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Feb 2 arxiv.org 3 min read

GEPA: Reflective Prompt Evolution Can Outperform Reinforcement Learning

GEPA introduces a novel prompt optimization approach that uses natural language reflection and Pareto-based evolutionary search to optimize compound AI systems, achieving superior performance compared to reinforcement …

AI · Development Signal Editorial Team
Feb 2 arxiv.org 4 min read

Generative Engine Optimization: How to Dominate AI Search

This comprehensive research paper introduces Generative Engine Optimization (GEO) as a new paradigm for optimizing content visibility in AI-powered search engines like ChatGPT, Perplexity, and Gemini. The study reveals …

AI · Development Signal Editorial Team
Feb 2 arxiv.org 3 min read

How AI Impacts Skill Formation: Evidence from Software Development Learning

A randomized controlled study examining how AI assistance affects skill formation in software development, finding that while AI can improve productivity, it significantly impairs conceptual understanding, code reading, …

AI · Development Signal Editorial Team
Feb 2 arxiv.org 3 min read

When Models Manipulate Manifolds: The Geometry of a Counting Task

This paper investigates how Claude 3.5 Haiku performs linebreaking in fixed-width text by representing character counts on curved manifolds and using attention heads to geometrically transform these representations for …

AI · Architecture Signal Editorial Team
Feb 1 letta.com 3 min read

Benchmarking AI Agent Memory: Is a Filesystem All You Need?

Letta agents achieve 74% accuracy on the LoCoMo memory benchmark using simple filesystem operations instead of specialized memory tools, suggesting that agent capabilities matter more than complex retrieval mechanisms …

AI · Development Signal Editorial Team
Jan 31 youtu.be 5 min read

Complete Guide to Using Large Language Models: From ChatGPT to Advanced AI Tools

A comprehensive walkthrough of modern large language model applications, covering everything from basic text interactions to advanced features like voice mode, image processing, code generation, and tool integration …

AI · Development Signal Editorial Team
Jan 30 youtu.be 4 min read

The AI Investment Landscape: Market Dynamics, Business Models, and Growth Opportunities

A comprehensive analysis of the AI investment landscape covering market opportunities, business model innovations, infrastructure buildout, and the evolution of private markets. Discusses how AI companies are achieving …

AI · Development Signal Editorial Team
Jan 30 youtu.be 7 min read

Building GPT from Scratch: A Complete Guide to Transformer Architecture

A comprehensive tutorial on implementing a GPT-style transformer from scratch, covering self-attention mechanisms, multi-head attention, and the complete architecture needed to build a language model capable of …

AI · Development Signal Editorial Team
Jan 30 youtube.com 4 min read

The AI Era: How Product Cycles Drive Growth and Transform Software Markets

A comprehensive analysis of how AI represents the latest major product cycle in technology, examining three key investment themes: traditional software going AI-native, new categories where software replaces labor, and …

AI · Development Signal Editorial Team
Jan 30 youtube.com 4 min read

Mastering Fundamental Probability Distributions: A Complete Guide with 30 Practical Examples

A comprehensive walkthrough of essential probability distributions including Bernoulli, Poisson, normal, binomial, and exponential distributions, demonstrated through 30 real-world problems covering e-commerce, call …

Data · AI Signal Editorial Team
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