Core AI

Large Language Models

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

53,088
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 (31,660) Articles (13486)Blog Posts (5967)Tutorials (2584)Research Papers (8701)News (922)
A drop-in, ownable memory for LangChain and LlamaIndex — over MCP
Dev.to · SAIHM-Admin 🧠 Large Language Models ⚡ AI Lesson 2w ago
A drop-in, ownable memory for LangChain and LlamaIndex — over MCP
by the Architect · Apache-2.0 If you build agents, you have already met the memory problem. The...
How LLM Tokens Work (And Why They Explain Your AI Bill)
Dev.to · thestackunderflow 🧠 Large Language Models ⚡ AI Lesson 2w ago
How LLM Tokens Work (And Why They Explain Your AI Bill)
Your LLM never reads your words — it reads tokens. And almost every surprise on your AI bill traces...
Mitigating Algorithmic Bias and Hallucinations in LLM-Driven Job Matching: A Compliance Framework for the EU AI Act and DSA
Dev.to · Maria jose Gonzalez Antelo 🧠 Large Language Models ⚡ AI Lesson 2w ago
Mitigating Algorithmic Bias and Hallucinations in LLM-Driven Job Matching: A Compliance Framework for the EU AI Act and DSA
Meta: Learn how to mitigate LLM hallucinations and algorithmic bias in job matching systems to ensure...
The Edit Is the Memory
Dev.to · Iskander 🧠 Large Language Models ⚡ AI Lesson 2w ago
The Edit Is the Memory
The AI industry has spent a decade treating forgetting as failure. But the brain isn't a storage system — it's a compression system.
How I A/B test LLM prompts without fooling myself
Dev.to · Kartik N V J K 🧠 Large Language Models ⚡ AI Lesson 2w ago
How I A/B test LLM prompts without fooling myself
A while back I was building a support assistant and hit a simple-sounding question: is this new...
What a Fast LLM Taught Me About Assumptions
Dev.to · Giovani Machado Corrêa 🧠 Large Language Models ⚡ AI Lesson 2w ago
What a Fast LLM Taught Me About Assumptions
Most of our tooling was built for one kind of error. The expensive one is the other. A cheap, fast...
Ultimate AI Prompt Guide: AI Performance Review & Feedback Kit — 45+ Prompts for HR & Managers
Dev.to · UXDraft 🧠 Large Language Models ⚡ AI Lesson 2w ago
Ultimate AI Prompt Guide: AI Performance Review & Feedback Kit — 45+ Prompts for HR & Managers
Ultimate AI Prompt Guide: AI Performance Review & Feedback Kit — 45+ Prompts for HR...
A Developer Roadmap for Building Production-Ready AI Agents
Dev.to · Agntable 🧠 Large Language Models ⚡ AI Lesson 2w ago
A Developer Roadmap for Building Production-Ready AI Agents
Most AI agent projects start with a simple idea: Connect an LLM to a few tools and let it complete...
Employed project. KV Store from scratch in Rust
Dev.to · Brandon Harrell 🧠 Large Language Models ⚡ AI Lesson 2w ago
Employed project. KV Store from scratch in Rust
Introduction and motivations Hello my name is Brandon, thought I'm known through most of...
Benchmarking 5 LLM providers on one eval set, no SDK per vendor
Dev.to · Marcus Chen 🧠 Large Language Models ⚡ AI Lesson 2w ago
Benchmarking 5 LLM providers on one eval set, no SDK per vendor
TL;DR: We run a 1,200-case eval suite for enterprise agent automation at Nexus Labs. Comparing models...
Dev log #7 Reviving DevNotion: 10,000 Lines, Multi-LLM Support, and the Road to v2.1
Dev.to · Yash Kumar Saini 🧠 Large Language Models ⚡ AI Lesson 2w ago
Dev log #7 Reviving DevNotion: 10,000 Lines, Multi-LLM Support, and the Road to v2.1
Spent the week breathing new life into DevNotion—59 commits and over 10,000 lines of code later,...
You can't prevent prompt injection. So what do you actually do?
Dev.to · Brenn Hill 🧠 Large Language Models ⚡ AI Lesson 2w ago
You can't prevent prompt injection. So what do you actually do?
No current model reliably refuses adversarial input dressed up as instructions, so stop trying to prevent prompt injection and start designing for the state you
The demo always works. That's the problem.
