Model Directory
    Google

    Gemini 3.1 Pro Preview

    Context 1.0MIn $2/MOut $12/M

    Gemini 3.1 Pro Preview is Google’s frontier reasoning model, delivering enhanced software engineering performance, improved agentic reliability, and more efficient token usage across complex workflows. Building on the multimodal foundation...

    Specifications

    ProviderGoogle
    Context window1,048,576 tokens (1.0M)
    Input price$2 / 1M tokens
    Output price$12 / 1M tokens
    Input modalitiesaudio, file, image, text, video
    Output modalitiestext
    Model IDgoogle/gemini-3.1-pro-preview

    Pricing is per 1M tokens, indicative pricing via OpenRouter (updated 2026-08-22); a provider's own list price may differ.

    Frequently asked questions

    How much does Gemini 3.1 Pro Preview cost?

    Indicative pricing (via OpenRouter, updated 2026-08-22) is $2 per 1M input tokens and $12 per 1M output tokens. A provider's own list price may differ. On Vincony, Gemini 3.1 Pro Preview is available on credit-based pricing alongside 800+ other models.

    What is Gemini 3.1 Pro Preview's context window?

    Gemini 3.1 Pro Preview supports a context window of up to 1,048,576 tokens (1.0M), which is how much text it can consider at once.

    Who makes Gemini 3.1 Pro Preview?

    Gemini 3.1 Pro Preview is built by Google. You can access it — and compare it against other providers' models — through Vincony's multi-model platform.

    How do I use Gemini 3.1 Pro Preview?

    You can use Gemini 3.1 Pro Preview directly through Google, or via Vincony, which aggregates 800+ models (including Gemini 3.1 Pro Preview) into one interface with side-by-side comparison and credit-based pricing.