HeyGen Integrates With Codex to Enable Programmatic Video Production

May 13, 2026 · Updated May 15, 2026

HeyGen, an AI video platform known for its realistic avatars, released a one-click plugin that brings video generation directly into OpenAI's Codex. From a Codex session, users can call on avatars, change looks, edit scenes, and render videos covering A-roll, B-roll, audio, captions, and motion graphics — without leaving the terminal.

Integration: One-click Codex plugin
Underlying framework: HyperFrames (HeyGen, open source)
HyperFrames tagline: Write HTML. Render video. Built for agents.
GitHub stars: 18.3K (1.7K forks)
Covered elements: A-roll, B-roll, audio, captions, motion graphics, avatars

The plugin is built on HyperFrames, HeyGen's open-source rendering framework with the tagline "Write HTML. Render video. Built for agents." The HyperFrames repo on GitHub has 18.3K stars and 1.7K forks, and includes a Claude Code plugin manifest alongside the Codex integration, signaling first-class agent support across both environments.

You can install the plugin and start generating videos from within your normal Codex workflow. This extends HeyGen's earlier work on Claude Code-based video generation, broadening the same code-first video pattern to a second agent-coding environment.

View the full update on github.com

HeyGen

@HeyGen5d ago

HeyGen is now built into Codex One click install Your A-Roll, B-Roll, audio, captions, and motion graphics all live in one workflow Call on your avatars, change looks, edit scenes, and generate videos without ever leaving Codex Big thanks to @OpenAIDevs for the support https://t.co/VEaeUqgvD7

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Still wondering? A few quick answers below.

The HeyGen Codex integration is a one-click plugin that lets developers generate and edit HeyGen videos directly inside OpenAI's Codex terminal environment. From a Codex session, users can call avatars, change looks, edit scenes, and render videos covering A-roll, B-roll, audio, captions, and motion graphics, without switching to a separate video tool.

HeyGen distributes the integration as a one-click plugin install for Codex. Once installed, the plugin exposes HeyGen's video generation capabilities to the Codex agent and to the developer using it. The HyperFrames repository on GitHub also ships a Claude Code marketplace manifest, indicating the same framework is wired up for Claude Code workflows.

HyperFrames is HeyGen's open-source video rendering framework, summarized in the GitHub repository as 'Write HTML. Render video. Built for agents.' It powers the new Codex integration by letting agents express video compositions as HTML and have the framework render them. The repository currently has 18.3K stars and 1.7K forks on GitHub.

The integration covers the elements HeyGen highlighted in its announcement: A-roll, B-roll, audio, captions, motion graphics, and avatars. Users can change avatar looks, edit scenes, and render finished videos from within Codex. The exact toolset and parameter surface is defined by HyperFrames and the Codex plugin, both of which are publicly available on GitHub.

The integration is built so that an AI agent operating in Codex can call the HeyGen plugin as a tool, generate videos as part of a larger task, and iterate on the output. HyperFrames is explicitly described as 'Built for agents,' which makes this an intended use case rather than a workaround. Developer-in-the-loop usage is also supported through the normal Codex interface.