 2026: • Knowing when NOT to use microservices • Writing code the next dev won't hate • Reading logs without panicking • Saying "that'll take 3 days" and meaning it • Designing APIs that don't break every client update • Asking "do we actually need this feature?" out loud • Handling prod incidents without waking the whole team • Documenting things no one asked you to AI can generate the code. It can't replace the judgment. That's still yours.

$2 billion. 9 months. One regulatory review. Here's how China just unwound the cleanest AI exit in history. Here's the full timeline of how a $2B exit died in 72 hours: March 2025 — Manus launches. AI agent platform. Waitlist explodes to 2M+ users in days. Invite codes reselling at $1,400. Mid 2025 — Revenue hits $90M+ run-rate. Founders quietly shift HQ from Beijing → Singapore. Onboard US investors. Smart move on paper. December 2025 — Meta acquires Manus for ~$2B. Integration begins. Staff moves into Meta's Singapore offices. Some investors already got paid. Looked like the cleanest exit in AI history. March 2026 — Chinese regulators open a review. Both co-founders — CEO Xiao Hong and chief scientist Ji Yichao — are barred from leaving China. April 27, 2026 — Deal officially killed. Cited: foreign investment violations + strategic AI talent drain to the US. The kicker? The company had already moved. Investors had already received proceeds. Didn't matter. One regulation review. Two founders barred from leaving China. Deal dead. No courts. No appeals. No timeline given. Are Indian AI founders thinking about this? Or are we assuming "India is not China" and moving on? Drop your thoughts below. 👇 #DecodeAI #IndianStartups #Manus #AIPolicy #StartupIndia

Last post: What the hell is a token? Today: How to stop bleeding money on them. Indian founders are quietly leaking lakhs every month. Here are 3 lethal fixes you can do today: 1. Your system prompt is probably 4x fatter than needed Paste it right now → platform.openai.com/tokenizer One founder trimmed his from 1,450 → 340 tokens. Result: ₹3.2 lakh saved per month. Same performance. 2. You’re writing prompts like polite WhatsApp forwards Bad: “Please kindly provide a detailed, helpful response considering all aspects…” Dude, stop. Good: “JSON only. Be direct. Max 2 lines.” → 60-75% fewer tokens. Often better output. 3. You’re not using prompt caching (the biggest sleeping hack) Same company instructions or chat history repeating every call? You’re paying full price every single time. One toggle on Anthropic/OpenAI = up to 90% cheaper on repeated context. Reality check: 10M API calls/month with bloated prompts isn’t a “tech problem.” It’s a CA problem. Building on AI APIs? Drop your use case + rough monthly spend (in ₹) below. I’ll reply with exactly where you’re leaking tokens. #DecodeAI #IndianStartups #LLMCost #TokenOptimization #ChatGPT #Claude