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●SUNSET — Five days until the imagen-4.0 family shuts down: imagen-4.0-generate-001 and two sibling models stop on August 17●SAMPLING — Since July 21 the temperature, top_p, and top_k parameters are deprecated; no shutdown date yet, but worth auditing your calls●API — The Interactions API is now generally available and is the recommended path to the latest models and features●ROBOTICS — gemini-robotics-er-1.6-preview shuts down on August 31; its successor, ER 2, has been in public preview since July 30●ENTERPRISE — The Gemini Enterprise mobile app reached GA for organizations authenticating through third-party identity providers●RENAME — NotebookLM Enterprise is now Gemini Notebook Enterprise, so the term to search the docs for has changed too●SUNSET — Five days until the imagen-4.0 family shuts down: imagen-4.0-generate-001 and two sibling models stop on August 17●SAMPLING — Since July 21 the temperature, top_p, and top_k parameters are deprecated; no shutdown date yet, but worth auditing your calls●API — The Interactions API is now generally available and is the recommended path to the latest models and features●ROBOTICS — gemini-robotics-er-1.6-preview shuts down on August 31; its successor, ER 2, has been in public preview since July 30●ENTERPRISE — The Gemini Enterprise mobile app reached GA for organizations authenticating through third-party identity providers●RENAME — NotebookLM Enterprise is now Gemini Notebook Enterprise, so the term to search the docs for has changed too
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Model Routing

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Gemini API2Indie Development2Gemini 3.5 Flash2Flash-Lite1Cost Modeling1Cost Optimization1Retry Design1model selection1cost optimization1automation1indie developer1
◈ Gemini API/2026-07-30Advanced

What Decided Our Cascade's Economics Wasn't the Escalation Rate

Putting Flash-Lite in front of 3.6 Flash and escalating only the hard items looks like an easy win. Estimating it from the escalation rate alone will mislead you. Here is the break-even solved with the escalated subset's output length in the equation.

◈ Gemini API/2026-06-26Advanced

Is Gemini 3.5 Flash Actually Cheaper? Measuring Retry Amplification to Find the Flash vs Pro Break-Even

Now that 3.5 Flash is generally available, it is tempting to route everything to it. But once you measure effective cost per success instead of per-call price, the decision changes. Here is a small harness to measure retry amplification and find the break-even.

⟐ Gemini Dev/2026-06-20Intermediate

Routing Gemini by Pipeline Stage: Draft on Flash, Finish on the Top Tier

A record of reworking which Gemini model handles which stage of an automation pipeline, prompted by the general availability of Gemini 3.5 Flash and the rollout of 3.1 Flash-Lite. Includes a small router that splits work into draft, classify, and finalize stages, how the cost picture changes, and the guardrails I settled on.