LLM prices per 1M tokens

264 models · 161 price changes

Gemini 3 Flash Preview

Google · Reasoning · 1M context · released Dec 17, 2025 · checked 12h ago

Gemini 3 Flash Preview is a high speed, high value thinking model designed for agentic workflows, multi turn chat, and coding assistance.

Ways to buy 6

Way to buyIn / out per 1M
Google Vertex AI
global-flex, cheapest · cached $0.025
$0.25 / $1.5-50% vs list
Google Gemini API
flex · cached $0.025
$0.25 / $1.5-50% vs list
Google Gemini API API
The lab's own API · cached $0.05
$0.5 / $3List price
Google Vertex AI
global · cached $0.05
$0.5 / $3Same as list
Google Vertex AI
global-priority · cached $0.09
$0.9 / $5.4+80% vs list
Google Gemini API
priority · cached $0.09
$0.9 / $5.4+80% vs list

USD per 1M tokens; batch $0.25 in, $1.5 out on the lab's API. Regions are separate routes.

Through a gateway

Your own numbers

100M input and 20M output tokens a month: $110.00 direct.

A dash: not on that gateway's own model list. No published token fee: Martian Gateway, Portkey, TrueFoundry AI Gateway.

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Gemini Omni 1.1 Flash
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$1.5 / $9Gemini Omni 1.1 Flash is Google's native multimodal video generation and editing model, the generally available successor to Gemini Omni Flash Preview.
Gemini 4 Argon
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Muse Spark 1.1
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About Gemini 3 Flash Preview

Takes text, image, files, audio, video in and returns text. First listed Dec 20, 2025. Up to 66K output tokens. Blended price $1.13 per 1M tokens at 3 input to 1 output. Model id gemini-3-flash-preview.

Price history

$1$32026Dec 20, 2025Output $3Input $0.5

List price since Dec 20, 2025, from Internet Archive snapshots of the OpenRouter catalog, then daily reads.

Questions

How much does Gemini 3 Flash Preview cost?

$0.5 per million input tokens and $3 per million output tokens, with cached input at $0.05, or $0.25 and $1.5 through the Batch API.

What is the context window of Gemini 3 Flash Preview?

1M tokens, with up to 66K tokens of output.

Where is Gemini 3 Flash Preview cheapest?

Of 6 routes tracked, Google Vertex AI is cheapest at $0.25 input and $1.5 output per million tokens.