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Eval-Driven Development

5 articles · Page 1 of 1
AI Engineering
AI Engineering
Oct 22, 2026 · R&D Management

OpenAI's FDE: Deploying AI in Production, Then Making Itself Obsolete

OpenAI's Forward Deployed Engineering team embeds with enterprise customers to close the deployment gap, turning AI demos into production systems across agriculture, semiconductors, and tax, then systematically replaces custom code with reusable Skills and evaluations, driving model improvements and reducing future deployment effort.

AI deploymentCodexEval-Driven Development
0 likes · 15 min read
OpenAI's FDE: Deploying AI in Production, Then Making Itself Obsolete
DataFunTalk
DataFunTalk
Oct 5, 2026 · Artificial Intelligence

Why OpenAI Sends Engineers On-Site: The FDE Playbook for Enterprise AI

OpenAI's Forward Deployed Engineering lead Colin Jarvis reveals why stronger models require on-site engineers to bridge the gap between demo capabilities and production trust, detailing eval-driven development, deterministic-probabilistic boundaries, and the 'Eat Pain → Excrete Product' methodology across Morgan Stanley, semiconductor, supply chain, and Klarna case studies.

Agent ArchitectureDeterministic vs Probabilistic SystemsEval-Driven Development
0 likes · 19 min read
Why OpenAI Sends Engineers On-Site: The FDE Playbook for Enterprise AI
ArcThink
ArcThink
Apr 6, 2026 · Artificial Intelligence

How Harness Engineering Let a 3‑Person Team Write 1 Million Lines of Code in 5 Months

Harness Engineering combines systematic prompts, context management, and robust validation loops to turn powerful LLMs into reliable agents, enabling a three‑engineer team to produce about one million lines of production code in five months and boosting LangChain’s benchmark ranking by 25 places, proving that well‑designed harnesses outweigh model improvements by an order of magnitude.

AI EngineeringAgent SystemsEval-Driven Development
0 likes · 25 min read
How Harness Engineering Let a 3‑Person Team Write 1 Million Lines of Code in 5 Months
Fighter's World
Fighter's World
Dec 12, 2025 · Artificial Intelligence

Why OpenAI’s Forward Deployed Engineering Takes Six Months to Deliver Usable AI

The article explains how OpenAI’s Forward Deployed Engineering (FDE) team bridges the gap between powerful models and real‑world value by embedding engineers on‑site, iterating over a 6‑week technical rollout followed by a 4‑month trust‑building phase, and using eval‑driven development to turn custom solutions into reusable products.

AI deploymentEval-Driven DevelopmentForward-Deployed Engineering
0 likes · 35 min read
Why OpenAI’s Forward Deployed Engineering Takes Six Months to Deliver Usable AI