Run Claude Code on O3 Mini

Name: Claude Code
Author: Anthropic

by AnthropicCoding agent

Claude Code is Anthropic's agentic coding tool for the terminal. It reads your whole repository, plans and applies changes across files, runs commands and tests, and iterates on failures from natural-language prompts — all without leaving the shell, on macOS, Linux, and Windows. On Opper it runs on any of 700+ models, not just Claude: pin one with a single --model flag, switch mid-task without losing context, and choose EU or US hosting on one key.

Run

Claude Codeonin

Launch Claude Code on O3 Mini

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

O3 Mini 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
OpenAI	US		No	$1.10	$4.40
OpenAI	US		No	$1.10	$4.40

The model

O3 Mini

by OpenAI

O3 Mini by OpenAI, a cost-efficient small reasoning model for science, math, and coding with adjustable reasoning effort.

Available on

OpenAIUS

Pricing from$1.10/ 1M input$4.40/ 1M output$0.55/ 1M cache read200Kcontext

Privacy

ZDR
Training: No
Region: US

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