ToolsThe story, in brief
OpenAI expands Codex and its API at DevDay with security scans, a Decisions API, and Ultrafast
OpenAI ships five new Codex and API products at DevDay 2026: security scans, Computer Use for agents, a Decisions API, and Ultrafast tier at 6x the price.
The KeyNews take
Why it matters
DevDay announcements expand OpenAI's developer tooling—security automation, agent capabilities, and a new premium pricing tier—giving practitioners concrete new features to evaluate for code workflows and agentic use cases this quarter.
The key facts
7 to knowCodex gains reusable cloud environments
Automatic security scans for GitHub repositories now included
Code review view added to desktop app
Agents API now supports Computer Use
New Decisions API for single-decision workflows
Ultrafast premium tier: 8x speed increase at 6x price
Announced at DevDay 2026, September 29, 2026
Go to the source
The Decoderthe-decoder.com
Publisher excerpt: At DevDay 2026, OpenAI gave Codex reusable cloud environments, automatic security scans for GitHub repositories, and a code review view in the desktop app. The Agents API now supports Computer Use, and a new Decisions API handles fast, single decisions. The Ultrafast premium tier promises up to…