Aman Kumar (Aman AI) https://amankumar.ai Projects, apps, and practical AI engineering notes from Aman Kumar. en Fri, 18 Sep 2026 00:00:00 GMT Testing Jev on public and private data: classifier or filter? https://amankumar.ai/blogs/jev-measured https://amankumar.ai/blogs/jev-measured Fri, 18 Sep 2026 00:00:00 GMT Jev only answers yes/no or pick-one. 16,000 calls: against gpt-5.4-mini and gpt-5.6-luna on four public datasets, then on a few thousand real pipeline decisions. Where it wins, where it breaks, how to use it. Sri Lanka Itinerary: 5 Days, Kandy, Nuwara Eliya and Bentota https://amankumar.ai/blogs/sri-lanka-itinerary https://amankumar.ai/blogs/sri-lanka-itinerary Sat, 12 Sep 2026 00:00:00 GMT Our route through Kandy, Nuwara Eliya and Bentota in January 2024. Where we stayed and how we got between them. Universe Theories, From the Big Bang to the Dark Forest https://amankumar.ai/blogs/universe-theories https://amankumar.ai/blogs/universe-theories Mon, 31 Aug 2026 00:00:00 GMT Thirty-one ideas about how the universe began, what it is made of, whether it is the only one, why space looks empty, and how it ends. Why AI Keeps Writing "Source-Backed" Into Your Copy https://amankumar.ai/blogs/why-ai-writes-source-backed-into-your-copy https://amankumar.ai/blogs/why-ai-writes-source-backed-into-your-copy Sun, 30 Aug 2026 00:00:00 GMT Ask a model for one headline and it never happens. Ask for ten options, which is what everyone actually does, and a quarter of analytical products hand you one about sources. APIs From Zero: HTTP, REST, SOAP, GraphQL and gRPC https://amankumar.ai/blogs/apis-from-zero-http-rest-soap-graphql-grpc https://amankumar.ai/blogs/apis-from-zero-http-rest-soap-graphql-grpc Sun, 30 Aug 2026 00:00:00 GMT A ground-up map of HTTP, REST, SOAP, WSDL, XSD, GraphQL, gRPC and WebSockets: what each one is, what it sends, and how it tells you what it can do. India Is Behind on Compute and Arguing About Water https://amankumar.ai/blogs/india-behind-on-compute https://amankumar.ai/blogs/india-behind-on-compute Fri, 28 Aug 2026 00:00:00 GMT The data centre panic in India is mostly imported, and the number at the centre of it is wrong. We Scraped a COVID Helpline Out of WhatsApp https://amankumar.ai/blogs/covid-helpline https://amankumar.ai/blogs/covid-helpline Tue, 11 Aug 2026 00:00:00 GMT An NGO helpline number flooded one employee's personal phone in April 2021. Three of us spent an evening turning it into a queue. 297 people over sixteen days. 16 Days in Bali https://amankumar.ai/blogs/bali-16-days https://amankumar.ai/blogs/bali-16-days Tue, 11 Aug 2026 00:00:00 GMT Sixteen nights across Canggu, Ubud, Gili Trawangan and Seminyak in mixed dorms, working through parts of it. Where I stayed, what I did, and what it cost. Good Reads https://amankumar.ai/blogs/good-reads https://amankumar.ai/blogs/good-reads Mon, 27 Jul 2026 00:00:00 GMT The books I keep going back to, and what each one changed for me. Mostly psychology, product and design. Ladakh Itinerary: 10 Days, Leh to Srinagar https://amankumar.ai/blogs/ladakh-itinerary https://amankumar.ai/blogs/ladakh-itinerary Mon, 20 Jul 2026 00:00:00 GMT Our day by day Ladakh route through Pangong, Hanle, Umling La, Lamayuru, Drass and Sonmarg. What we did, what it cost, and what we got wrong. Shooting the Milky Way on an iPhone in Ladakh https://amankumar.ai/blogs/iphone-astrophotography-ladakh https://amankumar.ai/blogs/iphone-astrophotography-ladakh Mon, 20 Jul 2026 00:00:00 GMT iPhone 16 Pro Max, a tripod and 30 second exposures at Pangong and Hanle. What a phone actually gets you under a Bortle 1 sky, and what it doesn't. How to Register a Pvt Ltd Company in India, the Right Way https://amankumar.ai/blogs/how-to-register-private-limited-company-india https://amankumar.ai/blogs/how-to-register-private-limited-company-india Thu, 25 Jun 2026 00:00:00 GMT A founder's plain-English guide to registering a Private Limited company in India, plus the auditor and Form 20-A deadlines that catch first-timers. Setting Up Mac for Development [May 2026] https://amankumar.ai/blogs/setup-new-mac-tools-2026 https://amankumar.ai/blogs/setup-new-mac-tools-2026 Mon, 18 May 2026 00:00:00 GMT The current toolkit and the AI coding stack I'd put on a fresh Mac today. A year after my 2025 setup. The difference between using AI and giving it a job. https://amankumar.ai/blogs/giving-ai-a-job https://amankumar.ai/blogs/giving-ai-a-job Tue, 12 May 2026 00:00:00 GMT On working with an AI coworker. Four humans, one AI, and the math that changed when she joined. Roko's Basilisk: The Thought Experiment Gilfoyle Mentions in Silicon Valley https://amankumar.ai/blogs/the-thought-experiment-gilfoyle-mentions-in-silicon-valley https://amankumar.ai/blogs/the-thought-experiment-gilfoyle-mentions-in-silicon-valley Wed, 25 Mar 2026 00:00:00 GMT Roko's Basilisk, the strange philosophical idea from Silicon Valley that suggests a future AI might judge whether you helped create it. Patience, Persistence, Consistency https://amankumar.ai/blogs/patience-persistence-consistency https://amankumar.ai/blogs/patience-persistence-consistency Wed, 25 Mar 2026 00:00:00 GMT Most people chase intensity. The real game is quieter. 