Model
GPT 5.4 Mini
A lightweight large language model released by OpenAI as part of the GPT-5 series, emphasizing cost efficiency and low latency for production agent tasks sensitive to cost and speed.
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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