VelsTech SolutionsTechnology explained for everyone – plain-language guides, free tools and real experiments, from choosing a first PC to understanding AI.https://velstech.net/2026-10-18T00:00:00ZVelmurugan PonrajMuse Spark Open: Meta's 816B open-weights modelhttps://velstech.net/muse-spark-open2026-10-17T00:00:00Z2026-10-17T00:00:00ZMeta's 816B open-weights Muse Spark Open explained: 42B active, 1M context, the license's $20M hosting gate, and the 493GB rig it takes to run.NVIDIA RTX Spark laptops: N1X specs, prices, benchmarks, explainedhttps://velstech.net/rtx-spark-laptops2026-10-16T00:00:00Z2026-10-16T00:00:00ZRTX Spark laptops launch Oct 16 from $2,599: N1X pairs Blackwell RTX graphics with a Grace CPU and up to 128GB unified memory. Specs and the catch.Tesla Roadster 2028: Performance, Thrust and Rocket variants, explainedhttps://velstech.net/tesla-roadster-20282026-10-16T00:00:00Z2026-10-16T00:00:00ZTesla unveiled the next-gen Roadster with SpaceX cold-gas thrusters: three variants, a sub-one-second 0-60 claim, 2028 production target. Specs and deposits.GMKtec Evo-X5 Pro: 192GB Ryzen AI Max+ PRO 495 mini PC, explainedhttps://velstech.net/gmktec-evo-x5-pro2026-10-13T00:00:00Z2026-10-13T00:00:00ZGMKtec Evo-X5 Pro: Ryzen AI Max+ PRO 495 mini PC with 192GB unified memory and 160GB shared VRAM for $6,799. Specs, price, Linux notes, verdict.Muse Wonder: Meta's frontier agent model, explainedhttps://velstech.net/muse-wonder2026-10-12T00:00:00Z2026-10-18T00:00:00ZMeta's Muse Wonder hits the API at $4/$20 per million tokens; Wonder Full stays Muse Code-only. Benchmarks, Active Memory/Focus, and the honest read.Claude Haiku 5.5: benchmarks, pricing, what's newhttps://velstech.net/claude-haiku-5-52026-10-07T00:00:00Z2026-10-07T00:00:00ZClaude Haiku 5.5 (Oct 7, 2026): Anthropic's fastest, cheapest model — $0.10/$0.50 per 1M (≤100k), 39.2% Terminal-Bench, 1620 GDPval-AA, adjustable effort, fits Claude stack.How to Make Your Resume ATS-Friendlyhttps://velstech.net/ats-friendly-resume-guide2026-10-07T00:00:00Z2026-10-07T00:00:00ZGet past resume robots: what ATS software actually parses, the rules that matter, and a free in-browser checker with job-description matching.GPT-6.1 Sol: near-Astra smarts at one-fifth the pricehttps://velstech.net/gpt-6-1-sol2026-10-03T00:00:00Z2026-10-03T00:00:00ZGPT-6.1 Sol (Sept 29, 2026) matches Astra on coding at $2/$10 with $0.10 cache. Benchmarks, effort levels, 272K billing cliff, Sol vs Astra picks.DGX Spark 64GB: NVIDIA's cheaper AI desktop, explainedhttps://velstech.net/dgx-spark-64gb2026-10-03T00:00:00Z2026-10-03T00:00:00Z64GB DGX Spark lands Oct 23 at $4,999 with the same GB10 chip and 100B-parameter inference. Specs vs 128GB, what fits, India price, who should buy.Gemini 4 Argon: Google's defender-first frontier modelhttps://velstech.net/gemini-4-argon2026-10-01T00:00:00Z2026-10-01T00:00:00ZGoogle's Gemini 4 Argon rolls out to trusted cyber defenders first, with a 1M-token output limit and frontier coding and security scores.Claude Sonnet 5.5: benchmarks, pricing, what's newhttps://velstech.net/claude-sonnet-5-52026-09-29T00:00:00Z2026-09-29T00:00:00ZClaude Sonnet 5.5 released Sept 28, 2026: 70.6% Terminal-Bench, pricing ($2 input / $10 output), model ID claude-sonnet-5-5, 30% faster output, safety and where to use it.Muse: Meta's personal