TLDR Tech / Dev
Introducing GPT-5.4 mini and nano
OpenAI has launched GPT-5.4 mini and nano, its latest small language models designed for speed and efficiency in high-volume workloads. These models outperform their GPT-5 mini and nano predecessors across tasks like coding, reasoning, and multimodal understanding, while running faster and at lower costs. GPT-5.4 mini is available across the API, Codex, and ChatGPT, while GPT-5.4 nano is an API-only option.
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