should you rent a cloud GPU or buy your own for AI? the break-even is simpler than you think

Everyone frames it as cloud vs local like it's a religion. It's just arithmetic: how many hours will you actually use it? Here's the number that…

Aliteq
Ravi Malhotra · Hardware Editor

The short answer

Whether to rent or buy a GPU for AI depends on usage hours. Buying a ~$1,000 used RTX 3090 pays for itself versus renting a comparable card (~$0.34/hour) after roughly 3,000 hours of use. Below…

Break-even ≈ 3,000 hours: a $1,000 used 3090 vs ~$0.34/hr rental.

Light/exploratory use → rent — pay cents per hour, no upfront cost.

Daily/sustained use → buy — you stop paying hourly, and it's private.

Non-cost factors: owning gives privacy, no rate limits, offline use, low latency.

Try before buying: rent to learn your real usage, then decide (see should you build a rig).

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should you rent a cloud GPU or buy your own for AI? the break-even is simpler than you think

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