AI agent, explainedhttps://velstech.net/meta-muse2026-09-24T00:00:00Z2026-10-17T00:00:00ZMeta launched Muse on Sept 8, 2026: a personal AI agent on a Secure VM, powered by Muse Spark 1.3. Features, pricing, US-only availability, the Spark and Glimmer model family, API prices, and local-AI takeaways.Claude Opus 5.5: benchmarks, pricing, what's newhttps://velstech.net/claude-opus-5-52026-09-24T00:00:00Z2026-09-24T00:00:00ZClaude Opus 5.5 released Sept 22, 2026: benchmarks vs Opus 5, Fable 5.1 and GPT-6 Astra, pricing ($4 input / $20 output), 1M context, model ID claude-opus-5-5, speed, safety and where to use it.Local AI vs Cloud API: True Cost Comparison (2026)https://velstech.net/local-ai-vs-cloud-cost2026-09-22T00:00:00Z2026-09-22T00:00:00ZWhen does a local GPU beat cloud APIs? Worked break-even math for chat, coding agents and automation using real per-token prices vs hardware costs.LLM Hardware Requirements Checklist: VRAM, RAM, CPU & PSUhttps://velstech.net/llm-hardware-requirements2026-09-22T00:00:00Z2026-09-22T00:00:00ZWill an LLM run on your machine? VRAM by model size, system RAM, CPU, SSD and PSU checklist for running 7B-70B models locally, with calculator links.Xiaomi MiMo V2.6 Pro and Flash: 1M-context open weightshttps://velstech.net/mimo-v2-62026-09-22T00:00:00Z2026-09-22T00:00:00ZXiaomi open-sourced MiMo V2.6 Pro (1T) and Flash (309B) on Sept 21, 2026: 1M omnimodal context, RL trained live in public, AA Index 46.32, DeepSWE 72.6%. Pro vs Flash vs UltraSpeed prices, benchmarks and local-AI takeaways.Grok 4.7: xAI's 2.1T SpaceX-trained flagship, explainedhttps://velstech.net/grok-4-72026-09-22T00:00:00Z2026-09-22T00:00:00ZxAI shipped Grok 4.7 on Sept 21, 2026: 2.1T params, SpaceX-data training, 500K context, $2/$6 pricing, DeepSWE 71% and AA Coding Index 56. What improved, what didn't, and what it means for local AI.Suggest agent skills with Jev: rank, verify, load onehttps://velstech.net/jev-skill-suggestion2026-09-20T00:00:00Z2026-09-20T00:00:00ZTypeSafe skill-suggestion cookbook: Choice ranking over 182 skills plus Noul gates cuts wrong skill loads 16.8% to 7.3% and needless loads 9.8% to 4.0%.Filter RAG passages with Jev: 4 Nouls before generationhttps://velstech.net/jev-rag-passage-gate2026-09-20T00:00:00Z2026-09-20T00:00:00ZTypeSafe RAG cookbook: score each retrieved passage for relevance, evidence, contradiction and injection, route in code — the planted injection scores 0.99 and never reaches the prompt.Dates with Jev: extract parts as Choices, resolve in codehttps://velstech.net/jev-date-extraction2026-09-20T00:00:00Z2026-09-20T00:00:00ZTypeSafe date-extraction cookbook: 7 Choice questions read a date's parts off the text, code resolves absolute and relative dates with confidence gating — 6/6 on the demo set.Jev 1.13 jaggedness: 9 failure modes and what to do insteadhttps://velstech.net/jev-1-13-jaggedness2026-09-20T00:00:00Z2026-09-20T00:00:00ZJev 1.13 is fast and calibrated but literal: 9 known jagged edges from TypeSafe docs — counting, dates, indirection, large state — and the code-first fixes that avoid them.Ternary-Bonsai-2-27B on RX 6800M: PTQ1_0 vs PQ2_0https://velstech.net/ternary-bonsai-2-27b-rx6800m2026-09-19T00:00:00Z2026-09-19T00:00:00ZTested Ternary-Bonsai-2-27B ternary quants on a 12GB RX 6800M – stock llama.cpp rejects type 143/142, Prism