●TTS — Gemini 3.8 Flash TTS and Flash-Lite TTS are GA as of September 22. Voice replication works on Flash only; Flash-Lite returns a 400●2.5 — Access to the 2.5 models is now limited to accounts with prior active usage (September 18). Not a deprecation: new projects should start on 3.5 Flash-Lite or 3.8 Flash●9/30 — Two days until gemini-omni-flash-preview shuts down, and gemini-2.5-flash-image follows on October 2. In practice the replacement for the latter is gemini-3.1-flash-image●AUTH — Reports continue of Gemini CLI sign-in failing only for Workspace Enterprise accounts while personal accounts work. Isolating the two is the current focus●NEW — Moving to 3.8 Flash-Lite TTS meant re-picking the voice for our guidance audio●429 — A brand-new project shows Free tier yet returns 429 with limit: 0. Here is what to check in the first hour●TTS — Gemini 3.8 Flash TTS and Flash-Lite TTS are GA as of September 22. Voice replication works on Flash only; Flash-Lite returns a 400●2.5 — Access to the 2.5 models is now limited to accounts with prior active usage (September 18). Not a deprecation: new projects should start on 3.5 Flash-Lite or 3.8 Flash●9/30 — Two days until gemini-omni-flash-preview shuts down, and gemini-2.5-flash-image follows on October 2. In practice the replacement for the latter is gemini-3.1-flash-image●AUTH — Reports continue of Gemini CLI sign-in failing only for Workspace Enterprise accounts while personal accounts work. Isolating the two is the current focus●NEW — Moving to 3.8 Flash-Lite TTS meant re-picking the voice for our guidance audio●429 — A brand-new project shows Free tier yet returns 429 with limit: 0. Here is what to check in the first hour

TAG

Spend Caps

2 articles

← Back to all tags

Gemini API² Cost Management¹ Automation¹ Operations¹ Cost management¹ Architecture¹ Production¹

◈ Gemini API/2026-06-27Advanced

Stopping Runaway Costs Twice: Project Spend Caps Plus an App-Side Soft Limit

Pairing Gemini API Project Spend Caps (a monthly USD ceiling) with an app-side soft circuit breaker that trips before the hard cap. Includes a working Python and sqlite daily cost ledger.

◈ Gemini API/2026-06-26Advanced

When your Gemini API spend cap trips, paying users go down too — isolating the blast radius with per-tier projects

A Project Spend Cap stops the entire project at once. To keep a runaway free tier from taking paying users down with it, this is a design note on isolating the cap's blast radius across per-tier projects and closing the ~10-minute delay with an application-side soft budget gate.