Run Codex on Mistral Large 3

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 700+ more — one key, automatic fallbacks, and a choice of region.

Run

Codexonin

Launch Codex on Mistral Large 3

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.

Get your API key

Where you can run it

Mistral Large 3 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	Cache read
Mistral	EU		No	$0.55	$1.65	Input price
Mistral	Multi		No	$0.50	$1.50	Input price

The model

Mistral Large 3

Mistral Large 3, open-weight mixture-of-experts model with 256k context and native multimodal vision.

Available on

Pricing from$0.50/ 1M input$1.50/ 1M output256Kcontext

Privacy

ZDR
Training: No
Region: EU, Multi

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