fork + gfx1031 source build fixes it, PQ2_0 decodes 32.8 tok/s vs PTQ1_0 18.8 tok/s.Spark-X2.5 4B on RX 6800M: BF16 vs Q8_0 vs Q4_K_Mhttps://velstech.net/spark-x2-5-quants-rx6800m2026-09-13T00:00:00Z2026-09-13T00:00:00ZThree quants of Spark-X2.5 4B side by side on a 12 GB RX 6800M: Q8_0 wins prompt eval at 2149 tok/s, Q4_K_M wins decode at 98.5 tok/s with 254K context fit, and BF16 loses a quality task to both.DeepSeek V4.1 Flash: 552B open MoE at quarter pricehttps://velstech.net/deepseek-v4-1-flash2026-09-11T00:00:00Z2026-09-11T00:00:00ZDeepSeek V4.1 Flash is a 552B open-weights MoE with 8B/16B active params, 1M context and native vision – beating V4 Pro on agentic benchmarks at roughly a quarter of the price. Full pricing, benchmarks vs GPT-6 Astra, Claude Fable 5.1 and GLM 5.3, plus what it means for local AI.Claude Fable 5.1: the frontier model left to its workhttps://velstech.net/claude-fable-5-12026-09-09T00:00:00Z2026-09-09T00:00:00ZAnthropic's Claude Fable 5.1 is less about a flashy chat demo and more about reliable, long-running coding and research. Here is what changed, what the benchmarks really say, and who should care.Claude Fable 5.1 vs GPT-6 Astra: a two-way comparisonhttps://velstech.net/claude-fable-5-1-vs-gpt-6-astra2026-09-09T00:00:00Z2026-09-09T00:00:00ZClaude Fable 5.1 and GPT-6 Astra are both frontier cloud models, but they optimize for different kinds of work. A practical comparison of coding agents, computer use, research, price, safeguards, and local-AI implications.“fused Gated Delta Net not supported” on AMD ROCm: fix ithttps://velstech.net/gated-delta-net-rocm-hybrid2026-09-05T00:00:00Z2026-09-22T00:00:00Z"fused Gated Delta Net (chunked) not supported, set to disabled" — if llama.cpp prints this on your AMD GPU, a hybrid-attention model (Qwen3.8, Kimi Linear, Nemotron-H) has lost its fast kernel on ROCm. What the warning means, what it costs in tok/s on an RX 6800M, and three checks to fix it.Qwen3.8 27B GSQ-RCO on RX 6800M: IQ2_XS vs IQ3_Shttps://velstech.net/qwen38-27b-gsq-rco-rx6800m2026-09-04T00:00:00Z2026-09-22T00:00:00ZQwen3.8 27B GSQ-RCO on a 12 GB RX 6800M – IQ2_XS decodes 20.8 tok/s at 52K context vs IQ3_S stuck at 4K, plus fixes for the --fit abort, TOP_K on ROCm, and the fused GDN warning.GPT-6 Astra: OpenAI's new frontier model, explainedhttps://velstech.net/gpt-6-astra2026-09-04T00:00:00Z2026-09-04T00:00:00ZOpenAI launched GPT-6 Astra today. The benchmark numbers that matter, the honest caveats, the pricing – and what it means if you run local AI on AMD hardware.Tiel-Coder 35B-A3B on RX 6800M: MTP vs non-MTPhttps://velstech.net/tiel-coder-35b-mtp-rx6800m2026-09-01T00:00:00Z2026-09-01T00:00:00ZTested Tiel-Coder-35B-A3B Q4_K_XL on RX 6800M – MTP speculative decoding at 29.09 tok/s vs 25.39 tok/s without MTP, at 262K q8 KV, 28-32 CPU experts, ROCm 10.0.ROCm vs Vulkan on AMD: faster backend for local AI?https://velstech.net/rocm-vulkan-amd-guide2026-08-30T00:00:00Z2026-09-22T00:00:00ZROCm vs Vulkan on AMD GPUs for local AI – what each backend is, which to choose, how to install, and real benchmark results on the RX 6800M.Run LLMs on Mac: Apple Silicon Guide (M1–M4, Memory, Metal)https://velstech.net/apple-silicon-llm-guide2026-08-30T00:00:00Z2026-09-22T00:00:00ZRun LLMs on Mac: how M1/M2/M3/M4 Apple Silicon runs local AI, what unified