Dev.to · Sonal Jain 🧠 Large Language Models ⚡ AI Lesson 2w ago
The demo always works. That's the problem.
A project manager on the real work that begins after the AI demo impresses everyone: scoping past the 'magic' expectation, treating LLM accuracy as a measurable
I built a mini agent framework in Python to understand how LangGraph actually works under the hood
Dev.to · Sajid Islam 🧠 Large Language Models ⚡ AI Lesson 2w ago
I built a mini agent framework in Python to understand how LangGraph actually works under the hood
Everyone I know learning agentic AI right now is learning to use frameworks. They call .invoke(),...
Building a Free AI PDF Assistant: How I Solved Parsing Issues and Minimized LLM Costs
Dev.to · 7090 yue 🧠 Large Language Models ⚡ AI Lesson 2w ago
Building a Free AI PDF Assistant: How I Solved Parsing Issues and Minimized LLM Costs
As a developer, my desk is constantly cluttered with documentation, API references, and whitepapers....
Claude AI by Anthropic: Key Features That Set This Model Apart in 2024 [EN]
Dev.to · André Dias Moreira Prol 🧠 Large Language Models ⚡ AI Lesson 2w ago
Claude AI by Anthropic: Key Features That Set This Model Apart in 2024 [EN]
Throughout my two decades managing IT infrastructure and building solutions across Web3, blockchain,...
I switched on production evals for my LLM app — and they scored nothing
Dev.to · M Hossein 🧠 Large Language Models ⚡ AI Lesson 2w ago
I switched on production evals for my LLM app — and they scored nothing
What data privacy taught me about online evals, and why I stopped treating LLM prompts like magic and...
10x Faster LLM Memory Testing: From Manual Verification to Pytest Automation
Dev.to · BAOFUFAN 🧠 Large Language Models ⚡ AI Lesson 2w ago
10x Faster LLM Memory Testing: From Manual Verification to Pytest Automation
It was 1 a.m. when a colleague messaged me: our smart customer service bot had amnesia again — “The...
ERNIE 4.5 vs DeepSeek V4: The Freelancer's Honest Breakdown
Dev.to · gentlenode 🧠 Large Language Models ⚡ AI Lesson 2w ago
ERNIE 4.5 vs DeepSeek V4: The Freelancer's Honest Breakdown
ERNIE 4.5 vs DeepSeek V4: The Freelancer's Honest Breakdown I'll be honest with you — picking an LLM...
Monitoring LLM costs in production: tokens, tenants, and alerts
Dev.to · Amit Nabarro 🧠 Large Language Models ⚡ AI Lesson 2w ago
Monitoring LLM costs in production: tokens, tenants, and alerts
A practical guide to LLM cost observability: structured logging, Langfuse dashboards, OpenTelemetry metrics, per-tenant budgets, and the unit economics finance
RAG vs Fine-Tuning: Which One Does Your Business Actually Need?
Dev.to · Gaurang Ghinaiya 🧠 Large Language Models ⚡ AI Lesson 2w ago
RAG vs Fine-Tuning: Which One Does Your Business Actually Need?
Every business exploring AI eventually hits the same fork: should we fine-tune a model on our data,...
Meet Chatrove: a 100% local, open-source vault for your AI chats
Dev.to · vuhuutam459-max 🧠 Large Language Models ⚡ AI Lesson 2w ago
Meet Chatrove: a 100% local, open-source vault for your AI chats
If you followed my earlier posts about Gemini Vault — this is the same project, grown up and renamed....
Building an AI Scoring Pipeline for 10,000+ Listings a Day
Dev.to · Abdul Rehman 🧠 Large Language Models ⚡ AI Lesson 2w ago
Building an AI Scoring Pipeline for 10,000+ Listings a Day
What I learned processing a million job listings with LLMs — architecture, cost control, and when AI beats traditional ML.
Phase 2: Embeddings & Semantic Search
Dev.to · surajrkhonde 🧠 Large Language Models ⚡ AI Lesson 2w ago
Phase 2: Embeddings & Semantic Search
From Text to Vectors: The Complete Story The Story Starts: Why Can't We Just...
I Compared 4,000+ AI API Prices So You Don't Have To
Dev.to · yego 🧠 Large Language Models ⚡ AI Lesson 2w ago
I Compared 4,000+ AI API Prices So You Don't Have To
If you're building with LLMs, API costs can quietly kill your margin. The official pricing pages look...
