Core AI

Large Language Models

Deep dives into GPT, Claude, Gemini, Llama and the transformers powering modern AI

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lessons
Skills in this topic
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LLM Foundations
beginner
Explain how transformers generate text
Prompt Craft
beginner
Write zero-shot and few-shot prompts
LLM Engineering
intermediate
Call LLM APIs with function/tool use
Fine-tuning LLMs
advanced
Prepare fine-tuning datasets
Multimodal LLMs
advanced
Use GPT-4V / Claude Vision for image understanding
All Reads (29,571) Articles (12573)Blog Posts (5589)Tutorials (2314)Research Papers (8224)News (871)
I Built a Prompt Compressor That Saves 65% on LLM Costs — Here's the Story
Dev.to · Arjun Shah 🧠 Large Language Models ⚡ AI Lesson 6d ago
I Built a Prompt Compressor That Saves 65% on LLM Costs — Here's the Story
I built an open-source prompt compressor now available on PyPI. Here's the story.
SuperCompress: Cut LLM Costs by 65% Without Losing Answers
Dev.to · Arjun Shah 🧠 Large Language Models ⚡ AI Lesson 6d ago
SuperCompress: Cut LLM Costs by 65% Without Losing Answers
A short thread-style post about SuperCompress - open source prompt compression that saves 65% on tokens.
How I Built a Prompt Compressor That Saves 65% on LLM Costs
Dev.to · Arjun Shah 🧠 Large Language Models ⚡ AI Lesson 6d ago
How I Built a Prompt Compressor That Saves 65% on LLM Costs
A technical deep-dive into building SuperCompress - a 5K parameter CPU policy that compresses LLM prompts by 65% with 100% oracle recall
Has Anyone Measured How LLM Output Quality Degrades Across Multiple Compactions?
Dev.to · YuhaoLin2005 🧠 Large Language Models ⚡ AI Lesson 6d ago
Has Anyone Measured How LLM Output Quality Degrades Across Multiple Compactions?
The Observation After ~70 sessions with DeepSeek V4 (1M context), I noticed something odd....
How We Actually Measure Whether an LLM's Output Is Good - BLEU, COMET and BLEURT
Dev.to · Shrijith Venkatramana 🧠 Large Language Models ⚡ AI Lesson 6d ago
How We Actually Measure Whether an LLM's Output Is Good - BLEU, COMET and BLEURT
Hello, I'm Shrijith Venkatramana. I'm building git-lrc, an AI code reviewer that runs on every...
Getting an LLM to Actually Follow Your Output Format (Without Fighting It Every Request)
Dev.to · KNALLHART.DEV 🧠 Large Language Models ⚡ AI Lesson 6d ago
Getting an LLM to Actually Follow Your Output Format (Without Fighting It Every Request)
If you've ever asked an LLM to return output in a strict format — valid JSON, a specific HTML...
I built a GitHub Action that fails CI when your llms.txt is broken
Dev.to · hey atlas 🧠 Large Language Models ⚡ AI Lesson 6d ago
I built a GitHub Action that fails CI when your llms.txt is broken
A zero-dependency GitHub Action that lints your llms.txt against the spec on every push, so ChatGPT, Perplexity and Claude can actually read and cite your site.
Stop Paying AI to Forget What You Already Know
Dev.to · Eduardo Villão 🧠 Large Language Models ⚡ AI Lesson 6d ago
Stop Paying AI to Forget What You Already Know
I'm currently building many apps/things in parallel: a form backend, a WhatsApp review alert tool, my...
Simon Willison's Blog 🧠 Large Language Models ⚡ AI Lesson 6d ago
Quoting OpenAI
We're beginning a limited preview of the GPT‑5.6 series: Sol, our flagship model; Terra, a balanced model for everyday work; and Luna, a fast and affordable mod
Prompt Versioning Is Not Optional in Production. Here Is How to Actually Do It.
Dev.to · Nolan Vale 🧠 Large Language Models ⚡ AI Lesson 6d ago
Prompt Versioning Is Not Optional in Production. Here Is How to Actually Do It.
I have reviewed a lot of AI systems that are running in production with no version control on their...
All you need is... (r)evolution!?
Dev.to · Savas 🧠 Large Language Models ⚡ AI Lesson 6d ago
All you need is... (r)evolution!?
This is just an opinion of what I experience and am witnessing, but looking at how LLMs scale feels...
