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Pay-per-use access to the major AI models, with no subscription

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Website, pricing, platforms and company facts side by side.
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| Website | aifuse.app | open-gpt.app |
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| Company | Startup from Singapore · 1 - 9 employees · 2026 | — |
| Listed in | — |
In their own words, as submitted to SaaSHub.


AiFuse puts the major AI models behind a single login and a single balance, so you are not paying a separate monthly fee for each one. You add credit and pay only for what you use. There are no plans, no seats and no monthly renewal. Credit does not expire, and the minimum top-up is $10. Every...
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As answered by people managing AiFuse and https://open-gpt.app/.
AiFuse's answer
Every message shows you which model answered and exactly what that message cost, down to fractions of a cent. Most tools charge a flat monthly fee and never show you the underlying cost of anything. AiFuse shows the rate on every model before you send, and the cost of every reply after. You add credit, you spend it, and nothing renews.
AiFuse's answer
Because most alternatives ask you to pick one of two bad options: pay a monthly fee per provider, or bring your own API keys and assemble a client yourself. AiFuse is neither. One login, one balance, no keys to manage, and no subscription. You pay for what you use and the credit does not expire.
If you use AI heavily every day, a flat monthly plan will almost certainly cost you less, and we would rather say that than pretend otherwise. AiFuse is for people who use several models occasionally rather than one model constantly.
AiFuse's answer
People who want access to models from several providers but do not use any single one enough to justify a monthly subscription for it. Writers, researchers, consultants, students, and anyone who switches between models depending on the task. Also people who simply want to see what their AI usage actually costs.
AiFuse's answer
We were paying for several AI subscriptions at once and using none of them enough to justify the cost. Switching between them meant separate logins, separate windows, and copying text back and forth. The alternative was wiring up API keys ourselves, which works but is not something most people want to maintain.
AiFuse is what we wanted instead: one place, one balance, models from every major provider, and a visible price on every message. It is built and run by PlayIT Pte Ltd, a company based in Singapore.
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When comparing AiFuse and https://open-gpt.app/, you can also consider the following products.

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