Run Codex on Claude Opus 4.8

by OpenAICoding agent

Codex is OpenAI's open-source coding agent for the terminal. It works from natural-language instructions to edit code across your project, run commands, and complete tasks end to end, with its source available on GitHub under Apache-2.0. On Opper, launch it on GPT, Claude, Gemini, DeepSeek and 300+ more — one key, automatic fallbacks, and a choice of region.

Run

Codexonin

Launch Codex on Claude Opus 4.8

Copy the command for the provider you want.

After installing, run opper login once — then the copied command launches Codex on Claude Opus 4.8 through Opper.

Where you can run it

Claude Opus 4.8 runs on the routes below. Route only to EU providers when your data has to stay in Europe.

Provider	Region	Zero data retention	Training	Input	Output
Anthropic	US	Enterprise	No	$5.00	$25.00

The model

Claude Opus 4.8

Anthropic's most capable model for complex reasoning and agentic coding

Available on

Pricing from$5.00/ 1M input$25.00/ 1M output1Mcontext

Privacy

Zero data retention: Enterprise
Training: No
Region: US

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