Unverified50% confidenceFactExact time
d1-ultra's billing method charges only for input tokens, does not charge output token fees, and image inputs also count toward input tokens.
1
Sources
50%
Confidence
Short-term (~14 days)
Relevance
10/16/2026
First Seen
Valid until: 10/30/2026
Sources
Related Entities
Related Claims
UnverifiedCached input tokens are a discount mechanism offered by providers such as OpenAI for large repeated prefixes (such as system prompts, long documents, and few-shot examples); input tokens that hit the cache are billed at a lower rate, usually only about one-tenth of the standard input price.73% similarUnverifiedThe output token unit price of LLM APIs is usually 3 to 5 times the input token unit price72% similarUnverifiedMost APIs bill image input as token-equivalent, with visual tokens and text tokens consuming the same budget.71% similarUnverifiedToken-based billing includes both input tokens (including historical conversation context) and output tokens71% similarUnverifiedIn mainstream API pricing structures such as Anthropic's, the unit price of cache-read tokens is only 1/10 to 1/30 of standard input tokens.70% similar
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