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

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January 2026

Categories of Inference-Time Scaling for Improved LLM Reasoning

And an Overview of Recent Inference-Scaling Papers

Jan 24 • Sebastian Raschka, PhD

35

1

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

504

39

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

36

2

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

258

13

28

November 2025

Beyond Standard LLMs

Linear Attention Hybrids, Text Diffusion, Code World Models, and Small Recursive Transformers

Nov 4, 2025 • Sebastian Raschka, PhD

362

28

36

October 2025

Understanding the 4 Main Approaches to LLM Evaluation (From Scratch)

Multiple-Choice Benchmarks, Verifiers, Leaderboards, and LLM Judges with Code Examples

Oct 5, 2025 • Sebastian Raschka, PhD

363

26

33

September 2025

Understanding and Implementing Qwen3 From Scratch

A Detailed Look at One of the Leading Open-Source LLMs

Sep 6, 2025 • Sebastian Raschka, PhD

120

6

12

August 2025

From GPT-2 to gpt-oss: Analyzing the Architectural Advances

And How They Stack Up Against Qwen3

Aug 9, 2025 • Sebastian Raschka, PhD

620

47

55

July 2025

The Big LLM Architecture Comparison

From DeepSeek-V3 to Kimi K2: A Look At Modern LLM Architecture Design

Jul 19, 2025 • Sebastian Raschka, PhD

1,794

86

161

LLM Research Papers: The 2025 List (January to June)

A topic-organized collection of 200+ LLM research papers from 2025

Jul 1, 2025 • Sebastian Raschka, PhD

100

5

9

June 2025

Understanding and Coding the KV Cache in LLMs from Scratch

KV caches are one of the most critical techniques for efficient inference in LLMs in production.

Jun 17, 2025 • Sebastian Raschka, PhD

446

41

34