Latest Sonnet model, balanced for most tasks
Available on
Pricing from$2.00/ 1M input$10.00/ 1M output1Mcontext
Privacy
- Zero data retention
- Always-on
- Training
- No
- Region
- EU + US
Run Codex on Claude Sonnet 5
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
CodexoninLaunch Codex on Claude Sonnet 5
Set up with agents
Paste this into your coding agent (Claude Code, Cursor, Codex, and more) and it will set up and build with Opper for you.
Where you can run it
Claude Sonnet 5 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 |
|---|---|---|---|---|---|
| AWS Bedrock | EU | Zero data retention | No | $2.20 | $11.00 |
| Google Cloud | EU | Enterprise | No | $2.20 | $11.00 |
| Anthropic | US | Enterprise | No | $2.00 | $10.00 |
| Google Cloud | US | Enterprise | No | $2.00 | $10.00 |
| Pending | Multi | Enterprise | — | $2.00 | $10.00 |
The model
More apps on Opper
Claude Code
Anthropic's terminal coding agent. Run it on any model on Opper, not just Claude.
Coding
opper launch claude
OpenCode
An open-source, model-agnostic coding agent for the terminal, wired to Opper's catalogue.
Coding
opper launch opencode
Pi
A lightweight open coding agent. Run it on any model through Opper.
Coding
opper launch pi