I ran the math on renting a cloud GPU vs buying an RTX 5090 — the answer surprised me

renting looks cheap by the hour. buying looks expensive by the receipt. only one of those numbers is honest

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Nadia Rahman · Deals Editor

The short version

RunPod: $0.99/hr on-demand (Secure Cloud), $0.69/hr spot (Community Cloud) for an RTX 5090.

The short version

Vast.ai: RTX 5090 rentals run roughly $0.30–$0.60/hr depending on reliability tier and whether the listing is interruptible.

The short version

Buying: RTX 5090 street price is $4,699.99 (Newegg median, August 2026) against a $1,999 launch MSRP.

The short version

Breakeven at RunPod's on-demand rate against that street price: about 4,747 hours — roughly 198 days of nonstop, 24/7 use.

The short version

CoreWeave, the enterprise tier, charges $6.16 per GPU-hour for H100s — but only in 8-GPU node bundles, a completely different market from consumer rental.

Rent first, buy only if you'll actually run it nonstop

For anyone still figuring out what they need a GPU for, renting is the correct starting point — it costs almost nothing to test the workload before committing thousands of dollars to hardware that…

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I ran the math on renting a cloud GPU vs buying an RTX 5090 — the answer surprised me

Read the full story on Aliteq