I Built an AI Content Team That Posts to My Blog While I Sleep
Dev.to · Sam Hartley 🧠 Large Language Models ⚡ AI Lesson 2w ago
I Built an AI Content Team That Posts to My Blog While I Sleep
I used to write blog posts the old way. Open a blank page. Stare at it. Write something. Rewrite it...
What You Can Safely Put Into ChatGPT: The Postcard Rule
Dev.to · Matthias | StudioMeyer 🧠 Large Language Models ⚡ AI Lesson 2w ago
What You Can Safely Put Into ChatGPT: The Postcard Rule
Not everything belongs in an AI chat. A simple rule, three buckets, and the anonymizing trick that lets a small business use real data without giving it away.
Do not treat LangGraph as a longer chain: define state, interrupts, and recovery first
Dev.to · Tang Weigang 🧠 Large Language Models ⚡ AI Lesson 2w ago
Do not treat LangGraph as a longer chain: define state, interrupts, and recovery first
The easiest way to misunderstand LangGraph is to see it as “LangChain, but with more steps.” That...
Reranking: Retrieve Fast, Then Reorder Precisely (Better RAG)
Dev.to · Devanshu Biswas 🧠 Large Language Models ⚡ AI Lesson 2w ago
Reranking: Retrieve Fast, Then Reorder Precisely (Better RAG)
Your RAG retriever pulls 50 candidate docs in milliseconds — but the best one is often sitting at...
LLM Gateway vs MCP Gateway: Understanding the New AI Infrastructure Stack
Dev.to · TrueFoundry 🧠 Large Language Models ⚡ AI Lesson 2w ago
LLM Gateway vs MCP Gateway: Understanding the New AI Infrastructure Stack
As AI applications evolve from simple chatbots into autonomous agents, a new infrastructure layer is...
I built a Rust entropy monitor to route LLM inference — here's what the benchmark showed
Dev.to · Manoj Krishna Mohan 🧠 Large Language Models ⚡ AI Lesson 2w ago
I built a Rust entropy monitor to route LLM inference — here's what the benchmark showed
Frontier LLM inference is expensive. I wanted to see how far a 4B local model could go before needing...
How Claude AI Actually Works: The Technical Story Behind the Scenes
Dev.to · Prateek Pareek 🧠 Large Language Models ⚡ AI Lesson 2w ago
How Claude AI Actually Works: The Technical Story Behind the Scenes
Wondering how Claude AI works? Simply put, Claude is a large language model built by Anthropic that...
Multilingual code gap exposed by Multi‑LCB
Dev.to · Papers Mache 🧠 Large Language Models 📄 Paper ⚡ AI Lesson 2w ago
Multilingual code gap exposed by Multi‑LCB
LLMs achieve high scores on Python coding tasks, yet their proficiency drops for the eleven other...
How I built pairwise AI model compare pages with Claude Haiku and a budget cap
Dev.to · MORINAGA 🧠 Large Language Models ⚡ AI Lesson 2w ago
How I built pairwise AI model compare pages with Claude Haiku and a budget cap
The O(n²) combinatorics problem with AI directory compare pages, how I budget-capped Claude Haiku calls, and dumped results to static JSON for Astro.
From Code to Governance: The Complete Guide to LLM Token Optimization
Dev.to · Orvi Das 🧠 Large Language Models ⚡ AI Lesson 2w ago
From Code to Governance: The Complete Guide to LLM Token Optimization
Your token costs are growing faster than your usage. You've already optimized model selection on...
The Open-Model Cost Chart Everyone's Sharing Is API Prices. Here's What Self-Hosting Actually Gets You (Measured)
Dev.to · byeongsoo kang 🧠 Large Language Models ⚡ AI Lesson 2w ago
The Open-Model Cost Chart Everyone's Sharing Is API Prices. Here's What Self-Hosting Actually Gets You (Measured)
The intelligence-vs-cost chart shows open models winning the value quadrant. True, but the x-axis is API price. The cheap open winners (GLM-5.2 ~744B) don't fit
Use a flat-priced, auto-routing LLM API in Aider or Cline — one npx command
Dev.to · chenxiao5580-cmd 🧠 Large Language Models ⚡ AI Lesson 2w ago
Use a flat-priced, auto-routing LLM API in Aider or Cline — one npx command
A ~120-line zero-dependency local proxy that makes a flat-priced, auto-routing LLM API work as a drop-in OpenAI endpoint in Aider, Cline, Continue, or any OpenA
We're Moving LiteLLM to Rust. Here's What the Benchmarks Look Like.
