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GPT-5 Nano

OpenAI Text

OpenAI's most affordable model. Best for classification, extraction, and other simple high-volume tasks.

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Specifications

ProviderOpenAI
CategoryText
Context window400K tokens

Pricing (Starter tier)

6.50 credits / 1M input tokens
52.00 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-nano", "params": { "prompt": "Classify this sentiment: I love this product!" } }'

Example Request Body

// POST /api/v1/generate { "model": "gpt-5-nano", "params": { "prompt": "Classify this sentiment: I love this product!" } }

Try GPT-5 Nano on GenX Router

500 free credits on signup. No credit card required.