Unverified85% confidenceFactTime unknown
OpenAI O系列模型的推理Token虽然不会出现在最终输出中，但仍然计入Token用量和费用
1
Sources
85%
Confidence
Long-term
Relevance
6/1/2026
First Seen
Sources
LangChain 1.3 事件流实战：4大视角实时监控Agent运行全过程
bilibili小天老师的AI大课堂
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Unverified限量预览模式延续了 OpenAI 在 o1、o3 等推理模型上的渐进式发布策略72% similarUnverifiedClosed-source models such as OpenAI's GPT series and Anthropic's Claude series keep model weights proprietary and are only accessible through paid API calls70% similarUnverifiedrun.messages中的reasoning字段（大模型推理过程）目前仅OpenAI O系列模型支持69% similarUnverifiedOpenAI、Anthropic等主流模型提供商均采用输入Token加输出Token的双向计费模式67% similarUnverifiedOpenAI o1系列采用隐式CoT（thinking tokens），推理过程对用户不可见但仍消耗计算资源67% similar
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