Unverified50% confidenceFactExact time
OpenAI o1、o3以及Anthropic Claude 3.7 Sonnet等推理模型会在返回答案前进行大量内部反思，中间推理Token对用户不可见但仍计入计费
1
Sources
50%
Confidence
Medium-term (~90 days)
Relevance
7/21/2026
First Seen
Valid until: 10/19/2026
Sources
Related Claims
VerifiedO3 belongs to OpenAI's o-series reasoning models and introduces a Chain-of-Thought mechanism for multi-step internal reasoning.79% similarUnverified推理强度机制的慢思考范式源自 OpenAI o1 系列，Anthropic 随后在 Claude 3.7 及更新模型中跟进实现75% similarUnverifiedReasoning-enhanced models (such as o1 and DeepSeek-R1) consume large numbers of reasoning tokens in their chain-of-thought process that are invisible to users; the actual tokens consumed by o1-preview are often 3 to 8 times that of the visible output.75% similarUnverifiedReasoning models (such as OpenAI's o1/o3 series, Anthropic's Claude with extended thinking, and DeepSeek-R1) output their thinking process (thinking tokens) before generating the final answer.75% similar
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