# Hermoso: Gemini 3.1 Pro on Hermoso: Google’s deepest reasoning + writing

> Machine-readable twin of https://hermoso.ai/models/gemini-3-1-pro/. Generated from the shipped page. Do not edit by hand.
> Full agent guide: https://hermoso.ai/llms.txt · MCP: https://app.hermoso.ai/mcp

[Models](https://hermoso.ai/models/) › [Text models](https://hermoso.ai/models/text/)

# Gemini 3.1 Pro

Google’s deepest reasoning + writing

Google · text model

**Google** maker

**Standard** in the default router pool

**Copy + scripts** hooks, captions, briefs, storyboards

Gemini 3.1 Pro is one of 23 text models Hermoso can write ad copy, hooks and scripts with. Name it, or leave the model out and the router picks a sound default. The same catalog is available from the app, the [MCP server](https://hermoso.ai/mcp/) and the CLI, on one account and one credit balance; the exact price of every render is shown in the app before it runs.

## What people make with it

- [Hooks, headlines and captions](https://hermoso.ai/recipes/highlighted-hook/)
- [UGC scripts and voiceover lines](https://hermoso.ai/recipes/ugc-selfie/)
- [Creative briefs and storyboards](https://hermoso.ai/recipes/how-it-works/)
- [The agent loop that plans a whole ad](https://hermoso.ai/ai-agents/)

The linked formats are [creative recipes](https://hermoso.ai/recipes/) Hermoso plans and renders for your brand.

## About Google

Google makes Veo, Gemini Omni, Imagen and the Nano Banana image models, strong on cinematic motion and text-accurate edits.

## Specs

Best for Google’s deepest reasoning + writing

Tier Standard

Model id `gemini-3.1-pro`

## Gemini 3.1 Pro compared with other text models

Model Maker Tier Best for

**Gemini 3.1 Pro** Google Standard Google’s deepest reasoning + writing

[Gemini 3.5 Flash](https://hermoso.ai/models/gemini-3-5-flash/) Google Standard Fast and sharp, from Google

[Gemini 3.8 Flash](https://hermoso.ai/models/gemini-3-8-flash/) Google Standard Newest Google model, fast and strong at everyday work

[Gemini 3.7 Flash](https://hermoso.ai/models/gemini-3-7-flash/) Google Standard Fast Google model for coding and agentic tool use

[GPT-5 Mini](https://hermoso.ai/models/gpt-5-mini/) OpenAI Standard Fast + cheap OpenAI

[GPT-5](https://hermoso.ai/models/gpt-5/) OpenAI Standard OpenAI’s flagship: broad and reliable

[GPT-5.6 Luna](https://hermoso.ai/models/gpt-5-6-luna/) OpenAI Standard Cost-sensitive workloads

See [all 23 text models](https://hermoso.ai/models/text/) side by side.

## Just ask for it

In Claude, ChatGPT, Cursor or any assistant connected to Hermoso, name the model in plain English. Or pick it from the model menu in the app.

Write five TikTok hooks for our olive oil with Gemini 3.1 Pro.

Use Gemini 3.1 Pro to script a 15 second testimonial, then render it.

Have Gemini 3.1 Pro rewrite this caption for LinkedIn, Instagram and X.

## Getting the best out of Gemini 3.1 Pro

- Give the platform, the length and the count: five nine-word TikTok hooks.
- Paste the product page or a real review. Specifics beat adjectives.
- Ask for variants on one angle at a time (price, speed, proof) so each can be tested cleanly.
- List the words you never want to see. A blocklist is respected.

Write ad copy with Gemini 3.1 Pro. Start free, and every feature is on every plan.

[Start free →](https://app.hermoso.ai/?src=model-gemini-3-1-pro#models/m/llm:gemini-3.1-pro)

[See pricing](https://hermoso.ai/pricing)

## Frequently asked questions

### What is Gemini 3.1 Pro used for in Hermoso?

Google’s deepest reasoning + writing. It writes hooks, captions, scripts and briefs, and can drive the agent loop that plans a whole ad.

### Is Gemini 3.1 Pro the default?

It is in the default pool. Name it to force it, or leave the model out and the router chooses.

## Related text models

Other Google models first, then the text models listed nearest to Gemini 3.1 Pro in the catalog.

[Gemini 3.5 Flash Fast and sharp, from Google](https://hermoso.ai/models/gemini-3-5-flash/)[Gemini 3.8 Flash Newest Google model, fast and strong at everyday work](https://hermoso.ai/models/gemini-3-8-flash/)[Gemini 3.7 Flash Fast Google model for coding and agentic tool use](https://hermoso.ai/models/gemini-3-7-flash/)[GPT-5 Mini Fast + cheap OpenAI](https://hermoso.ai/models/gpt-5-mini/)[GPT-5 OpenAI’s flagship: broad and reliable](https://hermoso.ai/models/gpt-5/)[GPT-5.6 Luna Cost-sensitive workloads](https://hermoso.ai/models/gpt-5-6-luna/)[Gemini 3.6 Flash Previous-generation Flash](https://hermoso.ai/models/gemini-3-6-flash/)[GPT-5.6 Terra Balances intelligence and cost](https://hermoso.ai/models/gpt-5-6-terra/)

See [all 23 text models](https://hermoso.ai/models/text/) or [every model Hermoso offers](https://hermoso.ai/models/).