13 vs Open

Phone 1

Phone 2

Winner

OnePlus 13

Lifespan decides this one: the 13 is supported until Jan 2031 at $14.21 per month of safe use, while the Open runs out in Oct 2028 ($31.90/month). On a which-lasts-longer question, that's not a tie — it's the whole answer.

Value Score: 13 74 · Open 57 — methodology

The lifespan decider

When specs are close, support length decides it — this is what each phone costs per month of safe use.

OnePlus 13 $779

Safe to buy$14.21/mo

2025◆ Buy-by Jan 20292031

OnePlus Open $900

Buy with care$31.90/mo

2023◆ Buy-by Oct 20262028

Category by category

Display

13 100Open 90

The 13's screen is the better one — 6.82-inch ltpo amoled, qhd+, 1–120hz, up to 4500 nits peak.

Performance

13 98Open 85

The 13's Snapdragon 8 Elite is simply the faster chip.

Camera

13 79Open 79

Camera systems are comparable on paper — pick by sample photos.

Battery

13 100Open 76

6,000mAh vs 4,805mAh — the 13 lasts longer between charges.

Software longevity

13 65Open 34

The 13 is supported until Jan 2031 — 27 months longer than the Open.

Value

13 74Open 57

Overall value goes to the 13 at $14.21 per month of safe use.

Full spec table

Spec	13	Open
Price (street)	$779	$900
Display	6.82-inch LTPO AMOLED, QHD+, 1–120Hz, up to 4500 nits peak	7.82-inch 2K LTPO3 Fluid AMOLED inner foldable (2440×2268, 426 ppi) + 6.31-inch 2K AMOLED cover (2484×1116, 431 ppi), both 120Hz, up to 2800 nits peak
Chipset	Snapdragon 8 Elite	Snapdragon 8 Gen 2
RAM	12GB/16GB	16GB
Storage	256GB/512GB	512GB
Battery	6,000 mAh	4,805 mAh
Charging	100W wired SUPERVOOC, 50W AIRVOOC wireless	67W SUPERVOOC wired, no wireless
Rear cameras	50MP main, 50MP ultra-wide, 50MP periscope 3x	48MP main, 48MP ultra-wide, 64MP periscope telephoto 3x
Dimensions	162.9 × 76.5 × 8.5 mm	Unfolded 153.4 × 143.1 × 5.8 mm; Folded 153.4 × 73.3 × 11.7 mm
Weight	210 g	239 g
Water resistance	IP68/IP69	IPX4
Supported until	Jan 2031	Oct 2028

13 full verdict →Open full verdict →Longevity master board →

Scores and verdicts are computed from our verified database — see exactly how. Specs from manufacturer documentation; prices reflect major US retailers.