Gemini 3.8 Flash

Gemini 3.8 Flash is a Google model released on September 2, 2026, with the API ID gemini-3.8-flash.

Lab: Google DeepMind
Release date: September 2, 2026
Status: Generally available
API model ID: gemini-3.8-flash
Context window: 1,048,576 tokens
Max output: 65,536 tokens

Google released Gemini 3.8 Flash on September 2, 2026, and the Gemini API changelog lists it as generally available that day, describing it as Google’s most intelligent Flash model, built for long-horizon software engineering. The Gemini API docs list it as gemini-3.8-flash, with text, image, video, audio and PDF input, text output, a 1,048,576-token input limit and a 65,536-token output limit.

Google lists it in the Gemini API via Google AI Studio, Android Studio, Stitch, Gemini Enterprise, the Gemini app, AI Mode in Search, Google Sheets and Google Antigravity.

Modalities: Text, image, video, audio and PDF input; text output
Availability: Gemini API via Google AI Studio; Android Studio; Stitch; Gemini Enterprise; Gemini app; AI Mode in Google Search; Google Sheets; Google Antigravity.
Official source: blog.google
Last checked: October 2, 2026

Questions

When was Gemini 3.8 Flash released?

Google released Gemini 3.8 Flash on September 2, 2026, and the Gemini API changelog lists it as generally available that day.

What is the context window of Gemini 3.8 Flash?

The Gemini API docs list a 1,048,576-token input limit and a 65,536-token output limit.

Where can I use Gemini 3.8 Flash?

In the Gemini API via Google AI Studio, Android Studio, Stitch, Gemini Enterprise, the Gemini app, AI Mode in Search, Google Sheets and Google Antigravity.

What is Gemini 3.8 Flash built for?

Google describes it as its most intelligent Flash model, built for long-horizon software engineering.

Source

Release dates, model IDs and limits come from each lab’s own announcement, changelog, documentation or deprecations page, linked on every model with the date it was last checked. How we pick and check sources: editorial standards.