SageMaker Alternatives: Cheaper Cloud GPUs for Data Science (September 2025)

Why look beyond SageMaker?
SageMaker is a managed ML platform, but you pay for that convenience in three ways:
Higher base instance rates. An A10G (ml.g5.xlarge) is $1.21/hr and an A100 (ml.p4d.24xlarge) costs $24.15/hr for the whole 8-GPU node — you cannot rent a single A100. (SageMaker pricing)
Always-on meters. Notebooks, endpoints and EBS storage keep billing until you shut them down.
Regional GPU scarcity. Popular U.S. regions often have long wait times.
If your goal is fast, low-cost prototyping, the five alternatives below beat SageMaker on per-GPU price and let you start with a single GPU.
Quick cost comparison
*U.S. East on-demand rates, September 2025.
**Effective per-GPU cost when you divide $24.15 by eight.
Five practical SageMaker alternatives
1. Thunder Compute
- GPU focus: A100 40 GB and 80 GB nodes
- Pay-as-you-go: $0.27–$0.78 per GPU hour
- Developer workflow: Spin up EC2-style SSH instances or use the free VS Code extension to run notebooks against remote GPUs from your laptop. Starter templates (Llama 4 fine-tune, Stable Diffusion XL, LoRA, etc.) replace SageMaker JumpStart.
2. Plain EC2 + open-source tooling
EC2 g5.xlarge (A10G) costs $1.01/hr and p4d.24xlarge $24.15/hr, but you avoid the SageMaker surcharge and can script everything with Terraform or Ansible.
3. Paperspace Gradient
Notebook-centric workflow with one-click A100 jobs. A100 40 GB is $3.09/hr and storage is bundled, so it is simpler than SageMaker endpoints.
4. Lambda GPU Cloud
Targets multi-GPU jobs but also rents single A100s at $1.29/hr. Their CLI feels similar to AWS CLI and supports spot pools.
5. RunPod
Community pool offers A100 80 GB from $1.19/hr with per-second billing and automatic Jupyter images. Useful for bursty weekend experiments.
Thunder Compute vs SageMaker: apples-to-apples A100 math
Result: Thunder Compute is 95%+ cheaper for short, single-GPU jobs.
Developer experience considerations
Try Thunder Compute free
Ready to prototype? Create an account and access the cheapest A100s. Fire up an A100, open VS Code and start coding within minutes.
Looking for raw prices first? See the full Thunder Compute A100 pricing.