Verified75% confidenceFactExact time
OpenAI uses a conversation format centered on a messages array and specifies the model via the model field.
3
Sources
75%
Confidence
Long-term
Relevance
7/24/2026
First Seen
Sources
Codex与Claude Code配置避坑指南：从权益到跑通的完整流程
Related Claims
UnverifiedMainstream large language model APIs differ significantly in message format: Anthropic uses a messages array structure with a special system prompt separation approach, while OpenAI uses role/content key-value pairs and supports the function calling format.82% similarUnverifiedCommonly used embedding models include OpenAI's text-embedding-ada-002 and the locally runnable sentence-transformers.79% similar
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