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# Top 50 Subreddits for SaaS Founders, Solopreneurs, AI Developers & AI Builders *Research Date: 2025-09-20* *Generated using Reddit MCP Server with semantic vector search* ## Executive Summary This report identifies the top 50 Reddit communities where your Ideal Customer Profile (ICP) of SaaS startup founders, solopreneurs, AI developers, and AI builders actively engage. These communities have been ranked based on: - **Confidence scores** (semantic relevance to ICP) - **Subscriber count** (community size and reach) - **Topic relevance** (direct alignment with ICP interests) - **Engagement potential** (active discussion quality) ## Top 50 Subreddits - Master List ### Tier 1: Primary Target Communities (Confidence > 0.8) *These communities have the highest relevance to your ICP* 1. **r/aipromptprogramming** - 107,001 subscribers | Confidence: 0.911 - AI development focus with prompt engineering - https://reddit.com/r/aipromptprogramming 2. **r/AI_Agents** - 191,203 subscribers | Confidence: 0.902 - AI agent development and implementation - https://reddit.com/r/AI_Agents 3. **r/indiehackers** - 105,674 subscribers | Confidence: 0.867 - Solo entrepreneurs and indie developers - https://reddit.com/r/indiehackers 4. **r/ArtificialInteligence** - 1,551,586 subscribers | Confidence: 0.838 - Large AI community with diverse discussions - https://reddit.com/r/ArtificialInteligence 5. **r/SoloFounders** - 2,113 subscribers | Confidence: 0.832 - Dedicated to solo entrepreneurs - https://reddit.com/r/SoloFounders 6. **r/AiBuilders** - 8,387 subscribers | Confidence: 0.826 - AI builders and creators community - https://reddit.com/r/AiBuilders 7. **r/startups** - 1,891,655 subscribers | Confidence: 0.82 - Large startup community - https://reddit.com/r/startups 8. **r/learnAIAgents** - 5,203 subscribers | Confidence: 0.814 - Learning AI agent development - https://reddit.com/r/learnAIAgents 9. **r/AiAutomations** - 7,085 subscribers | Confidence: 0.811 - AI automation tools and workflows - https://reddit.com/r/AiAutomations 10. **r/AI_Application** - 14,902 subscribers | Confidence: 0.801 - Applied AI development - https://reddit.com/r/AI_Application ### Tier 2: High-Value Communities (Confidence 0.7 - 0.8) 11. **r/Entrepreneur** - 4,871,109 subscribers | Confidence: 0.785 - Massive entrepreneurship community - https://reddit.com/r/Entrepreneur 12. **r/machinelearningnews** - 107,720 subscribers | Confidence: 0.779 - ML news and developments - https://reddit.com/r/machinelearningnews 13. **r/AI_Application** - 14,902 subscribers | Confidence: 0.778 - AI implementation focus - https://reddit.com/r/AI_Application 14. **r/Entrepreneurs** - 77,330 subscribers | Confidence: 0.777 - Active entrepreneur discussions - https://reddit.com/r/Entrepreneurs 15. **r/EntrepreneurRideAlong** - 604,396 subscribers | Confidence: 0.775 - Entrepreneurial journey sharing - https://reddit.com/r/EntrepreneurRideAlong 16. **r/EntrepreneurConnect** - 5,178 subscribers | Confidence: 0.752 - Networking for entrepreneurs - https://reddit.com/r/EntrepreneurConnect 17. **r/AutoGenAI** - 7,165 subscribers | Confidence: 0.726 - Automated AI generation tools - https://reddit.com/r/AutoGenAI 18. **r/Entrepreneurship** - 99,462 subscribers | Confidence: 0.720 - Business and entrepreneurship focus - https://reddit.com/r/Entrepreneurship 19. **r/SoloFounders** - 2,113 subscribers | Confidence: 0.717 - Solo founders community - https://reddit.com/r/SoloFounders 20. **r/HowToAIAgent** - 6,950 subscribers | Confidence: 0.711 - AI agent tutorials and guides - https://reddit.com/r/HowToAIAgent ### Tier 3: Strong Secondary Communities (Confidence 0.6 - 0.7) 21. **r/artificial** - 1,135,505 subscribers | Confidence: 0.679 - General AI discussions - https://reddit.com/r/artificial 22. **r/AgentsOfAI** - 46,494 subscribers | Confidence: 0.675 - AI agents community - https://reddit.com/r/AgentsOfAI 23. **r/small_business_ideas** - 23,034 subscribers | Confidence: 0.671 - Business idea validation - https://reddit.com/r/small_business_ideas 24. **r/BlackboxAI_** - 8,357 subscribers | Confidence: 0.659 - AI development tools - https://reddit.com/r/BlackboxAI_ 25. **r/FetchAI_Community** - 21,415 subscribers | Confidence: 0.654 - AI technology community - https://reddit.com/r/FetchAI_Community 26. **r/cofounderhunt** - 16,287 subscribers | Confidence: 0.654 - Finding co-founders - https://reddit.com/r/cofounderhunt 27. **r/AboutAI** - 10,076 subscribers | Confidence: 0.652 - AI education and discussion - https://reddit.com/r/AboutAI 28. **r/PydanticAI** - 3,039 subscribers | Confidence: 0.652 - Python AI development - https://reddit.com/r/PydanticAI 29. **r/AIAssisted** - 71,088 subscribers | Confidence: 0.647 - AI-assisted work and creativity - https://reddit.com/r/AIAssisted 30. **r/AI_Tools_Land** - 6,608 subscribers | Confidence: 0.631 - AI tools discovery - https://reddit.com/r/AI_Tools_Land ### Tier 4: Valuable Niche Communities (Confidence 0.5 - 0.6) 31. **r/Automate** - 146,410 subscribers | Confidence: 0.630 - Automation tools and workflows - https://reddit.com/r/Automate 32. **r/SaaS** - 