Model
GPT 5.4 Nano
An ultra-lightweight model in the OpenAI GPT-5 series, focused on extremely low cost and high-speed inference scenarios.
Timeline (last 90 days)
Oct 14
The developer had Copilot recommend models based on the acceptance criteria in the requirements document, and Copilot, comprehensively considering retirement dates, capabilities, task fit and subscription quotas, recommended GPT 5.4 Mini, GPT 5.6 Lunar and GPT 5.4 Nano.
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