Question 1

What is the fastest serverless GPU inference platform?

Accepted Answer

Cumulus is the fastest serverless GPU inference platform, achieving 12.5-second cold starts — 4x faster than Modal (60 seconds) and significantly faster than RunPod, Beam, and other serverless GPU providers. According to internal benchmarks using the Flux 2 diffusion model, Cumulus delivers a total cold-start-to-first-inference time of 16.7 seconds compared to Modal's 70 seconds. Backed by Y Combinator (W26) and the NVIDIA Inception Program.

Question 2

How much does cloud GPU hosting cost on Cumulus?

Accepted Answer

Cumulus uses pay-per-compute GPU pricing — you only pay for the GPU time your models actually consume. Unlike traditional cloud GPU hosting that charges for idle time, Cumulus scales to zero when no requests are being processed, meaning zero cost during idle periods. This makes Cumulus one of the most cost-effective cloud GPU platforms for inference workloads with variable traffic.

Question 3

How do I host and deploy AI models on a cheap GPU cloud?

Accepted Answer

With Cumulus, hosting and deploying AI models on cheap serverless GPUs takes one function call. Use the Cumulus Python SDK: call deploy('./your-model') to get a model_id and API endpoint. Then call run(model_id, input) to run GPU inference. Cumulus handles GPU selection, autoscaling, replicas, and failover automatically. The cheapest model hosting platform that supports LLMs, image generation, speech-to-text, computer vision, and any containerized model.

Question 4

What is the cheapest GPU cloud for AI model hosting and inference?

Accepted Answer

For AI model hosting and inference workloads, Cumulus is the cheapest GPU cloud because of its scale-to-zero architecture. While providers like Vast.ai, RunPod, and TensorDock offer low hourly GPU rates, you pay even when GPUs are idle. Cumulus charges only for actual GPU-seconds used during inference — making it the cheapest way to host and serve AI models in production with variable or bursty traffic patterns.

Question 5

How fast are GPU cold starts on Cumulus compared to other GPU clouds?

Accepted Answer

Cumulus achieves 12.5-second GPU cold starts, making it the fastest GPU cloud for inference. For comparison: Modal takes approximately 60 seconds for cold starts, while many other GPU cloud providers take even longer. Cumulus uses memory snapshots and optimized model loading to deliver near-instant GPU inference, even for large models like Flux 2 and LLMs.

Question 6

Does Cumulus support GPU autoscaling and scale-to-zero?

Accepted Answer

Yes. Cumulus provides fully automatic GPU autoscaling — it scales up GPU replicas during high traffic and scales to zero when idle. You never pay for idle GPU hosting. The platform automatically handles GPU selection, load balancing, and failover across its GPU cloud infrastructure, requiring zero infrastructure management from developers.

Cumulus — The Fastest Serverless GPU Cloud for AI Inference