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Gemini 3.1 Pro API pricing on OpenRouter
Every OpenRouter Gemini 3.1 Pro rate we track, compared against 5 providers serving the same model.
Input from /1M
$1.00
Output /1M
$6.00
Price rank
#2 of 5
Last updated
September 18, 2026
The cheapest Gemini 3.1 Pro input price we currently track is $0.800/1M on Velokey.
OpenRouter Gemini 3.1 Pro rates
Prices per 1M tokens. Batch and cached-input rates are shown where the provider publishes them.
| Mode | Input | Output |
|---|---|---|
| Batch | $1.00/1M | $6.00/1M |
| Standard | $2.00/1M | $12.00/1M |
About Gemini 3.1 Pro
- Creator
- Context
- 1.0M
- Modalities
- text, image, video, audio
- Tool calling
- Yes
Gemini 3.1 Pro on other providers
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 Pro cost on OpenRouter?
OpenRouter serves Gemini 3.1 Pro from $1.00 per 1M input tokens, across 2 tracked pricing modes. 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 Pro?
OpenRouter ranks #2 of 5 providers we track serving Gemini 3.1 Pro. The cheapest input price right now is on Velokey. Price is only one factor — throughput, latency, and context limits differ between providers.
Does OpenRouter offer batch or cached pricing for Gemini 3.1 Pro?
We track 2 Gemini 3.1 Pro offerings 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.