Verified65% confidenceFactExact time
In 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.
3
Sources
65%
Confidence
Long-term
Relevance
9/29/2026
First Seen
Sources
Related Entities
Related Claims
UnverifiedAnthropic's prompt caching is priced at $0.30 per million tokens for cache reads (about 10% of the standard input price), requires explicitly marking cache breakpoints, and carries a premium for cache writes.80% similarUnverifiedThe cost of the fixed context can be approximated as: number of fixed-prefix tokens × number of calls × cache-read unit price.77% similarUnverifiedPrompt Cache refers to a provider caching already-processed identical prefix tokens, where the price of cache-hit tokens is typically only 10%–50% of the normal price.75% 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.74% similarUnverifiedPrompt Caching在提示词前缀完全相同且超过约1024 token阈值时命中，缓存token通常按原价的25%甚至更低计费74% similar
Cite This Claim
Stable URI
https://kongchang.com/claim/957969API
curl https://kongchang.com/api/v1/knowledge/claims/957969MCP
get_claim(id=957969)