# Karpathy's microGPT, Jeff Dean's Pareto Frontier, and the LLM Course - 📚 The Tokenizer Edition #18

DevFeed: [Karpathy's microGPT, Jeff Dean's Pareto Frontier, and the LLM Course - 📚 The Tokenizer Edition #18](<https://devfeed.tech/articles/karpathy-s-microgpt-jeff-dean-s-pareto-frontier-and-the-llm-course-the-tokenizer-edition-18-18341.md>)

Original publisher: [Read original article](<https://newsletter.artofsaience.com/p/karpathys-microgpt-jeff-deans-pareto>)

Author: Sairam Sundaresan

Published: 2026-02-19T13:34:15Z

Content type: article

Language: en

Sources: [Gradient Ascent](<https://devfeed.tech/sources/gradient-ascent.md>)

Topics: [Large Language Model](<https://devfeed.tech/topics/llm.md>), [agentic-coding](<https://devfeed.tech/topics/agentic-coding.md>), [LLM evaluation / benchmarking](<https://devfeed.tech/topics/llm-evaluation-benchmarking.md>), [Claude](<https://devfeed.tech/topics/claude.md>), [dev-tools](<https://devfeed.tech/topics/dev-tools.md>), [Learning](<https://devfeed.tech/topics/learning.md>)

Tags: [agentic-coding](<https://devfeed.tech/tags/agentic-coding.md>), [ai](<https://devfeed.tech/tags/ai.md>), [benchmarking](<https://devfeed.tech/tags/benchmarking.md>), [benchmarks](<https://devfeed.tech/tags/benchmarks.md>), [claude](<https://devfeed.tech/tags/claude.md>), [code](<https://devfeed.tech/tags/code.md>), [dev-tools](<https://devfeed.tech/tags/dev-tools.md>), [llm](<https://devfeed.tech/tags/llm.md>)

## AI overview

A curated AI newsletter highlights research, videos, tools, and learning resources. It discusses the gap between agent performance on bug fixes and complex feature development, task handoff versus authority transfer, Jeff Dean's Pareto frontier, and Karpathy's 243-line dependency-free microGPT.

## Source excerpt

This week's most valuable AI resources