Is the Brooks Ghost or the On Cloudsurfer lighter?

Neither, meaningfully. The Ghost 18 and the Cloudsurfer 3 both weigh about 10.2 oz in a men's US 9.

Can I switch from the Brooks Ghost to the On Cloudsurfer?

Yes, but ease into it. The drop moves 2 mm (10 mm on the Ghost 18, 8 mm on the Cloudsurfer 3), which changes where your foot loads at landing. Give it two weeks of easy running before a hard session.

Which is more cushioned, the Brooks Ghost or the On Cloudsurfer?

The Cloudsurfer 3, on stack height: 45 mm under the heel against 36 mm. Stack is not the whole story, though; the foams differ too.

Which comes in more widths?

The Ghost 18. The Ghost 18 runs in B, D, 2E, 4E for men's sizes; the Cloudsurfer 3 runs in D.

Which costs more, the Brooks Ghost or the On Cloudsurfer?

The Cloudsurfer 3, by $10 at list ($150 against $160). That gap narrows once either one gets a successor.

Brooks Ghost vs On Cloudsurfer

Comparing the current Ghost 18 and Cloudsurfer 3. Specs are men's US 9.

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THE SHORT ANSWER

Drop is the real difference: 8 mm on the Cloudsurfer 3 against 10 mm on the Ghost 18. Coming off the Ghost 18, the Cloudsurfer 3 loads your calves and Achilles harder for the first couple of weeks. Both sit in the same role (daily trainer). The Ghost 18 lists $10 lower.

Brooks Ghost 18Men's at Amazon Women's
On Cloudsurfer 3Stock unverifiedMen's at Amazon Women's

Availability last checked Oct 13, 2026. Prices and stock change without notice.

Ghost 18 · 2026

Cloudsurfer 3 · 2026

Every spec, side by side

Spec	Ghost 18	Cloudsurfer 3
FIT AND WEIGHT
Weight	10.2 oz	10.1 oz
Widths	B, D, 2E, 4E	D
Upper	Engineered mesh with a plush collar	Evolved warp-knit engineered mesh with a padded collar and tongue
CUSHIONING GEOMETRY
Heel stack	36 mm	45 mm
Forefoot stack	26 mm	37 mm
Drop	10 mm	8 mm
MATERIALS
Midsole	DNA Loft v3 nitrogen-infused foam	Surreal superfoam in re-engineered CloudTec Phase geometry
VALUE
List price at launch	$150	$160

Which line changes its ride more often?

The Ghost has done it once in 6 versions, most recently with the Ghost 17 in 2025, and the Cloudsurfer has done it 2 times in 3 versions, most recently with the Cloudsurfer 3 in 2026. If you want a shoe you can rebuy without reading a review first, the Ghost has the steadier record.

Buy the Ghost 18

Stocked at Amazon

Men's: Check price at Amazon Women's: Check price at Amazon

Availability last checked Jul 28, 2026.

Buy the Cloudsurfer 3

Stock unverified

Men's: See what's available Women's: See what's available

Availability last checked Oct 13, 2026.

Chasing a specific older version rather than choosing between the current two? The Brooks Ghost lineage and the On Cloudsurfer lineage track every version and what changed in each update.

Questions runners ask

Is the Brooks Ghost or the On Cloudsurfer lighter?: Neither, meaningfully. The Ghost 18 and the Cloudsurfer 3 both weigh about 10.2 oz in a men's US 9.
Can I switch from the Brooks Ghost to the On Cloudsurfer?: Yes, but ease into it. The drop moves 2 mm (10 mm on the Ghost 18, 8 mm on the Cloudsurfer 3), which changes where your foot loads at landing. Give it two weeks of easy running before a hard session.
Which is more cushioned, the Brooks Ghost or the On Cloudsurfer?: The Cloudsurfer 3, on stack height: 45 mm under the heel against 36 mm. Stack is not the whole story, though; the foams differ too.
Which comes in more widths?: The Ghost 18. The Ghost 18 runs in B, D, 2E, 4E for men's sizes; the Cloudsurfer 3 runs in D.
Which costs more, the Brooks Ghost or the On Cloudsurfer?: The Cloudsurfer 3, by $10 at list ($150 against $160). That gap narrows once either one gets a successor.

Updated October 13, 2026.