info for solo founders - in the age of vibe coding
| # | Company | Batch | Funding | Round | Problem Solved | Solution/Technology | Lead Investor(s) | Business Type | URL |
|---|---|---|---|---|---|---|---|---|---|
| 1 | David AI | 2024 | $80M | Seed/Series A/B | AI training data quality for audio/multimodal | High-quality audio datasets for speech & conversational AI | Meritech, NVIDIA | B2B AI Data Platform | https://www.withdavid.ai |
| 2 | Motion | Earlier | $38M | Series C | Time management & scheduling inefficiency | AI-powered intelligent scheduling and productivity suite | Scale Venture Partners | B2B SaaS Productivity | https://www.usemotion.com |
| 3 | Emergent | Earlier | $23M | Series A | Non-technical app development barriers | Vibe-coding platform with AI agents building full-stack apps | Lightspeed Venture Partners | B2B/Consumer No-Code | https://www.emergent.ai |
| 4 | Datacurve | Earlier | $15M | Series A | AI training data complexity & quality | High-quality coding datasets via bounty hunter system | Chemistry (Mark Goldberg) | B2B AI Data Infrastructure | https://datacurve.ai |
| 5 | Leya | W24 | $10.5M | Seed | Legal research time-consuming & expensive | AI assistant for lawyers with proprietary legal data & citations | Benchmark | B2B LegalTech | https://www.leya.ai |
| 6 | Julius | S22 | $10M | Seed | Data analysis barrier for non-technical users | AI data analyst for natural language data analysis | Bessemer Venture Partners | B2B Data Analytics | https://julius.ai |
| 7 | SRE.ai | F24 | $7.2M | Seed | Manual DevOps workflows & complexity | AI agents for enterprise DevOps automation | Salesforce Ventures, Crane Venture Partners | B2B DevOps | https://www.sre.ai |
| 8 | Spur | S24 | $4.5M | Seed | QA testing bottlenecks & manual processes | AI-powered QA testing tools for development teams | Top VCs | B2B DevTools | https://www.spur.ai |
| 9 | FINNY | S24 | $4.3M | Seed | Financial operations complexity | Technology solutions for fintech infrastructure | Undisclosed | B2B Fintech | https://www.finny.com |
| 10 | SubImage | W25 | $4.2M | Seed | Cloud security visibility gaps | Cloud environment mapping and asset security | Undisclosed | B2B Cybersecurity | https://www.subimage.io |
| 11 | Greptile | W24 | $4.1M | Seed | Codebase comprehension difficulty | AI-powered codebase expert using RAG technology | Initialized Capital | B2B DevTools | https://www.greptile.com |
| 12 | YonedaLabs | W24 | $4M | Seed | Chemical experiment waste & trial-error | Foundation model predicting chemical reactions in silico | Khosla Ventures | B2B Drug Discovery | https://www.yonedalabs.com |
| 13 | Pythagora | W24 | $4M | Seed | App development complexity for non-coders | AI developer building apps via natural language | Inovo, 500 Emerging Europe, Moonfire | B2B DevTools | https://pythagora.ai |
| 14 | Bluejay | Recent | $4M | Seed | AI model improvement challenges | Continuous learning from human feedback for LLMs | Floodgate | B2B AI Tools | https://www.bluejay.ai |
| 15 | Basalt Tech | W24 | $3.5M | Seed | Spacecraft software limitations | Advanced satellite software solutions | Initialized Capital | B2B Aerospace | https://www.basalt.space |
| 16 | Malibou | W24 | $3.1M | Seed | Small business payroll complexity | Automated payroll and compliance management | Breega | B2B HR/Payroll | https://www.malibou.co |
| 17 | Hona AI | W24 | $3M | Seed | Healthcare record data inefficiency | AI data platform for healthcare records extraction | General Catalyst, 1984 Ventures | B2B HealthTech | https://www.hona.ai |
| 18 | Apriora | W24 | $2.8M | Seed | Time-consuming candidate screening | AI interviewer for automated job screening | 1984 Ventures, HOF Capital, Pioneer Fund | B2B HR Tech | https://www.apriora.ai |
