Unverified50% confidenceFactExact time
主流大模型API如OpenAI GPT-4o、Anthropic Claude均采用按Token计费模式，输入与输出Token分别计价
1
Sources
50%
Confidence
Medium-term (~90 days)
Relevance
7/16/2026
First Seen
Valid until: 10/14/2026
Sources
Related Claims
Unverified调用GPT、Claude、Gemini等模型API均需按Token付费77% similarUnverified早期GPT-3 API仅按总Token数统一计费，不区分输入输出，OpenAI在GPT-3.5时代开始分离输入/输出定价77% similarUnverifiedGPT-4o的输入Token和输出Token价格不同，一次复杂的Agent调用可能涉及多轮模型交互，实际消耗Token数量远超用户直观感受77% similarVerifiedGPT-4由OpenAI开发，Claude由Anthropic开发，这些模型的参数规模已达数千亿级别75% similarUnverifiedOpenAI的API服务允许企业将GPT能力嵌入自身产品，按Token用量计费75% similar
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