Introducing GPT-5.4 mini and nano

OpenAI introduces GPT-5.4 mini and nano, smaller and faster variants of GPT-5.4 designed for efficiency-focused use cases.

• •GPT-5.4 mini and nano are optimized for coding tasks
• •Both models support tool use and multimodal reasoning
• •Designed for high-volume API workloads
• •Targeted at sub-agent workloads requiring speed and scale

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