> ## Documentation Index
> Fetch the complete documentation index at: https://docs.stenox.app/llms.txt
> Use this file to discover all available pages before exploring further.

# Google Gemini

> Fast, powerful AI enhancement with Google's Gemini models

"og:title": "Stenox Docs"

<Warning>
  This is an **AI ENHANCEMENT** provider. It improves transcribed text with grammar correction and formatting.
  For speech-to-text transcription, see [Transcription Providers](/providers/overview#transcription-providers).
</Warning>

## Overview

Google Gemini is a state-of-the-art large language model that excels at grammar correction, formatting, and text improvement. It provides fast, high-quality enhancement for your transcribed text.

**Key Benefits:**

* ⚡ **Very fast** - Sub-second enhancement processing
* 🎯 **High quality** - Excellent grammar correction and formatting
* 🎨 **Versatile** - Handles complex edits, tone adjustments, and custom prompts
* 🎁 **Generous free tier** - Free usage with rate limits

## Free Tier

<Tip>
  **Google Gemini offers a generous free tier!**

  **What you get:**

  * **15 requests per minute** (Gemini 2.5 Flash)
  * **1500 requests per day** (Gemini 2.5 Flash)
  * **All features included**
  * **No credit card required** to start using

  Perfect for regular personal and professional use!
</Tip>

### Free Tier Limits

| Model                    | Requests/Minute | Requests/Day |
| ------------------------ | --------------- | ------------ |
| **Gemini 2.5 Flash**     | 15              | 1500         |
| **Gemini 2.5 Pro**       | 2               | 50           |
| **Gemini 3 Pro Preview** | 5               | Limited      |

<Note>
  **1500 requests per day** means you can enhance approximately **1500 dictations** daily on the free tier. That's more than enough for most users!
</Note>

## Getting Your Free API Key

<Steps>
  <Step title="Visit Google AI Studio">
    Go to [aistudio.google.com](https://aistudio.google.com) in your browser.
  </Step>

  <Step title="Sign in with Google">
    Click **Get Started** or **Sign In** and use your Google account.

    **No credit card required!**
  </Step>

  <Step title="Create an API key">
    1. Click **Get API key** in the left sidebar or top navigation
    2. Click **Create API key**
    3. Choose a project or create a new one
    4. Click **Create API key in new project** (or existing project)
    5. Copy the generated API key immediately
  </Step>

  <Step title="Add key to Stenox">
    1. Open Stenox Settings
    2. Go to **AI Enhancement** tab
    3. Select **Google Gemini** as provider
    4. Paste your API key
    5. Choose your model (Gemini 2.5 Flash recommended)
    6. Click **Save**
  </Step>
</Steps>

<Warning>
  **Keep your API key secure!** Don't share it or commit it to public repositories. Treat it like a password.
</Warning>

## Available Models

Google offers several Gemini model variants:

### Gemini 2.5 Flash (Recommended)

**Best balance of speed and quality:**

* Ultra-fast processing (\< 1 second)
* Excellent grammar correction
* Good at complex formatting
* **15 requests/minute, 1500/day free**

**Best for:** Default choice, everyday enhancement

### Gemini 2.5 Pro

**Maximum quality:**

* Slightly slower than Flash
* Best possible enhancement quality
* Excellent for complex edits
* **2 requests/minute, 50/day free**

**Best for:** Critical writing where quality matters most

### Gemini 3 Pro Preview

**Latest experimental model:**

* Cutting-edge capabilities
* May have instabilities
* Limited availability
* **5 requests/minute free**

**Best for:** Testing newest features

<Tip>
  **Recommendation:** Use **Gemini 2.5 Flash** for the best combination of speed, quality, and generous free tier limits.
</Tip>

## Configuration in Stenox

<Steps>
  <Step title="Open Stenox Settings">
    Click Stenox menu bar icon → **Settings**
  </Step>