Dev.to · Paul Twist 🧠 Large Language Models ⚡ AI Lesson 2w ago
We're Moving LiteLLM to Rust. Here's What the Benchmarks Look Like.
LiteLLM is migrating to Rust: 15x throughput, 11x less memory, sub-1ms overhead. Here are the benchmark numbers and the migration plan.
GLM-5.2 Is Cheap Because It's Subsidized, Not Efficient
Dev.to · Max Quimby 🧠 Large Language Models ⚡ AI Lesson 2w ago
GLM-5.2 Is Cheap Because It's Subsidized, Not Efficient
GLM-5.2 burns 2x the tokens of its predecessor. The real cost edge is provider pricing — and it's repriceable overnight.
The 5 Things Your LLM Benchmark Misses That Actually Decide the Winner
Dev.to · Lavelle Hatcher Jr 🧠 Large Language Models ⚡ AI Lesson 2w ago
The 5 Things Your LLM Benchmark Misses That Actually Decide the Winner
A practical guide to choosing the right LLM for your use case, before a generic ranking talks you...
Turn Your Best AI Conversations Into a Blog — and Give Your Model a Memory That Lasts
Dev.to · linz001 🧠 Large Language Models ⚡ AI Lesson 2w ago
Turn Your Best AI Conversations Into a Blog — and Give Your Model a Memory That Lasts
blogs.city blogifies and wiki-fies the dialogue you already have with large models — Hermes, OpenClaw, and any AI editor.
How to Prove Your AI Did What It Said: A Developer's Guide to Verifiable AI Outputs
Dev.to · Adeola Okunola 🧠 Large Language Models ⚡ AI Lesson 2w ago
How to Prove Your AI Did What It Said: A Developer's Guide to Verifiable AI Outputs
Attach a cryptographically signed receipt to every LLM call so you, your auditors, and your customers can verify what your AI produced, when, and from what inpu
The LLM is an ALU
Dev.to · Matt 🧠 Large Language Models ⚡ AI Lesson 2w ago
The LLM is an ALU
Why Your AI Agent Needs a guy who wrote games on a ZX Spectrum A few weeks ago I was...
Why Beginners Should Ask AI More Questions Before Building An App
Dev.to · Marcus Kim 🧠 Large Language Models ⚡ AI Lesson 2w ago
Why Beginners Should Ask AI More Questions Before Building An App
The beginner mistake with AI is not asking a bad first question. That part is normal. The real...
How Much Does It Actually Cost to Run a Local LLM? (€ per Million Tokens, Measured)
Dev.to · Arsen Apostolov 🧠 Large Language Models ⚡ AI Lesson 2w ago
How Much Does It Actually Cost to Run a Local LLM? (€ per Million Tokens, Measured)
"It runs on my own GPU, so it's basically free." I believed that until I put a meter on it. So I ran...
I built a local AI memory gate on a CPU, and my 7B model scored worse than my 1.5B model because it was too smart
Dev.to · Roan de Jager 🧠 Large Language Models ⚡ AI Lesson 2w ago
I built a local AI memory gate on a CPU, and my 7B model scored worse than my 1.5B model because it was too smart
Hi everyone, I've been hacking on a personal, local project called Hillock. Honestly, it's very much...
Designing a Synthetic Data Pipeline for Persian LLM Fine Tuning: From Topic Graphs to QLoRA Evaluation
Dev.to · Mohammad Heydari 🧠 Large Language Models ⚡ AI Lesson 2w ago
Designing a Synthetic Data Pipeline for Persian LLM Fine Tuning: From Topic Graphs to QLoRA Evaluation
Introduction: Why this project matters? Training instruction following LLMs is no longer just about...
TensorSharp: .NET Native Open Source Local LLM Inference Engine
Dev.to · Zhongkai Fu 🧠 Large Language Models ⚡ AI Lesson 2w ago
TensorSharp: .NET Native Open Source Local LLM Inference Engine
TensorSharp I would like to share my latest open source .net native local LLM inference engine and...