Unverified50% confidenceFactExact time

GPT-2的355M版本使用16个注意力头，每个头的维度为64

1

Sources

50%

Confidence

Long-term

Relevance

7/15/2026

First Seen

Sources

GPT-2微调实验：355M小模型实现88%函数调用成功率

Related Claims

UnverifiedGPT-2的词表规模约5万，GPT-2 small架构为12层、每层12个注意力头78% similar VerifiedGPT-2有四个规格：117M、345M、762M和1.5B参数73% similar VerifiedGPT-3.5的向量维度为12288维72% similar UnverifiedGPT-2（355M）在混合精度（FP16）下微调显存占用约2-4GB，单卡T4即可完成全流程71% similar

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