  <Step title="Go to AI Enhancement tab">
    Select the **AI Enhancement** tab
  </Step>

  <Step title="Select Google Gemini">
    Choose **Google Gemini** from the provider dropdown
  </Step>

  <Step title="Enter API key">
    Paste your API key from aistudio.google.com
  </Step>

  <Step title="Choose model">
    Select **Gemini 2.5 Flash** (recommended)
  </Step>

  <Step title="Optional: Add custom prompt">
    Configure enhancement behavior (see Custom Prompts section below)
  </Step>

  <Step title="Save">
    Click **Save** to activate Google Gemini
  </Step>
</Steps>

## What Gemini Enhancement Does

### Grammar Correction

* Fixes all grammatical errors
* Subject-verb agreement
* Tense consistency
* Article usage (a, an, the)
* Sentence structure improvements

**Example:**

* **Before:** "me and john was going to the store yesterday and we seen sarah there"
* **After:** "John and I were going to the store yesterday, and we saw Sarah there."

### Formatting & Punctuation

* Adds missing punctuation
* Capitalizes proper nouns
* Formats lists, numbers, dates
* Structures paragraphs
* Adds appropriate line breaks

**Example:**

* **Before:** "john smith lives at 123 main street springfield illinois 62701 his phone is 5551234567"
* **After:** "John Smith lives at 123 Main Street, Springfield, Illinois 62701. His phone is (555) 123-4567."

### Tone Adjustment

With custom prompts, Gemini can adjust tone:

* **Professional** - Business-appropriate language
* **Casual** - Friendly, conversational tone
* **Technical** - Formal documentation style
* **Creative** - Engaging, descriptive writing

**Example (Professional tone):**

* **Before:** "hey just wanted to let u know the meeting got moved to tomorrow"
* **After:** "I wanted to inform you that the meeting has been rescheduled to tomorrow."

### Complex Edits

Gemini handles advanced formatting:

* Restructuring sentences for clarity
* Combining or splitting paragraphs
* Improving word choice
* Making implicit information explicit

## Performance

**Expected enhancement times with Gemini:**

| Transcription Length       | Enhancement Time |
| -------------------------- | ---------------- |
| Short (1-2 sentences)      | \< 0.5 seconds   |
| Medium (paragraph)         | \< 1 second      |
| Long (multiple paragraphs) | 1-2 seconds      |

<Tip>
  Gemini 2.5 Flash is one of the **fastest enhancement options** available, even faster than most local models.
</Tip>

## Custom Prompts

Customize how Gemini enhances your text in Profile settings:

<Tabs>
  <Tab title="Default (Grammar only)">
    ```
    Fix grammar and punctuation errors.
    Keep the original meaning and tone unchanged.
    ```

    **Use for:** General dictation, personal notes
  </Tab>

  <Tab title="Professional Email">
    ```
    Fix grammar and rewrite in a professional, business-appropriate tone.
    Format as a clear, concise email.
    Remove filler words and make it direct.
    ```

    **Use for:** Work emails, business communications
  </Tab>

  <Tab title="Casual Chat">
    ```
    Fix grammar but keep casual, friendly tone.
    Use contractions (e.g., "don't" instead of "do not").
    Keep it conversational.
    ```

    **Use for:** Chat messages, personal emails
  </Tab>

  <Tab title="Technical Documentation">
    ```
    Fix grammar and format for technical documentation.
    Preserve all technical terms and code exactly as stated.
    Use active voice and clear, concise language.
    ```

    **Use for:** Code comments, documentation
  </Tab>
</Tabs>

## Usage Tracking

Monitor your Gemini API usage:

1. Visit [aistudio.google.com](https://aistudio.google.com)
2. Go to **API keys** or **Usage** section
3. View request counts and rate limits

<Note>
  Stenox does not track Gemini usage. Check Google AI Studio for accurate usage statistics.
</Note>

