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Gemini 3.1 Pro Preview
chat / llm

Gemini 3.1 Pro Preview by GOOGLE

google/gemini-3.1-pro-preview

Preview version of Google's flagship reasoning model, offering enhanced analytical capabilities, long-context understanding, and advanced multimodal performance.

Chat / LLM
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Other variants in this seriesFamily guide →Gemini 3.5 Flash$1.50/$9.00 · 1MGemini 3 Flash Preview$0.50/$3.00 · 1MGemini 2.5 Flash ImageGemini 2.5 Pro$1.25/$10.00 · 1MGemini 2.5 Flash$0.30/$2.50 · 1MGemini 2.5 Flash Lite$0.10/$0.40 · 1MGemini 2.5 Flash TTS$0.040Gemini 2.5 Pro TTS$0.080

Questions

How much does Gemini 3.1 Pro Preview cost?
$2.00 per 1M input tokens and $12.00 per 1M output tokens on ElliSekiz — the provider's own price, billed 1:1 from a prepaid USD balance with no markup and no subscription. Failed generations are free.
How do I call Gemini 3.1 Pro Preview from the API?
POST to https://ellisekiz.ai/api/v1/generations with "model": "google/gemini-3.1-pro-preview" and your prompt, authenticated with an ElliSekiz API token. The API tab on this page has the full request for this model, including its own parameters.
Pricing $2.00 in / $12.00 out per 1M tokens · billed 1:1 at provider cost · compare providers