memory means, which Mac fits which model, and how to get started with Metal.RAG from scratch: ask questions about your own documentshttps://velstech.net/rag-from-scratch2026-08-30T00:00:00Z2026-08-30T00:00:00ZWhat RAG is, how it works, and a working local example – build a private question-answering system over your own files with an LLM and embeddings.Quantization: how Q4, Q5 and Q8 change quality, speedhttps://velstech.net/quantization-deep-dive2026-08-30T00:00:00Z2026-08-30T00:00:00ZHow quantization levels (Q4, Q5, Q8) affect LLM quality, size, and speed – with real numbers and practical advice for local AI.KV cache explained: why context windows eat memoryhttps://velstech.net/kv-cache-explained2026-08-30T00:00:00Z2026-08-30T00:00:00ZWhy longer context windows eat memory, how the key-value cache grows with tokens, and how to calculate it for your own GPU.Flash Attention & speculative decoding: faster LLMshttps://velstech.net/flash-attention-guide2026-08-30T00:00:00Z2026-08-30T00:00:00ZHow Flash Attention and speculative decoding make LLMs faster and use less memory – and why they matter for running models locally.GGUF explained: the format that makes local LLMs workhttps://velstech.net/gguf-explained2026-08-30T00:00:00Z2026-08-30T00:00:00ZGGUF is the file format that makes running LLMs locally possible. Here's what it is, what quantization levels mean, and how to pick the right one for your hardware.How to Run llama.cpp Locally – Install, GPU & GGUF Guidehttps://velstech.net/llama-cpp-guide2026-08-30T00:00:00Z2026-09-22T00:00:00ZHow to run llama.cpp: build from source on Linux, macOS and Windows, run your first GGUF model, enable CUDA/ROCm/Vulkan GPU offload, and read tok/s benchmark output.How to get started with local AI (2026)https://velstech.net/how-to-get-started-local-ai2026-08-29T00:00:00Z2026-08-29T00:00:00ZHow to get started with local AI in 2026 – pick the right hardware, install Ollama, download a model, and run it on your own machine. No cloud, no subscription, no jargon.DGX Spark vs RTX Spark vs Ryzen AI Halo: desktop showdownhttps://velstech.net/dgx-spark-rtx-spark-ryzen-ai-halo2026-08-29T00:00:00Z2026-08-29T00:00:00ZNVIDIA DGX Spark, NVIDIA RTX Spark, and AMD Ryzen AI Max (Strix Halo) – three ways to run local AI in 2026. Specs, what each is for, and which one you should buy.Best GPU for running LLMs locally (2026)https://velstech.net/best-gpu-for-local-llm2026-08-27T00:00:00Z2026-09-22T00:00:00ZThe best GPUs for running LLMs locally in 2026 – RTX vs Radeon, how much VRAM you really need, and what actually matters for llama.cpp and Ollama.How much VRAM do you need for 7B, 14B, and 32B models?https://velstech.net/how-much-vram-for-llm2026-08-27T00:00:00Z2026-08-27T00:00:00ZVRAM needed for 7B, 14B, and 32B LLMs – weights, quantization, KV cache, and context length, with a quick-reference table.Best GPU for AI under ₹50,000 (India, 2026)https://velstech.net/best-gpu-ai-under-500002026-08-27T00:00:00Z2026-08-27T00:00:00ZThe best GPUs for AI under ₹50,000 in India – which cards actually fit the budget and can run local LLMs, with VRAM per rupee compared.Xiaomi AI Cube: the mini desktop built for local AIhttps://velstech.net/xiaomi-ai-cube2026-08-27T00:00:00Z2026-08-27T00:00:00ZXiaomi's AI Cube is a small desktop with a big NPU – made to run LLMs locally. Here's