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Gemini 3.1 Flash Image API pricing on OpenRouter

Every OpenRouter Gemini 3.1 Flash Image rate we track, compared against 1 provider serving the same model.

Input from /1M
$0.500
Output /1M
$3.00
Price rank
#1 of 1
Last updated
August 4, 2026

OpenRouter Gemini 3.1 Flash Image rates

Prices per 1M tokens. Batch and cached-input rates are shown where the provider publishes them.

OpenRouter Gemini 3.1 Flash Image pricing by mode
ModeInputOutput
Standard$0.500/1M$3.00/1M

About Gemini 3.1 Flash Image

Creator
Google
Context
66K
Modalities
text, image
Full Gemini 3.1 Flash Image details and every provider →

About OpenRouter

OpenRouter provides a unified API for accessing hundreds of AI models from multiple providers. It aggregates models from OpenAI, Anthropic, Google, Meta, Mistral, and many others, offering a single endpoint with automatic fallback routing and provider optimization.

Frequently Asked Questions

How much does Gemini 3.1 Flash Image cost on OpenRouter?

OpenRouter serves Gemini 3.1 Flash Image from $0.500 per 1M input tokens, across 1 tracked pricing mode. Prices are collected daily — see the table above for current input, output, and cached-input rates.

Is OpenRouter the cheapest way to run Gemini 3.1 Flash Image?

Of the 1 providers we track serving Gemini 3.1 Flash Image, OpenRouter currently has the lowest input price. Rates change often, and throughput and latency differ between providers — check the comparison above before committing.

Does OpenRouter offer batch or cached pricing for Gemini 3.1 Flash Image?

We track 1 Gemini 3.1 Flash Image offering from OpenRouter. Batch and cached-input rates appear in the table above when the provider publishes them; blank cells mean we have no current figure for that mode.