Controlling Reasoning Effort in LLMs

How LLMs Learn Low-, Medium-, and High-Effort Reasoning Modes

Jul 18 • Sebastian Raschka, PhD

254

13

22

June 2026

Using Local Coding Agents

Using Open-Weight Models in Local Coding Harnesses as an Alternative to Claude Code and Codex Subscriptions

Jun 27 • Sebastian Raschka, PhD

434

38

47

LLM Research Papers: The 2026 List (January to May)

A curated roundup of notable LLM research papers that came out this year

Jun 6 • Sebastian Raschka, PhD

79

3

11

May 2026

Recent Developments in LLM Architectures: KV Sharing, mHC, and Compressed Attention

From Gemma 4 to DeepSeek V4, How New Open-Weight LLMs Are Reducing Long-Context Costs

May 16 • Sebastian Raschka, PhD

336

19

32

April 2026

My Workflow for Understanding LLM Architectures

A learning-oriented workflow for understanding new open-weight model releases

Apr 18 • Sebastian Raschka, PhD

80

4

5

Components of A Coding Agent

How coding agents use tools, memory, and repo context to make LLMs work better in practice

Apr 4 • Sebastian Raschka, PhD

935

64

94

March 2026

A Visual Guide to Attention Variants in Modern LLMs

From MHA and GQA to MLA, sparse attention, and hybrid architectures

Mar 22 • Sebastian Raschka, PhD

436

15

35

February 2026

A Dream of Spring for Open-Weight LLMs: 10 Architectures from Jan-Feb 2026

A Round Up And Comparison of 10 Open-Weight LLM Releases in Spring 2026

Feb 25 • Sebastian Raschka, PhD

216

13

20

January 2026

Categories of Inference-Time Scaling for Improved LLM Reasoning

And an Overview of Recent Inference-Scaling Papers

Jan 24 • Sebastian Raschka, PhD

47

3

December 2025

The State Of LLMs 2025: Progress, Problems, and Predictions

A 2025 review of large language models, from DeepSeek R1 and RLVR to inference-time scaling, benchmarks, architectures, and predictions for 2026.

Dec 30, 2025 • Sebastian Raschka, PhD

531

38

55

LLM Research Papers: The 2025 List (July to December)

In June, I shared a bonus article with my curated and bookmarked research paper lists to the paid subscribers who make this Substack possible.

Dec 30, 2025 • Sebastian Raschka, PhD

38

3

From DeepSeek V3 to V3.2: Architecture, Sparse Attention, and RL Updates

Understanding How DeepSeek's Flagship Open-Weight Models Evolved

Dec 3, 2025 • Sebastian Raschka, PhD

284

15

32