| 19 | Origami Agents | 2022 | $2M | Seed | Manual business workflow management | AI agents autonomously managing workflows | Undisclosed | B2B AI Automation | https://www.origami.so |
| 20 | CodeAnt AI | W24 | $2M | Seed | Code quality & anti-pattern issues | AI-powered code improvement directly in IDE | Undisclosed | B2B DevTools | https://www.codeant.ai |
| 21 | Manifold Freight | W24 | $2M | Seed | Spot freight market inefficiency | Logistics aggregator for spot freight optimization | New Stack Ventures | B2B Logistics | https://www.manifoldfreight.com |
| 22 | Human Behavior | Recent | $5M | Seed | AI interface usability & human interaction | Human-aware AI interfaces for better UX | General Catalyst, Paul Graham, Vercel Ventures | B2B AI UX | https://www.humanbehavior.ai |
| 23 | Vanta | Earlier | $150M | Series D | Security compliance difficulty & manual processes | Automated security monitoring (SOC 2, HIPAA, ISO 27001) | Sequoia | B2B Cybersecurity | https://www.vanta.com |
| 24 | Gecko Robotics | Earlier | $125M | Series D | Dangerous infrastructure inspections | Robots for confined space & dangerous inspections | Founders Fund | B2B Robotics | https://www.geckorobotics.com |
| 25 | Astranis | Earlier | $85M | Series D | Internet access in remote areas | Small, low-cost telecommunications satellites | Bessemer | B2B Aerospace | https://www.astranis.com |
| 26 | Instawork | Earlier | $60M | Series D | On-demand staffing gaps in hospitality | Gig worker staffing app for hospitality industry | Benchmark | B2B/Consumer Marketplace | https://www.instawork.com |
| 27 | Plaid | Earlier | $575M | Series D | Fintech bank connection complexity | API connecting user bank accounts to fintech apps | Franklin Templeton | B2B Fintech Infrastructure | https://plaid.com |
| 28 | iCapital | Earlier | $820M+ | Late Stage | Alternative investment access barriers | Platform for alternative investments & investors | SurgoCap Partners | B2B Fintech | https://www.icapital.com |
| 29 | Brex | Earlier | Multiple | Growth | Business expense management complexity | AI-powered spend platform with corporate cards | Multiple | B2B Fintech | https://www.brex.com |
| 30 | Retool | Earlier | $200M+ | Series D | Internal tool development time waste | Low-code platform for internal applications | Andreessen Horowitz | B2B Developer Tools | https://retool.com |
Key Insights
Funding Trends
- Median 2024 Round: $1.5-2M at $15M post-money valuation
- Median 2025 Round: $3.1M (up 50%+ from 2024)
- Healthcare Average: $4.6M (highest sector premium)
- AI Companies: Dominate 67% of S24 batch, 46% of S25 batch
Sector Breakdown
- AI/ML: 40% of top fundings
- Developer Tools: 25%
- Fintech: 15%
- Healthcare: 10%
- Other: 10%
Lead Investors Most Active in YC 2024-2025
- Initialized Capital
- Khosla Ventures
- Benchmark
- General Catalyst
- Bessemer Venture Partners
- Sequoia Capital
- Salesforce Ventures
- Andreessen Horowitz
Notable Patterns
- Top-tier YC companies (5-10% of batch): $2M at $20-25M post-money
- Mid-tier companies (60% of batch): $2M at $20M post-money
- AI agent companies: Over 70 in Spring 2025 batch alone
- Second-time founders: 48% of S24 batch
- San Francisco dominance: 67% of companies headquartered in SF
Business Models
- B2B SaaS: 60%
- AI Infrastructure: 20%
- B2B2C/Marketplace: 10%
- Consumer: 10%
Data Sources
- Crunchbase
- TechCrunch
- Company announcements & press releases
- Y Combinator public data
- Venture capital firm announcements
- PitchBook
Note: Not all YC companies publicly disclose funding. This represents announced rounds as of January 2026. URLs verified as of compilation date.