Accelerators pricing
AWS Trainium pricing
Updated 2026-10-19
2 instance sizes, offered in 3 of 14 tracked regions.
Sizes (us-east-1)
| Instance | Accelerators | Accel. memory | On-demand $/h | $/chip-hr | 3-yr RI no upfront $/h | Hours per $25k |
|---|---|---|---|---|---|---|
| trn1.2xlarge | Trainium ×1 | 32 GB | $1.34 | $1.34 | $0.5123 | 18,605 h |
| trn1.32xlarge | Trainium ×16 | 512 GB | $21.50 | $1.34 | $8.20 | 1,163 h |
Regions
Training node: trn1.32xlarge vs GPU instances (us-east-1)
trn1.32xlarge gives 1,163 hours per $25k vs p4d.24xlarge 1,139 h (credits last +2% longer on trn1.32xlarge), p5.48xlarge 454 h (credits last +156% longer on trn1.32xlarge)
| Instance | Accelerators | Accel. memory | On-demand $/h | $/chip-hr | 3-yr RI no upfront $/h | Hours per $25k |
|---|---|---|---|---|---|---|
| trn1.32xlarge | Trainium ×16 | 512 GB | $21.50 | $1.34 | $8.20 | 1,163 h |
| p4d.24xlarge | NVIDIA A100 ×8 | 320 GB | $21.96 | $2.74 | $9.37 | 1,139 h |
| p5.48xlarge | NVIDIA H100 ×8 | 640 GB | $55.04 | $6.88 | $23.78 | 454 h |
Hours per $25k = how long credits last at the on-demand price. Throughput per hour differs by model and needs the AWS Neuron SDK; benchmark before switching.
Related cost calculators
- EC2 Pricing Calculator · Compare Instance Types & Costs
- Amazon SageMaker AI Pricing Calculator · On-Demand Studio, Training & Inference
Prices and credit amounts are estimates and may change. Check AWS for current terms.