C07 — Context caching

• Publisher: Google
• Source: Context caching
• Published: Not stated / not established
• Updated: Not stated / not established
• Accessed: 2026-10-22
• Type: Official implementation documentation
• Evidence: opened primary page; relevant content read.

Paraphrased finding

Implicit cache hits depend on prefix reuse; explicit cache cost also includes token storage time. Explicit caching is unsupported for Argon.

Limits

Legacy GenerateContent documentation; use actual model/endpoint support. No universal hit-rate guarantee.