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Postgres is enough for more than we admit

I came across this on Hacker News and felt like I needed to share it with the dev community. The main point is simple: a lot of teams reach for extra databases, queues, search engines, caches, and services before they actually need them. This page lays out where Postgres is usually enough, and where you may actually need something else: https://postgresisenough.dev/ Postgres is not perfect for everything, but it is good enough for a surprising amount of real-world work. The more I build and maintain systems, the more I appreciate boring infrastructure that is easy to debug, monitor, back up, and reason about. This hit a nerve for me because I have seen stacks become harder to operate not because the product needed that complexity, but because the architecture was designed for future scale that never arrived. Curious how others here think about this. Where do you draw the line between “Postgres is enough” and falling into the sprawl trap? submitted by /u/danieltabrizian [link] [留言]

2026-07-10 原文 →
AI 资讯

Show HN: Reviving my 2001 college band with AI

25 years ago, I was approached to join a band called Fading Maize at Ripon College in Wisconsin. We did what we could with what we had. We recorded 3 albums over the next 3 years and played at as many bars and coffee shops as we could. We built a website with Microsoft Frontpage. Then we all went our separate ways, got married, had kids, focused on other things. Earlier this year I had the idea to approach the lead singer who wrote all of the lyrics and melodies to the stuff we played back then

2026-07-10 原文 →
AI 资讯

26 AI Models Compared: A 2026 Cost Guide (GPT-4o vs Claude vs DeepSeek vs Local)

canonical_url: https://quantumflow-ai-ecosystem.vercel.app/blog/26-ai-models-compared-2026-cost-guide date: 2026-07-09T10:00:00Z If you're building an AI-powered application in 2026, you have a problem: there are too many models to choose from. OpenAI has GPT-4o. Anthropic has Claude 3.5 Sonnet. Google has Gemini 1.5 Pro. Meta has Llama 3.1. And then there's DeepSeek, Mistral, Cohere, and a dozen others. Most developers solve this by defaulting to GPT-4o for everything. It's the safe choice — powerful, well-documented, and reliable. But it's also expensive: $2.50 per million input tokens, $10.00 per million output tokens. If you're processing 10 million tokens a day, that's $75+ per day, $2,250+ per month. But here's the secret: most of your requests don't need GPT-4o. In this guide, we'll compare 26 AI models across three dimensions — cost, quality, and speed — and show you how intelligent routing can cut your AI bill by up to 90% without changing a single line of your application code. The 2026 AI Model Landscape The AI model market has fragmented into three tiers. Understanding these tiers is the foundation of any cost optimization strategy. Tier 1: Sovereign Local Models (Free, Priority 100-110) These models run on your own hardware (or your users' hardware) via runtimes like Ollama. They cost $0 per token. They're sovereign — no data leaves your infrastructure. They're fast (no network round-trip). And they're getting remarkably good. Model Parameters Context Best For Cost Llama 3.1 70B (Local) 70B 128K Complex reasoning, code $0 Llama 3.1 8B (Local) 8B 128K General chat, fast responses $0 Mistral 7B (Local) 7B 32K Efficient European-language tasks $0 DeepSeek Coder (Local) 6.7B 16K Code generation & completion $0 GLM-4 9B Chat (Local) 9B 128K Bilingual (EN/ZH) chat $0 Llama 3.2 3B (Local) 3B 128K Edge devices, mobile $0 Llama 3.2 1B (Local) 1B 128K Ultra-lightweight tasks $0 CodeLlama 7B (Local) 7B 16K Legacy code tasks $0 GLM-4V 9B Vision (Local) 9B 128K Loca

2026-07-10 原文 →