374,943 subscribers | Confidence: 0.629 - SaaS business discussions - https://reddit.com/r/SaaS 33. **r/AI_India** - 13,678 subscribers | Confidence: 0.623 - Indian AI community - https://reddit.com/r/AI_India 34. **r/Business_Ideas** - 370,194 subscribers | Confidence: 0.619 - Business idea discussions - https://reddit.com/r/Business_Ideas 35. **r/ThinkingDeeplyAI** - 11,572 subscribers | Confidence: 0.616 - AI philosophy and deep thinking - https://reddit.com/r/ThinkingDeeplyAI 36. **r/PROJECT_AI** - 2,365 subscribers | Confidence: 0.615 - AI project collaboration - https://reddit.com/r/PROJECT_AI 37. **r/AI_Agents** - 191,203 subscribers | Confidence: 0.608 - AI agent development - https://reddit.com/r/AI_Agents 38. **r/genspark_ai** - 2,224 subscribers | Confidence: 0.590 - AI development platform - https://reddit.com/r/genspark_ai 39. **r/CreatorsAI** - 4,509 subscribers | Confidence: 0.584 - AI for content creators - https://reddit.com/r/CreatorsAI 40. **r/learnAIAgents** - 5,203 subscribers | Confidence: 0.584 - Learning AI development - https://reddit.com/r/learnAIAgents ### Tier 5: Supporting Communities (Confidence 0.45 - 0.5) 41. **r/neuralnetworks** - 29,721 subscribers | Confidence: 0.581 - Neural network development - https://reddit.com/r/neuralnetworks 42. **r/cofounderhunt** - 16,287 subscribers | Confidence: 0.578 - Co-founder matching - https://reddit.com/r/cofounderhunt 43. **r/mlops** - 24,727 subscribers | Confidence: 0.574 - Machine learning operations - https://reddit.com/r/mlops 44. **r/HowToAIAgent** - 6,950 subscribers | Confidence: 0.574 - AI agent tutorials - https://reddit.com/r/HowToAIAgent 45. **r/FetchAI_Community** - 21,415 subscribers | Confidence: 0.572 - Fetch.ai community - https://reddit.com/r/FetchAI_Community 46. **r/aiHub** - 9,867 subscribers | Confidence: 0.571 - AI resources hub - https://reddit.com/r/aiHub 47. **r/selfpublish** - 196,096 subscribers | Confidence: 0.566 - Self-publishing entrepreneurs - https://reddit.com/r/selfpublish 48. **r/PydanticAI** - 3,039 subscribers | Confidence: 0.564 - Python AI framework - https://reddit.com/r/PydanticAI 49. **r/aifails** - 20,511 subscribers | Confidence: 0.563 - Learning from AI failures - https://reddit.com/r/aifails 50. **r/learnmachinelearning** - 547,704 subscribers | Confidence: 0.561 - Machine learning education - https://reddit.com/r/learnmachinelearning ## Community Engagement Strategy ### Primary Focus (Top Priority) Focus on communities with: - High confidence scores (>0.7) - Active subscriber bases (>10,000) - Direct ICP alignment **Recommended top 5 for immediate engagement:** 1. r/AI_Agents (191K subscribers, 0.902 confidence) 2. r/aipromptprogramming (107K subscribers, 0.911 confidence) 3. r/indiehackers (105K subscribers, 0.867 confidence) 4. r/startups (1.8M subscribers, 0.82 confidence) 5. r/Entrepreneur (4.8M subscribers, 0.785 confidence) ### Content Strategy by ICP Segment #### For SaaS Founders: - r/SaaS (374K subscribers) - r/startups (1.8M subscribers) - r/SoloFounders (2K subscribers) - r/EntrepreneurRideAlong (604K subscribers) #### For Solopreneurs: - r/indiehackers (105K subscribers) - r/SoloFounders (2K subscribers) - r/Entrepreneur (4.8M subscribers) - r/EntrepreneurConnect (5K subscribers) #### For AI Developers: - r/aipromptprogramming (107K subscribers) - r/machinelearningnews (107K subscribers) - r/learnmachinelearning (547K subscribers) - r/mlops (24K subscribers) #### For AI Builders: - r/AI_Agents (191K subscribers) - r/AiBuilders (8K subscribers) - r/AiAutomations (7K subscribers) - r/AutoGenAI (7K subscribers) ## Key Insights 1. **Large Communities with High Relevance**: Several communities combine massive reach (>100K subscribers) with high confidence scores (>0.7), offering excellent engagement opportunities. 2. **Niche Communities**: Smaller, highly-focused communities like r/SoloFounders and r/AiBuilders may have fewer members but offer highly targeted engagement. 3. **Cross-Pollination Opportunities**: Many users are active across multiple communities, allowing for strategic cross-posting and relationship building. 4. **AI Focus is Strong**: The AI development and builder communities show extremely high confidence scores, indicating strong alignment with current market trends. 5. **Entrepreneurship Overlap**: Strong overlap between entrepreneurship and AI communities suggests your ICP is at the intersection of business and technology. ## Recommended Next Steps 1. **Profile Analysis**: Conduct deeper analysis of top 10 communities to understand posting rules and culture 2. **Content Calendar**: Develop community-specific content strategies 3. **Engagement Tracking**: Monitor which communities drive the most valuable interactions 4. **Relationship Building**: Identify and connect with key influencers in each community 5. **Value-First Approach**: Focus on providing value before any promotional activities --- *Note: Confidence scores are based on semantic relevance to the search queries. Subscriber counts are current as of the research date. Community dynamics and rules should be reviewed before engagement.*

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