# How OpenAI Optimized AI Agents for Codex and ChatGPT Work at Scale

DevFeed: [How OpenAI Optimized AI Agents for Codex and ChatGPT Work at Scale](<https://devfeed.tech/articles/how-openai-optimized-ai-agents-for-scale-34931.md>)

Original publisher: [Read original article](<https://newsletter.eng-leadership.com/p/how-openai-optimized-ai-agents-for>)

Author: Gregor Ojstersek

Published: 2026-07-29T19:52:55Z

Content type: article

Language: en

Sources: [Engineering Leadership](<https://devfeed.tech/sources/engineering-leadership.md>)

Topics: [OpenAI](<https://devfeed.tech/topics/openai.md>), [Artificial Intelligence](<https://devfeed.tech/topics/ai.md>), [codex](<https://devfeed.tech/topics/codex.md>), [ChatGPT](<https://devfeed.tech/topics/chatgpt.md>), [API](<https://devfeed.tech/topics/api.md>), [Inference](<https://devfeed.tech/topics/inference.md>)

Tags: [agents](<https://devfeed.tech/tags/agents.md>), [ai](<https://devfeed.tech/tags/ai.md>), [ai-agents](<https://devfeed.tech/tags/ai-agents.md>), [api](<https://devfeed.tech/tags/api.md>), [chatgpt](<https://devfeed.tech/tags/chatgpt.md>), [codex](<https://devfeed.tech/tags/codex.md>), [harness](<https://devfeed.tech/tags/harness.md>), [inference](<https://devfeed.tech/tags/inference.md>), [inference-efficiency](<https://devfeed.tech/tags/inference-efficiency.md>), [openai](<https://devfeed.tech/tags/openai.md>)

## AI overview

The article examines how OpenAI optimized the harness, API, and inference efficiency of AI agents supporting Codex and ChatGPT Work at scale.

## Source excerpt

Inside the Harness, API, and Inference efficiency optimizations that support the fast growth of Codex and ChatGPT Work.