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GPT-5.4

OpenAI Text

OpenAI's most capable reasoning model. Handles complex multi-step problems, advanced coding, and deep analysis across massive context windows.

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Specifications

ProviderOpenAI
CategoryText
Context window1.1M tokens

Pricing (Starter tier)

325.00 credits / 1M input tokens
1,950.00 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", "params": { "prompt": "Analyze the complexity of this algorithm and suggest optimizations" } }'

Example Request Body

// POST /api/v1/generate { "model": "gpt-5.4", "params": { "prompt": "Analyze the complexity of this algorithm and suggest optimizations" } }

Try GPT-5.4 on GenX Router

500 free credits on signup. No credit card required.