Vast.aiReviews of vast.ai

!! DO NOT USE !! On top of the price/h of your specific server you will be also charged ungodly amounts for ***internet bandwidth*** in my case it was $2.5/100gb. keep in mind that i only used the instance for 20 minutes. On top of that, if you don't stop the instance before destroying THEY WILL charge you further as they still consider it to be running. Didn't have that problem before, no idea what's going on here but at this point it's just a scam.

Instance hosting doesn't work anymore. My business relied on it. Support doesn't seem to care at all nor trying to help. Do not get lured into this shit. Use other providers instead. Had no issues with Cloudzy so far and their support is incredible.

I rented a high-end GPU server (RTX 3090 Ti) on Vast.ai with strong specs and a price around $0.143/hour (~0.54 SAR/hour). However, the service is practically unusable. The main issue is SSH connection failure: Authentication failed (publickey) I did everything correctly: - Generated a valid ED25519 key - Added it to the platform - Selected it in my SSH client - Used the correct host, port, and username Still, it fails. Support response was extremely weak: They only told me to check documentation, use -vvv debug, or try another instance. No real help. No actual fix. Other problems: - SSH keys do not apply correctly to instances - Some containers (like Jupyter images) are unclear or broken for SSH access - The system forces manual debugging instead of working out of the box - Copy/paste limitations make it worse on mobile - Sent multiple emails — no proper response Conclusion: Strong hardware, but very poor system design and support. Not recommended.

Great Support Team Service is get as well but be careful what server you choose sometime some are just not working. better connect with there support team can assist you well

The customer service is great and supportive. Long story short, I got locked out of my account due to a 3rd party flagging my number for suspicious activity when logging in using 2FA. They solved it within the week by manually disabling it for me. Kudos to them since I use this platform for my ML projects.

Customer service was near realtime even though it was night.

Helped me fast and well. There was no problems with contacting a host and getting the help i needed, thanks!

My experience with VAST.ai has been extremely disappointing and frustrating. The service advertises GPU instances, but in practice many of these appear to be containerized environments rather than true dedicated machines. This creates serious reliability concerns for users who require stable and predictable infrastructure. One of the most problematic issues is that when an instance is stopped, it often disappears from availability. When attempting to restart it, the system simply goes into scheduling mode for extended periods without successfully launching the instance. For users running workloads that depend on consistent GPU availability, this behavior makes the platform highly unreliable. In addition to the infrastructure issues, the quality of customer support was also very unsatisfactory. My interaction with a support agent named Saber did not lead to any meaningful resolution, and the responses I received lacked clarity and helpfulness. For a platform providing paid GPU infrastructure, a much higher standard of technical support should be expected. Overall, the experience gave the impression of an unstable platform with insufficient support for customers. For users considering VAST.ai for serious workloads, I strongly recommend carefully evaluating the platform and its reliability before committing to it. I hope the company takes these concerns seriously and improves both its infrastructure stability and the quality of its customer support.