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5thDev5thDev

Learn more about how we build systems that reason, remember, and evolve.
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Decisions Are Becoming Data
Development

Decisions Are Becoming Data

Jev, OpenAI's Decisions API, and others are making agent decisions fast and cheap, and here's what a future agent pipeline looks like and what it still needs

The Agreeable Agent
Research

The Agreeable Agent

Models are trained to agree with us, and new research shows why that's riskier in coding agents than in chatbots and why observing agents beats trusting them

When the Model Moves Into the Chip
News

When the Model Moves Into the Chip

AMD's deal for World Labs is a bet that the next wave of agents will need a model of the physical world, and here's what that means for tech leaders

What We Choose to Keep
Education

What We Choose to Keep

Sean Goedecke's essay shows AI breaking a genuine signal, the link between solving a hard puzzle and having produced real insight, and reaches for a narrow, fie

Biological Computing and the Race to AGI
News

Biological Computing and the Race to AGI

A growing, funded slice of the AI industry is betting that the path to more capable and more efficient intelligence isn't a bigger GPU cluster, it's literal bio

The Other Half of Trustworthy AI
Research

The Other Half of Trustworthy AI

A new paper shows you can train language models to know what they don't know, closing much of the gap between expressed confidence and real uncertainty

The jump and the record
Research

The jump and the record

DeepMind researcher Tom Zahavy argues LLMs structurally lack abduction, the inventive jump behind discoveries like general relativity

What it actually takes to own your intelligence
News

What it actually takes to own your intelligence

Garry Tan's Startup School talk named the era 5thDev is built for: personal AGI, agents on infrastructure you own that compound your knowledge

5thDev: Reliability for Agents
Development

5thDev: Reliability for Agents

Reliability, not intelligence, is the bottleneck for agentic AI