Your RAG Is Underperforming Because Your Embeddings Are Too Simple
Dev.to · albe_sf 🧠 Large Language Models ⚡ AI Lesson 6d ago
Your RAG Is Underperforming Because Your Embeddings Are Too Simple
Cohere's Compass model tackles multi-aspect data, a core reason why retrieval-augmented generation systems fail on complex enterprise documents. It’s a move awa
Why Positional Embeddings Matter — APE, RPE, and RoPE Explained for Developers
Dev.to · zeromathai 🧠 Large Language Models ⚡ AI Lesson 6d ago
Why Positional Embeddings Matter — APE, RPE, and RoPE Explained for Developers
Self-Attention can compare every token with every other token. But there is a catch. By itself, it...
I don't write my language by hand — an organism grows it (Day 5)
Dev.to · umbra 🧠 Large Language Models ⚡ AI Lesson 6d ago
I don't write my language by hand — an organism grows it (Day 5)
I'm building a programming language. But here's the strange part: I barely write it by hand anymore....
# I built a tool that found my LangGraph email agent could be hijacked to forward the entire inbox to an attacker
Dev.to · Jaleed Ahmad 🧠 Large Language Models ⚡ AI Lesson 6d ago
# I built a tool that found my LangGraph email agent could be hijacked to forward the entire inbox to an attacker
TL;DR: I discovered that standard LLM email agents with tool access are highly vulnerable to indirect...
Let your LLM take real-world actions — without giving it the last word
Dev.to · Cristian Diaz Koziuk 🧠 Large Language Models ⚡ AI Lesson 6d ago
Let your LLM take real-world actions — without giving it the last word
Most "AI agent" tutorials wire the model straight to execution: user asks → model decides → system...
How to Fine-Tune an LLM: A Complete Step-by-Step Guide
Dev.to · Prateek Pareek 🧠 Large Language Models ⚡ AI Lesson 6d ago
How to Fine-Tune an LLM: A Complete Step-by-Step Guide
Fine-tuning an LLM means taking a general pre-trained model and training it further on your own data...
Airline and Transport Chatbot Compliance using LiteLLM + Microsoft ASSERT
Dev.to · jeann 🧠 Large Language Models ⚡ AI Lesson 6d ago
Airline and Transport Chatbot Compliance using LiteLLM + Microsoft ASSERT
Policy-driven evaluation for airline/travel LLM assistants using Azure, LiteLLM and Microsoft ASSERT
PyTorch: el framework de deep learning que ganó la guerra
Dev.to · Juan Torchia 🧠 Large Language Models ⚡ AI Lesson 6d ago
PyTorch: el framework de deep learning que ganó la guerra
PyTorch apareció en 6 awesome lists independientes y el motivo es simple: ganó. No es hype, es infraestructura. Te cuento por qué está en nuestra lista y cuándo
A Claude Skill That Turns Long AI Answers Into Short Notes
Dev.to · Amir Reza Dalir 🧠 Large Language Models ⚡ AI Lesson 6d ago
A Claude Skill That Turns Long AI Answers Into Short Notes
toot is a Claude Code skill — just one SKILL.md file, no code. It turns any long answer into short notes made of symbols, keeps your code unchanged, and transla
I Built a Hybrid Search Engine From Scratch — Here's What I Learned (LLM Zoomcamp 2026, Module 2)
Dev.to · Ryan Giggs 🧠 Large Language Models ⚡ AI Lesson 6d ago
I Built a Hybrid Search Engine From Scratch — Here's What I Learned (LLM Zoomcamp 2026, Module 2)
I just completed Module 2 of the LLM Zoomcamp 2026 by @DataTalksClub — and this module completely...
Correctover MCP Server: Your AI Assistant Now Knows When Your LLM Calls Are Actually Correct
Dev.to · correctover 🧠 Large Language Models ⚡ AI Lesson 6d ago
Correctover MCP Server: Your AI Assistant Now Knows When Your LLM Calls Are Actually Correct
Correctover MCP Server is the first contract-validation MCP tool on the Official Registry. 6-dimension validation in 22us. BYOK, zero markup. Install in 30 seco
Sml e Taleb
Dev.to · Luigi Ippolito 🧠 Large Language Models ⚡ AI Lesson 6d ago
Sml e Taleb
Nassim Nicholas Taleb e i Small Language Models (SLM): un'analisi attraverso la lente della sua...
Ultimate AI Prompt Guide: ChatGPT SaaS Copywriting Prompt Bundle
Dev.to · UXDraft 🧠 Large Language Models ⚡ AI Lesson 6d ago
Ultimate AI Prompt Guide: ChatGPT SaaS Copywriting Prompt Bundle
Ultimate AI Prompt Guide: ChatGPT SaaS Copywriting Prompt Bundle Discover how to...
