Verified75% confidenceFactExact time
Chat Completions API的messages数组支持三种角色：system、user和assistant
5
Sources
75%
Confidence
Medium-term (~90 days)
Relevance
7/2/2026
First Seen
Valid until: 9/30/2026
Sources
Trae IDE接入自定义模型教程：配置第三方API完整指南
bilibiliSmart_Key6/1/2026
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