Don't use it; I get the feeling that mistakes are being made intentionally to boost profits.
My experience with Runway has been extremely disappointing.
I spent around 3,000 credits trying to remove one tiny thread/string from a video. This was not a complex scene change, not a new generation, and not a major transformation. I simply wanted one small unwanted element removed.
Instead, the tool repeatedly failed to follow the instruction correctly. In several attempts it changed other parts of the image that I never asked it to touch. I then had to generate again, spend more credits, and try to fix problems created by the previous generation.
This was not one isolated failed attempt. I went through the problem repeatedly, step by step, across multiple generations, and the same issue kept coming back.
That is where I have a serious problem with Runway's credit system.
Every time the AI fails, the user pays again.
Every time the tool changes something it was not asked to change, the user pays again.
Every time you try to repair the previous failed result, more credits disappear.
This creates a system where Runway can financially benefit from repeated AI failures, while the customer carries almost all of the financial risk.
I cannot prove why these failures happen or whether they are intentional, and I am not claiming that I know what happens internally at Runway. But from the customer's perspective, the current system creates a very bad impression: the worse the AI performs, the more credits the user may end up spending.
Around 3,000 credits for trying to remove one tiny visual defect is, in my opinion, absurd.
A professional AI video platform should have some form of protection for customers when the system clearly fails to follow a simple instruction. Failed generations should be refunded, retried for free, or at least reviewed when a large number of credits are consumed trying to correct the same problem.
Runway's promotional material makes the platform look precise, powerful, and professional. My real-world experience was very different: repeated failures, wasted time, lost credits, unwanted changes to the image, and very little control over the final result.
The biggest issue is not simply that AI can make mistakes. Every AI system can make mistakes.
The real issue is that the customer keeps paying for those mistakes.
If Runway wants users to trust its platform, it should introduce transparent failed-generation refunds, free retries when instructions are clearly ignored, and much better protection for paying customers.
Until that happens, I cannot recommend Runway for serious professional video work.
Anyone considering buying a large credit package should be very careful. My experience showed me how quickly thousands of credits can disappear while trying to fix one tiny problem.