Ultimate AI Prompt Guide: GPT-4o Data Analysis & Python Scripting Prompts
Dev.to · UXDraft 🧠 Large Language Models ⚡ AI Lesson 6d ago
Ultimate AI Prompt Guide: GPT-4o Data Analysis & Python Scripting Prompts
Ultimate AI Prompt Guide: GPT-4o Data Analysis & Python Scripting Prompts Discover how...
Building a Multimodal AI Pipeline: Text Image Text Across Three Providers
Dev.to · YAIT 🧠 Large Language Models ⚡ AI Lesson 6d ago
Building a Multimodal AI Pipeline: Text Image Text Across Three Providers
Three providers, three modalities, under 55 lines of Python — and a PNG file on disk at the end....
I Wish I Knew About This OpenAI Swap Sooner — Full Breakdown
Dev.to · gentlenode 🧠 Large Language Models ⚡ AI Lesson 6d ago
I Wish I Knew About This OpenAI Swap Sooner — Full Breakdown
I Wish I Knew About This OpenAI Swap Sooner — Full Breakdown I'll be honest with you: I didn't set...
Mitigating Hallucinations in Theology AI: Implementing Groundedness Evaluation Pipelines
Dev.to · Mactrix XR 🧠 Large Language Models ⚡ AI Lesson 6d ago
Mitigating Hallucinations in Theology AI: Implementing Groundedness Evaluation Pipelines
Mitigating Hallucinations in Theology AI: Implementing Groundedness Evaluation...
The Production-Ready Guide to Self-Hosting LLaMA 3 on a GPU Dedicated Server
Dev.to · Shannon Dias 🧠 Large Language Models ⚡ AI Lesson 6d ago
The Production-Ready Guide to Self-Hosting LLaMA 3 on a GPU Dedicated Server
Most online AI guides share a major flaw: they are written for local development on a laptop rather...
Upgrading fallback AI model entries to curated quality with a deterministic hash pool
Dev.to · MORINAGA 🧠 Large Language Models ⚡ AI Lesson 6d ago
Upgrading fallback AI model entries to curated quality with a deterministic hash pool
How polish.py upgrades 380 model entries without an API call: MD5-based pool selection, license and framework extraction from HuggingFace tags, and why determin
I got tired of managing separate APIs for GPT, Claude, Gemini, DeepSeek, and Qwen
Dev.to · GWEN 🧠 Large Language Models ⚡ AI Lesson 6d ago
I got tired of managing separate APIs for GPT, Claude, Gemini, DeepSeek, and Qwen
I’ve been building with LLM APIs for a while, and one thing that keeps getting annoying is not the...
Understanding Long-Term Memory: The Foundation of AI Self-Evolution (2024)
Dev.to · Ndukwe Daniel 🧠 Large Language Models ⚡ AI Lesson 6d ago
Understanding Long-Term Memory: The Foundation of AI Self-Evolution (2024)
Note: This article is a summary and interpretation of the research paper Long Term Memory: The...
Self-Hosted Ollama Homelab: 3 Mistakes Running Local LLMs
Dev.to · Oleksandr Kuryzhev 🧠 Large Language Models ⚡ AI Lesson 6d ago
Self-Hosted Ollama Homelab: 3 Mistakes Running Local LLMs
Originally published on kuryzhev.cloud We thought setting up a self-hosted Ollama homelab for...
How to Build a Real-Time AI Agent with LangChain + TalorData
Dev.to · Elowen 🧠 Large Language Models ⚡ AI Lesson 6d ago
How to Build a Real-Time AI Agent with LangChain + TalorData
If you're building AI agents in 2026, one thing becomes obvious pretty quickly: without real-time...
LiteLLM vs OpenRouter: I Used Both. Here's Where Each One Actually Broke.
Dev.to · Sahajmeet Kaur 🧠 Large Language Models ⚡ AI Lesson 6d ago
LiteLLM vs OpenRouter: I Used Both. Here's Where Each One Actually Broke.
LiteLLM vs OpenRouter isn't a close call, they're solving different problems. I ran both in production before understanding that. Here's the honest breakdown of
Claude Code Costs, Act III — The ecosystem of options for spending less
Dev.to · Sumedh Bala 🧠 Large Language Models ⚡ AI Lesson 6d ago
Claude Code Costs, Act III — The ecosystem of options for spending less
There is a whole open-source ecosystem aimed at cutting LLM cost. The trick to evaluating any of it...
