> ## 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.

# OpenAI

> GPT-4o and other OpenAI models for AI enhancement

"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

OpenAI provides access to GPT-4o and other powerful language models for text enhancement. These models offer top-tier quality for grammar correction, formatting, and tone adjustment.

**Key Benefits:**

* GPT-4o for highest quality enhancement
* Consistent, reliable results
* Great for professional writing
* Works on any Mac

## Setup Instructions

<Steps>
  <Step title="Create OpenAI Account">
    Visit [platform.openai.com](https://platform.openai.com) and sign up or log in
  </Step>

  <Step title="Add Payment Method">
    Go to **Settings** → **Billing** → Add a payment method

    <Note>
      OpenAI requires a payment method for API access.
    </Note>
  </Step>

  <Step title="Generate API Key">
    Go to **API Keys** → **Create new secret key** → Copy the key immediately

    <Warning>
      API keys are shown only once. Store it securely before continuing.
    </Warning>
  </Step>

  <Step title="Add to Stenox">
    Open Stenox Settings → **Providers** tab → **OpenAI** → Paste your API key
  </Step>

  <Step title="Select as AI Enhancement Provider">
    In your Profile settings, set **AI Enhancement Provider** to **OpenAI**
  </Step>
</Steps>

## Models

Stenox uses GPT-4o for AI enhancement:

| Model      | Quality   | Speed | Best For                            |
| ---------- | --------- | ----- | ----------------------------------- |
| **GPT-4o** | Excellent | Fast  | Professional writing, complex edits |

<Tip>
  GPT-4o offers the best balance of quality and speed for text enhancement.
</Tip>

## Pricing

OpenAI API is pay-per-use. For typical dictation enhancement:

| Usage                          | Approximate Cost  |
| ------------------------------ | ----------------- |
| Light (10 enhancements/day)    | \~\$0.01-0.02/day |
| Moderate (50 enhancements/day) | \~\$0.05-0.10/day |
| Heavy (100+ enhancements/day)  | \~\$0.10-0.20/day |

<Note>
  For free AI enhancement, consider [Google Gemini](/providers/llm/google-gemini) (1,500 free/day) or [Groq](/providers/llm/groq-llms) (generous free tier).
</Note>

## What OpenAI Enhancement Does

### Grammar & Punctuation

* Fixes grammatical errors
* Adds proper punctuation
* Corrects tense and agreement

### Professional Formatting

* Proper capitalization
* Number and date formatting
* Structure and flow improvements

### Tone Adjustment

* Configure via custom prompts in Profile settings
* Professional, casual, formal, or custom tones

## When to Use OpenAI

<CardGroup cols={2}>
  <Card title="Best Quality" icon="crown">
    When you need the highest quality text enhancement
  </Card>

  <Card title="Professional Writing" icon="briefcase">
    For important emails, documents, and presentations
  </Card>

  <Card title="Complex Edits" icon="wand-magic-sparkles">
    When text needs significant restructuring or improvement
  </Card>

  <Card title="OpenAI Ecosystem" icon="layer-group">
    Already using OpenAI for other services
  </Card>
</CardGroup>

## When to Consider Alternatives

* **Budget-conscious:** Google Gemini or Groq offer free tiers
* **Maximum privacy:** MLX runs locally on your Mac
* **Maximum speed:** Groq offers sub-second responses

## Troubleshooting

<AccordionGroup>
  <Accordion title="Invalid API key error" icon="key">
    * Verify you copied the complete key
    * Check the key is active in OpenAI dashboard
    * Ensure billing is set up
  </Accordion>

  <Accordion title="Rate limit exceeded" icon="clock">
    * OpenAI has usage limits based on account tier
    * Wait a few minutes or upgrade your account
    * Consider using Gemini or Groq as fallback
  </Accordion>

  <Accordion title="Enhancement quality not as expected" icon="message-question">
    * Adjust custom prompt in Profile settings
    * Try being more specific about desired output
    * Check that the right model is selected
  </Accordion>
</AccordionGroup>

## Next Steps

<CardGroup cols={2}>
  <Card title="OpenAI Transcription" icon="microphone" href="/providers/transcription/openai-whisper">
    Use OpenAI Whisper for transcription too.
  </Card>

  <Card title="Custom Prompts" icon="sliders" href="/profiles/system-prompts">
    Customize how OpenAI enhances your text.
  </Card>

  <Card title="Create Profiles" icon="layer-group" href="/profiles/creating-profiles">
    Set up OpenAI for specific use cases.
  </Card>
</CardGroup>