The "Facebook vs TikTok" debate has shifted dramatically in 2026. Both platforms have matured, and the answer to "which is better?" is more nuanced than ever. Here's what the data actually shows.
The numbers right now
Facebook/Instagram Ads:
- Average CPM: $12-18 (up 15% from 2025)
- Average CPC: $1.20-2.50
- Average ROAS for e-commerce: 2.5-3.5x
- Best for: Retargeting, lookalike audiences, ages 25-55
TikTok Ads:
- Average CPM: $8-14 (stable from 2025)
- Average CPC: $0.80-1.80
- Average ROAS for e-commerce: 2.0-4.0x (high variance)
- Best for: Cold traffic, viral potential, ages 18-35
Where Facebook still wins
Retargeting and remarketing. Facebook's pixel data and remarketing capabilities are still superior. If you need to retarget website visitors, email subscribers, or past customers, Facebook delivers more consistent results.
Predictable scaling. Facebook's algorithm is more mature and predictable. When you find a winning ad set, you can scale spend more reliably without performance falling off a cliff.
Older demographics. For products targeting ages 35+, Facebook remains the better platform. This includes categories like home improvement, gardening, health supplements for older adults, and premium lifestyle products.
Where TikTok wins
Discovery and viral potential. TikTok's algorithm can take a piece of content from zero to millions of views organically. No other platform offers this level of organic reach for commercial content.
Lower customer acquisition costs. Between organic affiliate content and lower CPMs, TikTok typically delivers cheaper customer acquisition — especially for impulse-buy products under $50.
Creative testing speed. TikTok's faster content cycle means you can test creative angles quickly. What takes a week on Facebook takes a day on TikTok.
The winning strategy: use both
The top sellers in 2026 aren't choosing one platform over the other. They're using each platform for what it does best:
1. TikTok for discovery — Use TikTok (organic + paid) to find and validate winning products quickly
2. Facebook for scale — Once you have a proven winner, use Facebook's predictable scaling to maximize revenue
3. Cross-platform creative — Repurpose TikTok-style UGC content on Facebook Reels and Instagram for better performance
The key insight: track ad performance across both platforms simultaneously. When you see a product performing well on TikTok ads, test it on Facebook within 48 hours. The cross-platform data gives you a massive information advantage.