I were 17, I'd learn how to build LLMs from scratch

Model Cascade: making LLM classification cheaper

Many LLM workloads are classification tasks. This can get expensive, and I believe it is going to become more and more important, especially with the proliferation of software factories.

• Model Cascade uses a cheap proxy model and an expensive oracle model
• BARGAIN paper shows up to 86% cost reduction on various datasets

2026-08-23 ·dev.to

Anthropic’s best AI model struggles to attract users as cheaper tools thrive

Anthropic’s best AI model struggles to attract users as cheaper tools thrive A few interesting numbers in this FT story gathered from "people with knowledge of the matter": Anthropic's "annualized…

2026-08-23 ·simonwillison.net

How to test your LLM app for prompt injection: promptfoo vs garak vs Giskard vs PyRIT vs sentinel-scan-cli

If you're shipping anything with an LLM in the request path (a support bot, an agent that calls tools, a RAG pipeline reading untrusted documents) you eventually have to answer "did we actually test…

2026-08-23 ·dev.to

Microsoft archived PyRIT (Mar 2026) - what LLM red-teamers should use instead

Quick one: if PyRIT (Microsoft's Python Risk Identification Tool) is on your shortlist for LLM red-teaming, check the repo first. Azure/PyRIT was archived on GitHub on March 27, 2026.

2026-08-23 ·dev.to