GPT-5.4 Nano
GPT-5.4 Nano
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GPT-5.4 Nano is the most lightweight and cost-efficient variant of the GPT-5.4 family, optimized for speed-critical and high-volume tasks. It supports both text and image inputs and is designed for low-latency use cases such as classification, data extraction, ranking, and sub-agent execution. The model prioritizes responsiveness and efficiency over deep reasoning, making it ideal for real-time systems and distributed agent architectures where minimizing cost and latency is essential.
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Data enriched Apr 24, 2026. Pricing from OpenRouter API.