codex

OpenAI's new Agents API, in public beta, turns the managed harness behind Codex into infrastructure any developer can build custom AI agents on, drawing mixed analyst reaction.

A Concordia University benchmark found Cursor, Claude Code, and Codex Desktop let malicious GitHub issues bypass their safety guardrails in up to 79.2% of attempts, with GPT-based agents far more vulnerable than Claude Code.

OpenAI is bringing back a five-hour usage cap on Codex and ChatGPT Work for Plus subscribers starting August 25, citing compute load management.

Researcher Elad Meged showed a privilege-less GitHub issue could reach CI secrets in Claude Code, Gemini CLI, and Codex; two flaws got CVEs, one didn't.

OpenAI released the command-line tool and SDK for Codex Security, formerly Aardvark, under Apache-2.0, while the underlying scanner stays limited-beta.

OpenAI is extending Codex into finance and legal work, weeks after Anthropic expanded Claude for Legal with 12 plugins and 20-plus integrations.

After a March 2026 launch that left users contending with broad ACL changes and stale sandbox profiles, OpenAI published a stricter design splitting Codex into offline and online local users with DPAPI-protected credentials and a command-runner handoff.

OpenAI published Symphony on April 28 as an open-source specification for orchestrating Codex coding agents directly off a Linear board, with internal teams reporting a 500% jump in landed pull requests.

AWS launched OpenAI's frontier models, Codex, and Bedrock Managed Agents in limited preview on April 28, 2026, one day after Microsoft's seven-year exclusivity over OpenAI's IP was rewritten to a non-exclusive license through 2032.

OpenAI unveiled workspace agents on April 22 — shared, always-on Codex-powered agents that operate inside ChatGPT Business, Enterprise, Edu, and Teachers plans, with native integrations for Slack, Salesforce, Google Drive, and SharePoint.

OpenAI's April 16 Codex update adds background computer use on Mac, parallel multi-agent execution, persistent memory, and 111 plugin integrations, escalating the agentic coding tool race with Anthropic.

OpenAI will acquire Astral, the startup behind uv, Ruff, and ty, folding critical Python infrastructure into Codex as AI coding platforms race to own developer toolchains.