[KongchangAI]
ModelOpenAI o系列 / o系列

OpenAI o Series

A series of reasoning large models introduced by OpenAI that possess an internal chain of thought and excel at complex reasoning tasks, consuming additional thinking tokens for reasoning before producing output.

Core Facts

Timeline (last 90 days)

Oct 19

Reasoning tokens refer to the tokens consumed by the internal reasoning content generated by models with chain-of-thought capabilities (such as the OpenAI o series, DeepSeek-R1, etc.) before giving a final answer; they are usually not shown directly to the user but are counted toward billing and context window usage.

Unverified50%
Sep 22

Thinking intensity (thinking intensity / reasoning effort) is a tunable parameter exposed to callers by some reasoning models (such as Claude 3.7 Sonnet and the OpenAI o series) to control the depth of the model's internal chain-of-thought reasoning and token consumption.

Unverified50%

All Facts (4)

Source Articles