Comparison Overview
The On Cloudflow 5 is the latest evolution of the Cloudflow 4 line. Both versions are excellent choices.
How the On Cloudflow 4 and On Cloudflow 5 differ
The On Cloudflow 4 and the On Cloudflow 5 are both speed training shoes from On, which makes this a classic same-line comparison: same design language, similar fit philosophy, but meaningful changes in feel and intended use.
Where they actually differ: the On Cloudflow 4 comes in roughly 1.7 oz lighter (8.1 oz vs 9.8 oz), which becomes noticeable on faster turnover and longer efforts; the On Cloudflow 5 rides on the taller stack (28mm/22mm vs 32mm/26mm), giving it more under-foot cushioning at the cost of a slightly less stable platform; and the On Cloudflow 4 is $20 cheaper at MSRP ($160 vs $180).
Head-to-Head Comparison
| Feature | On Cloudflow 4 | On Cloudflow 5 |
|---|---|---|
| Brand | On | On |
| Model | Cloudflow 4 | Cloudflow 5 |
| Category | speed training | daily trainer |
| Weight | 8.1 oz | 9.8 oz |
| Drop | 6mm | 6mm |
| Price | $160 | $180 |
Frequently Asked Questions
- Which is lighter, the On Cloudflow 4 or the On Cloudflow 5?
- The On Cloudflow 4 is the lighter shoe at 8.1 oz versus 9.8 oz.
- Which costs less?
- The On Cloudflow 4 is the more affordable option at $160 compared to $180.
- Can I rotate both shoes in the same training block?
- Yes — many runners pair complementary shoes like these to spread load across different muscles and tendons. Use our rotation planner to build a mileage split that fits your schedule.
Read the full reviews
- On Cloudflow 4 — full specs, AI insights, and verdict.
- On Cloudflow 5 — full specs, AI insights, and verdict.
- Browse the full running shoe database
- See more shoe comparisons
Not sure which is right for you?
Use our AI-powered shoe finder for personalized recommendations, or build a smart shoe rotation with the rotation planner.