15 Golden Responses to "Tell Me About a Time You Failed" https://amankumar.ai/blogs/15-golden-responses-to-tell-me-about-a-time-you-failed https://amankumar.ai/blogs/15-golden-responses-to-tell-me-about-a-time-you-failed Tue, 17 Mar 2026 00:00:00 GMT Most candidates ruin their chances when asked about failure in interviews. These 15 scripted responses turn mistakes into masterclasses by focusing on recovery, lessons learned, and system changes. The Long Flight Test https://amankumar.ai/blogs/the-long-flight-test https://amankumar.ai/blogs/the-long-flight-test Mon, 09 Feb 2026 00:00:00 GMT A simple question that reveals the true weight of our relationships: Would you want to sit next to this person on a long flight? You Are Less in Control Than You Think https://amankumar.ai/blogs/you-are-less-in-control-than-you-think https://amankumar.ai/blogs/you-are-less-in-control-than-you-think Sat, 24 Jan 2026 00:00:00 GMT What neuroscience reveals about choice, behavior, and the illusion of free will. The Complete Guide to UI/UX Onboarding: Research-Backed Best Practices https://amankumar.ai/blogs/complete-guide-to-ui-ux-onboarding-research-backed-best-practices https://amankumar.ai/blogs/complete-guide-to-ui-ux-onboarding-research-backed-best-practices Thu, 08 Jan 2026 00:00:00 GMT A deep, structured, research-anchored dive into UI/UX onboarding that synthesizes current best practices, psychology insights, expert research, and real product examples. Part 4: From Retrieved Context to a Grounded Answer https://amankumar.ai/blogs/embeddings-part-4 https://amankumar.ai/blogs/embeddings-part-4 Sun, 04 Jan 2026 00:00:00 GMT Why good retrieval still produces bad answers, and where most systems actually fail Part 3: Retrieval Is Not Top-K https://amankumar.ai/blogs/embeddings-part-3 https://amankumar.ai/blogs/embeddings-part-3 Sun, 04 Jan 2026 00:00:00 GMT Relevance, diversity, reranking, and why most systems return the wrong things for the right reasons Part 2: How Embeddings Actually Work in Practice https://amankumar.ai/blogs/embeddings-part-2 https://amankumar.ai/blogs/embeddings-part-2 Sun, 04 Jan 2026 00:00:00 GMT Chunking, dimensions, and the knobs that decide whether retrieval works Embeddings: Turning Meaning Into Geometry https://amankumar.ai/blogs/embeddings-part-1 https://amankumar.ai/blogs/embeddings-part-1 Sun, 04 Jan 2026 00:00:00 GMT A practical mental model for understanding embeddings, how they work, and why they matter for AI engineers The Yearly Review (Simple + Actually Useful) https://amankumar.ai/blogs/yearly-review https://amankumar.ai/blogs/yearly-review Thu, 01 Jan 2026 00:00:00 GMT A simple yearly self-review framework that's easy to do, easy to repeat, and easy to look back on later. No journal habit or fancy tracking required. My 2025: shipping, signal, and a few uncomfortable rules https://amankumar.ai/blogs/year-in-review-2025 https://amankumar.ai/blogs/year-in-review-2025 Thu, 01 Jan 2026 00:00:00 GMT A candid review of 2025 into 2026. WTF is Tokenization? https://amankumar.ai/blogs/wtf-is-tokenization https://amankumar.ai/blogs/wtf-is-tokenization Mon, 29 Dec 2025 00:00:00 GMT Everything you need to know about how LLMs break text into tokens - and why it explains most of their weird behaviors. Building Agent Skills from Scratch https://amankumar.ai/blogs/implementing-agent-skills https://amankumar.ai/blogs/implementing-agent-skills Tue, 23 Dec 2025 00:00:00 GMT How agent skills actually work under the hood - discovery, activation, and execution explained with practical implementation insights. Same model, different results across providers: routing, quant, fallbacks, wrappers (and a debugging checklist) https://amankumar.ai/blogs/same-model-different-results-across-providers-routing-quant-fallbacks https://amankumar.ai/blogs/same-model-different-results-across-providers-routing-quant-fallbacks Sun, 21 Dec 2025 00:00:00 GMT Why the same model name can behave differently across providers, covering routing layers, quantization differences, fallbacks, and hidden wrappers with a practical debugging checklist. LLM Bit-Rates & Quantization: 32 vs 16 vs 8 vs 4 (what changes, what doesn't) https://amankumar.ai/blogs/llm-bit-rates-quantization-32-vs-16-vs-8-vs-4 https://amankumar.ai/blogs/llm-bit-rates-quantization-32-vs-16-vs-8-vs-4 Sun, 21 Dec 2025 00:00:00 GMT Understanding how bit-rates and quantization shape LLM deployment, from precision trade-offs to practical quantization methods like GPTQ, AWQ, and SmoothQuant.