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●SUNSET — Four days until the image models shut down: Imagen 4 and the Gemini 3 Image family stop on August 17, so line up your replacements now●FLASH — Gemini 3.6 Flash is generally available, with better token efficiency and stronger code and agentic planning at a lower price than 3.5 Flash●LITE — Gemini 3.5 Flash-Lite also reached GA as a low-latency, cost-conscious subagent option aimed at high-volume automation●OMNI — Gemini Omni Flash, a new video model, is now reachable from the Gemini app, Flow, AI Studio, and the Gemini API●LOGS — Developer logs now cover the Interactions API, with supported calls visible in the AI Studio dashboard●ROBOTICS — gemini-robotics-er-1.6-preview shuts down on August 31, so this is the window to plan the migration●SUNSET — Four days until the image models shut down: Imagen 4 and the Gemini 3 Image family stop on August 17, so line up your replacements now●FLASH — Gemini 3.6 Flash is generally available, with better token efficiency and stronger code and agentic planning at a lower price than 3.5 Flash●LITE — Gemini 3.5 Flash-Lite also reached GA as a low-latency, cost-conscious subagent option aimed at high-volume automation●OMNI — Gemini Omni Flash, a new video model, is now reachable from the Gemini app, Flow, AI Studio, and the Gemini API●LOGS — Developer logs now cover the Interactions API, with supported calls visible in the AI Studio dashboard●ROBOTICS — gemini-robotics-er-1.6-preview shuts down on August 31, so this is the window to plan the migration
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usage_metadata

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Gemini API2Gemini 2.5 Pro1cost management1SaaS operations1Context Caching1cost optimization1TTL1instrumentation1operations1
◈ Gemini API/2026-07-08Intermediate

When My Paid Gemini Chat Bill Came in at Double the Estimate — Field Notes on Per-Request Token Accounting to Plug the Cost Leaks

From a real overrun where my paid Gemini chat SaaS bill nearly doubled the estimate, here is how I logged token usage per request, traced where cost was leaking, and plugged three specific gaps. Recording usage_metadata and reconciling it against the invoice is the starting point.

◈ Gemini API/2026-07-06Advanced

When Context Caching Didn't Lower My Gemini Bill — Field Notes on Measuring the Real Hit Rate

When Context Caching is enabled but the Gemini API bill barely drops, this field note measures the real hit rate from usage_metadata, separates TTL churn from fragmentation, and walks through a staged recovery.