gemini-3-flash-preview

Googlegemini-3-flash-preview

Gemini 3 Flash Preview is a high speed, high value thinking model designed for agentic workflows, multi turn chat, and coding assistance. It delivers near Pro level reasoning and tool use performance with substantially lower latency than larger Gemini variants, making it well suited for interactive development, long running agent loops, and collaborative coding tasks. Compared to Gemini 2.5 Flash, it provides broad quality improvements across reasoning, multimodal understanding, and reliability. The model supports a 1M token context window and multimodal inputs including text, images, audio, video, and PDFs, with text output. It includes configurable reasoning via thinking levels (minimal, low, medium, high), structured output, tool use, and automatic context caching. Gemini 3 Flash Preview is optimized for users who want strong reasoning and agentic behavior without the cost or latency of full scale frontier models.

API Pricing

Price typeBilling expression
Official price
Base pricingPricing tier: base
  • Input usage × $0.50
  • Output usage × $3.00
  • Cached read × $0.05
Gemini_Ultra×0.880% of official list price
Base pricingPricing tier: base
  • Input usage × $0.40
  • Output usage × $2.40
  • Cached read × $0.04

Group multiplier: x0.8

Official pricing is subject to the model provider's latest published pricing and may vary by request method or service region. Gemini_Ultra — TokenByte channel pricing. Actual prices and availability reflect current platform data.

Model information

Model providerGoogle
Model IDgemini-3-flash-preview
Context window1048576
InputTextImageVideoAudio
OutputText

Frequently asked questions

01

What is Gemini 3 Flash Preview?

Gemini 3 Flash Preview is a high speed, high value thinking model designed for agentic workflows, multi turn chat, and coding assistance. It delivers near Pro level reasoning and tool use performance with substantially lower latency than larger Gemini variants, making it well suited for interactive development, long running agent loops, and collaborative coding tasks.
02

How much does Gemini 3 Flash Preview cost?

Gemini 3 Flash Preview costs $0.50/M input tokens and $3.00/M output tokens, with separate rates for Cache Read at $0.05/M tokens, Cache Write at $0.08333/M tokens, Image Input at $0.50/M tokens, Input Audio at $1.00/M tokens, Input Audio Cache at $0.10/M tokens, and Web Search at $14.00/1K calls.
03

What is the context length of Gemini 3 Flash Preview?

Gemini 3 Flash Preview has a 1,048,576 token context window. It supports up to 65,536 completion tokens.