Claude Code and Codex API service: Beta Testers Needed

What models will be available and supported for it? Will it only use Opus and Sonnet, or are there other models planned as well? Also, does it support agentic operations?
Right now we have ChatGPT-5.5, Opus 4.8 and Sonnet 4.6 available. We will add any new models that are released on the same day of release. We give you access to the API which allows you to build your own Agentic system, or you can use our pre-packages Desktop Chat for Windows / MacOS. The main purpose of this service is for developers to use it on Codex CLI and Claude Desktop
 
Interested! This sounds useful. I'd love to give it a try and share feedback after testing.
 
Right now we have ChatGPT-5.5, Opus 4.8 and Sonnet 4.6 available. We will add any new models that are released on the same day of release. We give you access to the API which allows you to build your own Agentic system, or you can use our pre-packages Desktop Chat for Windows / MacOS. The main purpose of this service is for developers to use it on Codex CLI and Claude Desktop

I’ve already sent you a private message. Personally, I use Claude Code and Codex Cli.
Personally, I use claudecode and codes.cli quite a lot.
 
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