Run Kilo Code on GPT-4.1

by Kilo CodeEditorkilocode.ai

Kilo Code is an open-source AI coding agent for VS Code. It combines autonomous editing, planning and architect modes, and a provider catalogue built from the open models.dev listing, where Opper is one of the providers. Pick Opper, paste your key, and you can run it on any of 700+ models on one gateway, with a choice of region.

Run

Kilo Codeonin

Connect Kilo Code to GPT-4.1

Add Opper in Kilo Code

In Kilo Code, open Settings → Providers → Show more providers, search for Opper and paste your Opper key. Then pick GPT-4.1.

Model id

Get your API key

Where you can run it

GPT-4.1 runs on the routes below. Route only to EU providers when your data has to stay in Europe. Its route also sells priority processing: the same model at another price, picked per request with service_tier. How service tiers work.

Provider	Region	Zero data retention	Training	Input	Output	Cache read
OpenAI	US		No	$2.00	$8.00	$0.50

The model

GPT-4.1

by OpenAI

GPT-4.1 by OpenAI is a flagship model with a 1M token context window and major gains in coding and instruction following, plus vision, structured output, and tools.