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GPT-5.4 Mini

OpenAI Text

OpenAI's compact GPT-5.4 variant. Fast, affordable reasoning for everyday coding and chat tasks with 400K context.

Specifications

ProviderOpenAI
CategoryText
Context window400K tokens

Pricing (Starter tier)

75.00 credits / 1M input tokens
450.00 credits / 1M output tokens

Higher tiers get volume discounts. See tiers

Quick Start

curl -X POST https://query.genx.sh/api/v1/generate \ -H "Authorization: Bearer YOUR_API_KEY" \ -H "Content-Type: application/json" \ -d '{ "model": "gpt-5.4-mini", "params": { "prompt": "Write a TypeScript function that validates email addresses" } }'

Example Request Body

// POST /api/v1/generate { "model": "gpt-5.4-mini", "params": { "prompt": "Write a TypeScript function that validates email addresses" } }

Try GPT-5.4 Mini on GenX Router

500 free credits on signup. No credit card required.