Verified80% confidenceFactTime unknown
OpenAI's API billing distinguishes between input tokens and output tokens, with output tokens typically priced higher.
10
Sources
80%
Confidence
Long-term
Relevance
6/1/2026
First Seen
Sources
GPT_API_free: Free GPT-4/DeepSeek/Claude API Key Application Tutorial
githubchatanywhere
Related Entities
Related Claims
VerifiedIn API billing, the unit price of output tokens is generally higher than that of input tokens, because the generation process requires autoregressive inference token by token81% similarUnverifiedBoth Anthropic's Claude API and OpenAI's API natively support prompt caching, with input token prices on cache hits typically only 10%–25% of the normal price.79% similarUnverifiedOpenAI typically charges 4–6 times more for output tokens than input tokens, because the computation involved in generation far exceeds that of comprehension.78% similar
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