Stevia Vs Sucralose: What's The Difference?

Stevia vs. Sucralose (Splenda): Which Zero-Calorie Sweetener Is Better?

Splenda and stevia are both sweeteners, which are many times sweeter than ordinary table sugar. While Stevia is commonly thought to be a safer alternative than splenda due to its natural origins, research indicates, that this may not be entirely true. So what's the difference between stevia and splenda?