Verified65% confidenceFactTime unknown
Chat models such as GPT-3.5-turbo and GPT-4 use a message list composed of three role types—system, user, and assistant—as their input format.
3
Sources
65%
Confidence
Long-term
Relevance
6/3/2026
First Seen
Sources
Related Entities
Related Claims
Unverified2023年3月随 GPT-3.5-Turbo 推出的 Chat Completions 接口引入了角色化的 messages 结构（system/user/assistant）79% similarUnverifiedGPT-3 仅能生成文本，GPT-4 引入多模态理解，以 Function Calling 为核心的 Agent 架构是第三次关键跃升78% similarUnverifiedThe early GPT-4's tool calls (such as Code Interpreter and Browsing) used a plugin-style architecture that separated reasoning from execution.75% similar
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