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OpenAI launched GPT-5.4 mini and nano for faster high-volume workloads — ModelPriceLab

Changes/OpenAI launched GPT-5.4 mini and nano for faster high-volume workloads

MajorOpenAINew Launchgpt-5.4-miniPublished

OpenAI launched GPT-5.4 mini and nano for faster high-volume workloads

OpenAI released GPT-5.4 mini and GPT-5.4 nano on March 17, 2026. GPT-5.4 mini launched across the API, Codex, and ChatGPT, while GPT-5.4 nano launched as an API-only lower-cost variant. OpenAI priced GPT-5.4 mini at $0.75 input / $4.50 output per 1M tokens and GPT-5.4 nano at $0.20 input / $1.25 output per 1M tokens.

Mar 17, 2026Views:21Effective: Mar 17, 2026

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Cost4

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blog

Introducing GPT-5.4 mini and nano

OpenAI says GPT-5.4 mini is available today in the API, Codex, and ChatGPT, while GPT-5.4 nano is API-only.

pricing

Introducing GPT-5.4 mini and nano

OpenAI lists GPT-5.4 mini at $0.75 input / $4.50 output per 1M tokens and GPT-5.4 nano at $0.20 input / $1.25 output per 1M tokens.

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