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 700+ more — one key, automatic fallbacks, and a choice of region.
CodexoninPaste this into your coding agent (Claude Code, Cursor, Codex, and more) and it will set up and build with Opper for you.
Qwen3.8-Max 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 |
|---|---|---|---|---|---|
| Alibaba Cloud | Multi | Enterprise | No | $2.00 | $6.00 |
Qwen3.8-Max, Alibaba's 2.4T-parameter MoE flagship with hybrid thinking, vision input, and a context window approaching one million tokens.
Anthropic's terminal coding agent. Run it on any model on Opper, not just Claude.
opper launch claude
An open-source, model-agnostic coding agent for the terminal, wired to Opper's catalogue.
opper launch opencode
A lightweight open coding agent. Run it on any model through Opper.
opper launch pi