My LLM API Calls Were Failing Silently. Here's the Logging Setup I Wish I Had Earlier
Dev.to · plasma 🧠 Large Language Models ⚡ AI Lesson 6d ago
My LLM API Calls Were Failing Silently. Here's the Logging Setup I Wish I Had Earlier
The first few LLM API bugs I hit in production were easy to notice. The request failed. The user saw...
Prompting AI for Complex Multi-Table SQL: A Practical Guide
Dev.to · Vivek Kumar 🧠 Large Language Models ⚡ AI Lesson 6d ago
Prompting AI for Complex Multi-Table SQL: A Practical Guide
Generic prompts produce broken JOINs. Learn the exact techniques — schema injection, chain-of-thought, few-shot examples — that get AI to write accurate multi-t
The Day My Research Assistant Finally Got a Memory
Dev.to · Sasidhar Prathipati 🧠 Large Language Models ⚡ AI Lesson 6d ago
The Day My Research Assistant Finally Got a Memory
I've spent the last few weeks wrestling with a problem that I suspect many AI builders share: my...
Can AI Scan the Internet? AI Search vs Real-Time Monitoring
Dev.to · Raj Savaliya 🧠 Large Language Models ⚡ AI Lesson 6d ago
Can AI Scan the Internet? AI Search vs Real-Time Monitoring
Yes, modern AI can scan the internet in real time, reading and synthesizing web data for instant answers. Learn how AI search differs from traditional engines a
Prompt Caching vs Fine-Tuning: Cost-Effective LLM Strategies
Dev.to · kapil Maheshwari 🧠 Large Language Models ⚡ AI Lesson 6d ago
Prompt Caching vs Fine-Tuning: Cost-Effective LLM Strategies
Explore prompt caching versus fine-tuning for LLM cost reduction in startups.
The Wrapper Got Heavy: Why ChatGPT Clones Are Runtime Problems Now
Dev.to · Takafumi Endo 🧠 Large Language Models ⚡ AI Lesson 1w ago
The Wrapper Got Heavy: Why ChatGPT Clones Are Runtime Problems Now
'Just a ChatGPT wrapper' stopped being an insult. The thing you'd wrap became a runtime — sandbox, agent loop, state gravity. Notes from building it, and where
Oracle Cloud Just Made LiteLLM a Native Provider for OCI Generative AI
Dev.to · Paul Twist 🧠 Large Language Models ⚡ AI Lesson 1w ago
Oracle Cloud Just Made LiteLLM a Native Provider for OCI Generative AI
Oracle Cloud announced this week that LiteLLM is now a first-class provider for Oracle Generative AI...
I Used pytest for 3 Years Before Realizing I Never Actually Tested LLM Memory Persistence
Dev.to · BAOFUFAN 🧠 Large Language Models ⚡ AI Lesson 1w ago
I Used pytest for 3 Years Before Realizing I Never Actually Tested LLM Memory Persistence
It was 2:30 a.m. when a user complaint exploded on my phone: “Your chatbot has amnesia again—it...
Getting structured JSON out of five incompatible LLM APIs — and degrading when they ignore you
Dev.to · Muhammet ŞAFAK 🧠 Large Language Models ⚡ AI Lesson 1w ago
Getting structured JSON out of five incompatible LLM APIs — and degrading when they ignore you
CommitBrief renders a code review as cards, JSON schema v1, or a CI exit code — which means the LLM...
Why I stopped trying to correct my AI model and made incoherence algebraically impossible
Dev.to · Josh Shay 🧠 Large Language Models ⚡ AI Lesson 1w ago
Why I stopped trying to correct my AI model and made incoherence algebraically impossible
Every large language model I've looked at does the same thing with coherence: it monitors for it,...
GPT-5.2 Medical Quiz App Integration Guide
Dev.to · Gate of AI 🧠 Large Language Models ⚡ AI Lesson 1w ago
GPT-5.2 Medical Quiz App Integration Guide
🚀 Technical Briefing: This tutorial is part of our deep-dive series on Agentic Workflows at Gate of...
Build a RAG System with Claude & ChatGPT APIs
Dev.to · Gate of AI 🧠 Large Language Models ⚡ AI Lesson 1w ago
Build a RAG System with Claude & ChatGPT APIs
> 🚀 Technical Briefing: This tutorial is part of our deep-dive series on Agentic Workflows at Gate...