GPT-5.4 mini

by OpenAI

gpt-5-4-mini

Overview

GPT-5.4 mini is the compact GPT-5.4 — cheap, fast and tuned for high-throughput calls where cost per request matters more than peak capability. Ideal for drafting, extraction and routing.

Quick start

Simple code & API

Create an API key, point your SDK's base URL at Kumo, and call this model with the code you already have.

Create API key

curl https://api.kumo.cloud/v1/chat/completions \
  -H "Authorization: Bearer $KUMO_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "gpt-5-4-mini",
    "messages": [{ "role": "user", "content": "Hello from Kumo" }]
  }'

OpenAI-compatible — base URL https://api.kumo.cloud/v1. Your KUMO_API_KEY is read from the environment.