Unverified50% confidenceFactExact time
The vast majority of commercial LLM APIs (such as OpenAI, Anthropic, and Google) use a billing model that charges input and output separately, with the per-token price for output typically 3 to 5 times that of input.
1
Sources
50%
Confidence
Medium-term (~90 days)
Relevance
9/25/2026
First Seen
Valid until: 12/24/2026
Sources
Related Entities
Related Claims
UnverifiedOpenAI API按token用量计费，输出token通常比输入token贵2-3倍，因为生成过程是自回归的80% similarUnverifiedLLM API providers such as OpenAI and Anthropic broadly adopt token bucket rate limiting.74% similarVerifiedMainstream AI vendors such as OpenAI, Google, and Anthropic all adopt an SDK+API business model, charging based on the number of calls or token consumption.73% similarVerifiedOpenRouter accesses hundreds of models from vendors such as OpenAI, Anthropic, Google, and Meta through a unified API interface, charging users slightly above official pricing to earn the margin.71% similarVerifiedMainstream model providers such as OpenAI and Anthropic both adopt a two-way billing model of input tokens plus output tokens.71% similar
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