openai

GPT 5 Nano

text-to-text
Multimodal model optimized for ultra-fast, cost-efficient summarization and classification, supporting both text and image inputs with real-time streaming output.

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openaiGPT 5 Nano

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Settings

Advanced settings to control the behavior of the model.

A system prompt that will be prepended to all chat messages to guide the model's behavior. Automatically gets saved to your playground repository.

Controls randomness: 0 = deterministic, 2 = very creative

Maximum length of the response (1-128000 tokens)