what it is, what's inside, and whether it's worth buying.Qwen3.8 Flash Next: Alibaba's new fast reasoning modelhttps://velstech.net/qwen3-8-flash-next2026-08-27T00:00:00Z2026-09-22T00:00:00ZQwen3.8 Flash Next is Alibaba's newest reasoning model – faster, cheaper, and smarter. Here's what changed, how it performs, and how it compares.GLM 5.3: what's new in Zhipu AI's latest modelhttps://velstech.net/glm-5-32026-08-27T00:00:00Z2026-08-27T00:00:00ZGLM 5.3 is Zhipu AI's newest update – stronger reasoning, better coding, and competitive pricing. Here's what's new and who it's for.Qwen 27B Ridge 3.7bpw on RX 6800M: ROCm vs Vulkanhttps://velstech.net/qwen-27b-ridge-rocm-vs-vulkan2026-08-27T00:00:00Z2026-08-27T00:00:00ZTested Qwen 27B Ridge at 3.7bpw on a 12GB RX 6800M – ROCm 18.1 tok/s vs Vulkan 21.8 tok/s decode at 16K, with prompt-eval tradeoffs and VRAM fit.Ornith 35B MoE at 262K on RX 6800M: ROCm vs Vulkanhttps://velstech.net/ornith-35b-moe-262k-rocm-vs-vulkan2026-08-27T00:00:00Z2026-08-27T00:00:00ZTested Ornith 1.5 35B-A3B MoE at 262K on RX 6800M – ROCm 25.6 tok/s vs Vulkan 19.6 tok/s decode, 83 tok/s prompt, with 28 CPU experts and q8 KV.MoE vs Dense on RX 6800M: 3B vs 27B at 16K/262Khttps://velstech.net/moe-vs-dense-rx6800m-16k-vs-262k2026-08-27T00:00:00Z2026-08-27T00:00:00ZSame RX 6800M 12GB – Ornith 35B MoE (3B active, 262K) vs Qwen 27B dense (27B, 16K) at q8 KV, ROCm vs Vulkan head-to-head.Omarchy: the beautiful, opinionated Linux distrohttps://velstech.net/omarchy2026-08-26T00:00:00Z2026-08-26T00:00:00ZThe Arch-based distro made by DHH of Basecamp – beautiful, opinionated, terminal-first. Here's what it is, why it's trending, and whether you should try it.What is machine learning, really?https://velstech.net/what-is-machine-learning2026-08-25T00:00:00Z2026-09-04T00:00:00ZA plain-language look at what learning from data actually means – training, models, and prediction – without the jargon.Installing ROCm on Ubuntu for Radeon GPUshttps://velstech.net/install-rocm-ubuntu2026-08-25T00:00:00Z2026-08-25T00:00:00ZStep-by-step guide to installing ROCm 7.14 on Ubuntu 26.04 for AMD Radeon (RDNA2/RDNA3) GPUs – from apt setup to rocminfo verification.Installing PyTorch with ROCm on Radeon GPUshttps://velstech.net/install-pytorch-rocm-ubuntu2026-08-25T00:00:00Z2026-08-25T00:00:00ZStep-by-step guide to installing PyTorch with ROCm support on Ubuntu for AMD Radeon (RDNA2) GPUs – venv setup, pip install, and GPU verification.Apple's new Mac desktops: Studio M5 Max/Ultra, mini M6https://velstech.net/new-mac-desktops2026-08-25T00:00:00Z2026-09-24T00:00:00ZMac Studio (M5 Max/Ultra) and Mac mini (M6/M5 Pro) are on sale now – the Mac Studio with M5 Max and M5 Ultra, plus the Mac mini with M6 and M5 Pro. Here's what changed and which one is yours.What is a Large Language Model, really?https://velstech.net/what-is-an-llm2026-08-24T00:00:00Z2026-08-24T00:00:00ZA plain-language look at how LLMs work under the hood – tokens, context, and probabilities – without the jargon.How to write better promptshttps://velstech.net/better-prompts2026-08-24T00:00:00Z2026-08-24T00:00:00ZPractical prompting patterns that get better answers from ChatGPT, Claude, and similar tools.Local vs cloud AI: which should you choose?https://velstech.net/local-vs-cloud-ai2026-08-24T00:00:00Z2026-09-04T00:00:00ZPrivacy, cost, and