Flank vs Tri Tip — What's the Difference?
Quick Answer
Side-by-side
| flank | tri tip | |
|---|---|---|
| Primal | flank | sirloin |
| Muscle / location | abdominal flank steak | Bottom sirloin, triangular muscle at the base of the sirloin near the flank |
| Character | Long, fibrous abdominal cut; benefits from slicing across the grain. | A triangular cut from the bottom sirloin (tensor fasciae latae muscle). Popularized by Santa Maria-style California BBQ. Lean with a pronounced grain that changes direction. Best grilled whole to medium-rare and sliced against the grain. |
Key differences
- Different primals: flank vs sirloin.
- Texture and slicing: compare fibrous, grain-heavy cuts vs more tender steak-style muscles based on each cut’s description.
- Retail naming diverges by country—always map through a canonical cut when translating menus or labels.
When to use each
Flank
Pick Flank when you want its specific marbling/texture profile: Long, fibrous abdominal cut; benefits from slicing across the grain.
Tri Tip
Pick Tri Tip when its primal/muscle traits fit the dish: A triangular cut from the bottom sirloin (tensor fasciae latae muscle). Popularized by Santa Maria-style California BBQ. Lean with a pronounced grain that changes direction. Best grilled whole to medium-rare and sliced against the grain.
Flank and Tri Tip are different canonical muscles/primals: Flank is flank (abdominal flank steak); Tri Tip is sirloin (Bottom sirloin, triangular muscle at the base of the sirloin near the flank).
Choose based on tenderness, marbling, grain direction, and how you plan to cook (sear vs braise vs slice thin).
Read the full guides: flank (what-is) · tri tip (what-is) · flank hub · tri tip hub