## Privacy Considerations

**What Google sees:**

* Your transcribed text is sent to Google servers
* Google may use data to improve services (check their policies)
* Data is encrypted in transit (HTTPS)
* Review Google's privacy policy and data retention settings

**For complete privacy:**

* Use [MLX (local)](/providers/llm/mlx-local) for 100% offline enhancement
* Or review and configure Google's data retention policies

## When to Use Google Gemini

<CardGroup cols={2}>
  <Card title="Maximum quality" icon="medal">
    Best-in-class grammar correction and formatting.
  </Card>

  <Card title="Speed + quality" icon="bolt">
    Fast processing with excellent results.
  </Card>

  <Card title="Complex edits" icon="wand-magic-sparkles">
    Tone adjustment, style changes, restructuring.
  </Card>

  <Card title="Free cloud option" icon="gift">
    Generous free tier for personal and professional use.
  </Card>
</CardGroup>

## Recommended Combinations

### Best Free Cloud Setup

**Transcription:** [Groq Whisper](/providers/transcription/groq-whisper) (free tier)
**Enhancement:** Google Gemini 2.5 Flash (1500/day free)

**Total time:** \~1-2 seconds
**Cost:** Free!

### Maximum Speed Setup

**Transcription:** [DeepGram Nova-3](/providers/transcription/deepgram) (\< 1 second)
**Enhancement:** Gemini 2.5 Flash (\< 1 second)

**Total time:** \~1-2 seconds
**Cost:** Uses DeepGram and Gemini credits

## Troubleshooting

<AccordionGroup>
  <Accordion title="API key invalid or not working" icon="key">
    * Ensure you copied the complete key (no spaces)
    * Verify API key is active in Google AI Studio
    * Try creating a new API key
    * Check that Gemini API is enabled for your project
  </Accordion>

  <Accordion title="Rate limit exceeded" icon="gauge-high">
    * You've hit the 15/minute or 1500/day limit
    * Wait a few minutes (for per-minute limit)
    * Wait until next day (for daily limit)
    * Use [MLX (local)](/providers/llm/mlx-local) as backup
    * Create a profile without enhancement for quick notes
  </Accordion>

  <Accordion title="Enhancement fails or times out" icon="clock">
    * Check internet connection
    * Verify API key is valid
    * Check Google AI Studio for service status
    * Try a shorter test transcription
  </Accordion>

  <Accordion title="Quality not as expected" icon="spell-check">
    * Adjust custom prompt in Profile settings
    * Try Gemini 2.5 Pro for better quality (lower rate limits)
    * Provide more specific instructions in custom prompt
    * Check that transcription quality is good (enhancement can't fix bad transcription)
  </Accordion>
</AccordionGroup>

## Pricing After Free Tier

If you need more than free tier limits, Gemini offers pay-as-you-go:

| Model                | Free Tier        | Paid Pricing                |
| -------------------- | ---------------- | --------------------------- |
| **Gemini 2.5 Flash** | 15/min, 1500/day | Very affordable per request |
| **Gemini 2.5 Pro**   | 2/min, 50/day    | Higher cost per request     |

[Check current pricing →](https://ai.google.dev/pricing)

<Note>
  Most users never exceed the free tier limits (1500 enhancements per day is a lot!).
</Note>

## Next Steps

<CardGroup cols={2}>
  <Card title="DeepGram Transcription" icon="microphone" href="/providers/transcription/deepgram">
    Combine with DeepGram for ultra-fast, high-quality results.
  </Card>

  <Card title="Create Profiles" icon="layer-group" href="/profiles/creating-profiles">
    Different enhancement settings for different apps.
  </Card>

  <Card title="Free Tier Guide" icon="gift" href="/guides/free-tier-providers">
    Maximize free usage across all providers.
  </Card>

  <Card title="Cloud Setup Guide" icon="cloud" href="/guides/cloud-setup">
    Recommended cloud configuration.
  </Card>
</CardGroup>