capability – a comparison of running models on your own hardware versus cloud APIs.How to choose parts for your first PC buildhttps://velstech.net/first-pc-build2026-08-24T00:00:00Z2026-09-04T00:00:00ZA beginner-friendly guide to picking a CPU, GPU, RAM, and storage that actually match how you'll use the PC.CPU vs GPU: what does each one do?https://velstech.net/cpu-vs-gpu2026-08-24T00:00:00Z2026-09-04T00:00:00ZBreaking down the two most important components in your machine and when each one matters most.SSD vs HDD: the upgrade that changes everythinghttps://velstech.net/ssd-vs-hdd2026-08-24T00:00:00Z2026-09-04T00:00:00ZWhy an SSD makes an old computer feel new again, and how to pick the right drive and size.Linux for beginners: getting startedhttps://velstech.net/linux-beginners2026-08-24T00:00:00Z2026-08-24T00:00:00ZPicking a distro, installing it, and surviving your first week without breaking anything.Essential terminal commands everyone should knowhttps://velstech.net/terminal-commands2026-08-24T00:00:00Z2026-08-24T00:00:00ZNavigation, files, permissions, and package management – the commands you'll use every single day.Windows vs Linux: when to use whichhttps://velstech.net/windows-vs-linux2026-08-24T00:00:00Z2026-09-04T00:00:00ZAn honest comparison of the two for daily use, gaming, and development work.How does the internet actually work?https://velstech.net/how-internet-works2026-08-24T00:00:00Z2026-09-04T00:00:00ZA straightforward walkthrough of IP addresses, DNS, and routing – the basics that make the internet tick.Setting up a domain and pointing it anywherehttps://velstech.net/setup-domain2026-08-24T00:00:00Z2026-08-24T00:00:00ZHow to buy a domain, configure DNS records, and connect it to GitHub Pages, a VPS, or a home server.Self-hosting 101: what can you run at home?https://velstech.net/self-hosting-1012026-08-24T00:00:00Z2026-08-24T00:00:00ZFrom a media server to a personal cloud – services you can run on a Raspberry Pi or old laptop.The only 5 security habits you really needhttps://velstech.net/security-habits2026-08-24T00:00:00Z2026-08-24T00:00:00ZPasswords, two-factor authentication, updates, backups, and skepticism – the checklist that covers most risks.Password managers: why you need onehttps://velstech.net/password-managers2026-08-24T00:00:00Z2026-09-04T00:00:00ZHow a password manager works, what to look for, and why reusing passwords is the biggest risk most people have.Spotting phishing attemptshttps://velstech.net/spotting-phishing2026-08-24T00:00:00Z2026-09-04T00:00:00ZReal examples of fake emails and messages, and the red flags that give them away before you click.How to start learning to code in 2026https://velstech.net/learn-to-code2026-08-24T00:00:00Z2026-09-04T00:00:00ZA realistic roadmap – pick a language, build tiny projects, and avoid the tutorial trap.HTML vs CSS vs JavaScript: beginner guide with exampleshttps://velstech.net/html-css-js2026-08-24T00:00:00Z2026-09-22T00:00:00ZHTML vs CSS vs JavaScript – what each one does, how they differ, and how the three fit together on every website. A plain-language beginner guide with examples.Version control with Git for complete beginnershttps://velstech.net/git-beginners2026-08-24T00:00:00Z2026-08-24T00:00:00ZWhy every developer uses Git, and the handful of commands that cover 90% of daily work.