gemini-3.5-flash

Googlegemini-3.5-flash

Gemini 3.5 Flash is Google's high-efficiency multimodal model, bringing near-Pro level coding and reasoning at Flash-tier cost and speed. It is highly optimized for coding proficiency and parallel agentic execution loops, supporting text, image, video, audio, and PDF inputs. Defaults to medium thinking effort for faster and more cost-efficient responses, with full support for thinking levels (minimal, low, medium, high) for fine-grained cost/performance trade-offs.

API Pricing

Price typeBilling expression
Official price
Base pricingPricing tier: base
  • Input usage × $1.50
  • Output usage × $9.00
  • Cached read × $0.15
Gemini_Ultra×0.880% of official list price
Base pricingPricing tier: base
  • Input usage × $1.20
  • Output usage × $7.20
  • Cached read × $0.12

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-3.5-flash
Context window1048576
InputTextImageVideoAudio
OutputText

Frequently asked questions

01

What is Gemini 3.5 Flash?

Gemini 3.5 Flash is Google's high-efficiency multimodal model, bringing near-Pro level coding and reasoning at Flash-tier cost and speed. It is highly optimized for coding proficiency and parallel agentic execution loops, supporting text, image, video, audio, and PDF inputs.
02

How much does Gemini 3.5 Flash cost?

Gemini 3.5 Flash costs $1.50/M input tokens and $9.00/M output tokens, with separate rates for Cache Read at $0.15/M tokens, Cache Write at $0.08333/M tokens, Image Input at $1.50/M tokens, Input Audio at $3.00/M tokens, Input Audio Cache at $0.30/M tokens, and Web Search at $14.00/1K calls.
03

What is the context length of Gemini 3.5 Flash?

Gemini 3.5 Flash has a 1,048,576 token context window. It supports up to 65,536 completion tokens.