Gemini 3.8 Flash

Gemini 3.8 Flash is Google's generally available workhorse for long-horizon software engineering, autonomous agents, and complex multimodal enterprise workflows.

Language ModelMultimodalCoding AssistantAgent WorkflowsLong ContextGoogle

Gemini API / Google AI Studio / Gemini Enterprise / Google products

Introductory through December 31, 2026: $0.75/1M input and $3.75/1M output; standard from January 1, 2027: $1.50/1M input and $7.50/1M output

Commercial

🚀Function Overview

Gemini 3.8 Flash pairs a stable GA model contract and broad multimodal tools with low introductory pricing and frontier-adjacent agent performance.

Key Features

Stable GA Gemini API model ID gemini-3.8-flash
1,048,576-token input limit and 65,536-token output limit
Text, image, video, audio, and PDF input with text output
Low, medium, and high thinking levels; minimal is not supported
Caching, code execution, file search, function calling, structured output, URL context, and search or Maps grounding
Computer use supported in preview
Batch, Flex, and Priority inference supported
Introductory pricing of $0.75 input and $3.75 output per million tokens through December 31, 2026
Standard pricing of $1.50 input and $7.50 output per million tokens from January 1, 2027

Use Cases

•Long-horizon software engineering agents
•High-volume multimodal document and media analysis
•Enterprise workflows using Google grounding and tool surfaces
•Cost-sensitive agent routing with configurable thinking
•Migration from earlier Gemini Flash models

⚙️Input Parameters

model

string

Use gemini-3.8-flash for the stable generally available model.

input

object

Text or supported image, video, audio, or PDF content.

thinking_level

string

Use low, medium, or high; minimal is not supported for this model.

tools

array

Optional Google grounding, search, code execution, file search, function, URL, or preview computer-use tools.

💡Usage Examples

Example 1

Input Parameters

{
  "model": "gemini-3.8-flash",
  "input": "Review these product requirements and repository files, then produce the smallest implementation plan with explicit acceptance checks.",
  "thinking_level": "high"
}

Output Results

Gemini 3.8 Flash returns text through the supported Gemini API surface. Validate tool calls, token use, latency, and task success before replacing a production route.

Quick Actions

Technical Specifications

Hardware Type: Gemini API / Google AI Studio / Gemini Enterprise / Google products
Commercial Use: Supported
Pricing: Introductory through December 31, 2026: $0.75/1M input and $3.75/1M output; standard from January 1, 2027: $1.50/1M input and $7.50/1M output