Reddit Sentiment Analyzer

🤖 AI-powered Reddit scraper with sentiment analysis - Extract posts and comments from Reddit with automatic sentiment scoring, topic extraction, and entity recognition using Google Gemini AI.

🚀 Features

• Scrape Reddit - Extract posts and comments from any subreddit or post URL
• AI Sentiment Analysis - Analyze sentiment using Google Gemini 2.5 Flash
• Topic Extraction - Automatically identify discussion topics
• Entity Recognition - Detect mentioned brands, people, and products
• Controversy Scoring - Score how likely comments are to spark debate
• Proxy Support - Built-in residential proxy to bypass Reddit blocking

📦 Try it on Apify

▶️ Run on Apify Store

First 5 results are FREE, then pay-per-result pricing.

💡 Use Cases

• Brand Monitoring - Track what people say about your brand on Reddit
• Market Research - Understand community sentiment on topics
• Competitor Analysis - Monitor competitor mentions and sentiment
• Trend Detection - Identify emerging topics and shifts in opinion
• Content Ideas - Find what resonates with Reddit communities

🛠️ Input

Field	Type	Description
startUrls	array	Reddit post or subreddit URLs
maxPosts	number	Max posts per subreddit (1-100)
maxComments	number	Max comments per post (0 = all)
enableSentiment	boolean	Enable AI sentiment analysis
googleApiKey	string	Your Gemini API key (required for AI)
useProxy	boolean	Use residential proxy (recommended)

📊 Output Example

{
  "postId": "abc123",
  "title": "What's your unpopular opinion?",
  "subreddit": "AskReddit",
  "score": 1547,
  "numComments": 892,
  "insights": {
    "dominant_sentiment": "mixed",
    "average_sentiment_score": 0.12,
    "sentiment_distribution": {
      "positive": 35,
      "negative": 28,
      "neutral": 25,
      "mixed": 12
    }
  },
  "comments": [
    {
      "author": "user123",
      "body": "I actually enjoy Mondays...",
      "score": 234,
      "sentiment": "positive",
      "sentiment_score": 0.7,
      "topics": ["work", "lifestyle"],
      "controversy_score": 0.8
    }
  ]
}

🔑 Getting a Gemini API Key

1. Go to Google AI Studio
2. Create a new API key
3. Paste it in the googleApiKey input field

💡 Tip: Google AI Ultra subscribers get free Gemini API credits!

💰 Pricing

Tier	Price
First 5 results	FREE
Additional results	$0.002/result

Proxy costs are included in the per-result pricing.

🏗️ Tech Stack

• Runtime: Node.js on Apify
• AI: Google Gemini 2.5 Flash
• Proxy: Apify Residential Proxies
• HTTP: Axios with https-proxy-agent

📄 License

ISC License - feel free to use and modify.

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Built by @frostorygon | Portfolio