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⚡ AI Lessons
Simon Willison's Blog
🧠 Large Language Models
⚡ AI Lesson
1h ago
Introducing Muse Glimmer
Introducing Muse Glimmer Meta are back in the open weights game! Muse Glimmer is a brand new 30B model under a clean Apache 2.0 license (a step up from the jank
Simon Willison's Blog
🧠 Large Language Models
⚡ AI Lesson
1d ago
Quoting Claude Opus 5 system prompt
Claude Fable 5 and Claude Mythos 5 were first released on June 9, 2026. On June 12, 2026, Anthropic suspended access to both models to comply with U.S. Departme

Dev.to · ai maya
🧠 Large Language Models
⚡ AI Lesson
1d ago
Model DNA, Analyzed: Verifying 'From-Scratch' LLM Claims with Architecture, Tokenizer, and CKA (PyTorch)
A technical deep-dive that cites and reproduces the Model DNA method in PyTorch - verifying 'trained from scratch' LLM claims via architecture config, tokenizer

Dev.to · 4663437Mehdi
🧠 Large Language Models
1d ago
The Token Ledger Digest – 2026-08-09
The Token Ledger Digest – 2026-08-09 The most cost‑impacting change today is a steep price...

Dev.to · RINAS_AI
🧠 Large Language Models
⚡ AI Lesson
1d ago
Hello DEV.to! 👋 — Starting My AI Engineering Journey
Hi everyone! 👋 I'm Rinas, a self-taught developer from Sri Lanka 🇱🇰. I'm currently learning Python,...

Dev.to · Ekong Ikpe
🧠 Large Language Models
⚡ AI Lesson
1d ago
CapacityGate: Not an accident it's a research.
LLMs Can't Invent, But You Can Still Get Novelty Out of Them — Subtract, Don't Ask. Let's talk...

Dev.to · kai wen ng
🧠 Large Language Models
⚡ AI Lesson
1d ago
Building an Observable Agent Graph from Scratch
Observability is important for LLM agents. Understanding the decision process, node execution,...

Dev.to · ai maya
🧠 Large Language Models
⚡ AI Lesson
1d ago
How to Verify a 'Trained-From-Scratch' LLM in 2026: A Provenance and Fingerprinting Guide
A 2026 practitioner's guide to LLM provenance: verify 'trained from scratch' claims with architecture, tokenizer, and embedding-CKA fingerprints - plus the open

Dev.to · ai maya
🧠 Large Language Models
⚡ AI Lesson
1d ago
The KV Cache Is the Bottleneck: A 2026 Field Guide to Attention Variants
A practitioner's map of KV-cache economics and the attention variants built to shrink it - GQA, MLA, linear/SSM, hybrid interleaving, and sliding windows.

Dev.to · ty215
🧠 Large Language Models
⚡ AI Lesson
1d ago
Testing an LLM Input Layer for Poker Calculators: Verified Math, Unverified Interpretation
This article is about a poker-analysis framework, but the engineering problem is common to LLM tool...

Dev.to · Narev Bot
🧠 Large Language Models
⚡ AI Lesson
1d ago
Changes to LLM pricing: Baidu
Model price changes detected for Baidu. Details below.

Dev.to · Eric Mollenthiel
🧠 Large Language Models
⚡ AI Lesson
1d ago
Cloudflare was 403-ing ChatGPT, Perplexity and Claude on my site, and my logs never knew
For three weeks I wrote content aimed squarely at answer engines. An llms.txt, FAQPage JSON-LD on two...

Dev.to · Penloom Studio
🧠 Large Language Models
⚡ AI Lesson
1d ago
Prompt caching cut my Claude API bill by 85%. Here's the exact setup.
Anthropic's prompt caching can eliminate 85-90% of your input token cost on repeated system prompts and tool definitions. Here's exactly how to enable it, what

Dev.to · Hendry
🧠 Large Language Models
⚡ AI Lesson
1d ago
How to Reduce LLM API Token Spend by Up to 81%
If your AI agent's token bill keeps climbing every month, you are not imagining it. Most teams assume...

Dev.to · kanfu-panda
🧠 Large Language Models
⚡ AI Lesson
1d ago
Prompt Engineering, Loop Engineering, Graph Engineering: What Are They?
These three terms keep showing up in the same comparison table, as if you had to pick one. You don't — they don't even operate at the same level. Prompts govern

Dev.to · Manjas Anand
🧠 Large Language Models
⚡ AI Lesson
1d ago
🚀 Meet Cruise Language: The Lightweight, AI-Ready Programming Language I Built at 12 Years Old!
🚀 Meet Cruise Language: The Lightweight, AI-Ready Programming Language I Built at 12 Years...

Dev.to · OwenSullivan9135
🧠 Large Language Models
⚡ AI Lesson
1d ago
Chunk Boundaries for Hybrid Semantic Search in a Node.js Docs Assistant
Short answer: for a simple Node.js docs chatbot, preserve exact terms with keyword search, recover...

Dev.to · ai maya
🧠 Large Language Models
⚡ AI Lesson
2d ago
Local LLMs in 2026: What Actually Runs Well on a Laptop Now
An honest map of local LLM inference in 2026 - hardware tiers, quantization, the best tools and small models, and the sharp edges.

Dev.to · Javad
🧠 Large Language Models
⚡ AI Lesson
2d ago
Advanced GPU Optimization: How can I tech an LLM with CUDA and ROCm? - Part 2
Hey Dev Community! Welcome back! In Part 1, we built the foundation: from vector addition to tiled...

Dev.to · Santiago Martinez
🧠 Large Language Models
⚡ AI Lesson
2d ago
I created a tool to inspect full python codebases
Hi guys, LLMs generate a lot of code so now the bottleneck is understanding that code. For this, I...

Dev.to · Charles
🧠 Large Language Models
⚡ AI Lesson
2d ago
Why 'Code Was Never the Hard Part' Is Wrong — and Dangerous for Programmers
A narrative has been building in the AI discourse lately: "LLMs may be good at coding, but code was...

Dev.to · Peter Anderson
🧠 Large Language Models
⚡ AI Lesson
2d ago
Sending Images to GPT-4o, Claude, and Gemini: The Base64 Payload Each One Wants
You want to send a screenshot to a vision model. All three of the big ones — OpenAI's GPT-4o,...
Dev.to · Lars Winstand
🧠 Large Language Models
⚡ AI Lesson
2d ago
We wired a ‘cheap’ model into our CRM and accidentally made pricing changes a production risk
Cheap LLMs are great for experiments. They become dangerous when they get wired into your CRM, sales ops, and automations without a portability layer.

Dev.to · Emylton Leunufna
🧠 Large Language Models
⚡ AI Lesson
2d ago
Challenging Tokenization: An LLM Architecture Experiment Without a Tokenizer
For years, most Large Language Models (LLMs) have started from the same assumption: Language is first...
DeepCamp AI