On-demand instances are a great default choice as they provide significant savings over GitHub-hosted runners without any risk of interruption.
AWS charges vastly different amounts for EC2 on-demand instances in each region.
If your jobs can tolerate it, consider switching to a more cost-effective region as it can yield up to 31% in savings for the same instance type:
| ap-northeast-1 | +26% | |
| eu-central-1 | +14% | |
| eu-west-1 | +13% | |
| eu-west-2 | +19% | |
| us-east-1 | best | |
| us-west-2 | best |
| ap-northeast-1 | +26% | |
| eu-central-1 | +14% | |
| eu-west-1 | +7% | |
| eu-west-2 | +19% | |
| us-east-1 | best | |
| us-west-2 | best |
| ap-northeast-1 | +26% | |
| eu-central-1 | +14% | |
| eu-west-1 | +7% | |
| eu-west-2 | +19% | |
| us-east-1 | best | |
| us-west-2 | best |
| ap-northeast-1 | +26% | |
| eu-central-1 | +14% | |
| eu-west-1 | +7% | |
| eu-west-2 | +19% | |
| us-east-1 | best | |
| us-west-2 | best |
| ap-northeast-1 | +29% | |
| eu-central-1 | +20% | |
| eu-west-1 | +11% | |
| eu-west-2 | +16% | |
| us-east-1 | best | |
| us-west-2 | best |
| ap-northeast-1 | +29% | |
| eu-central-1 | +20% | |
| eu-west-1 | +11% | |
| eu-west-2 | +16% | |
| us-east-1 | best | |
| us-west-2 | best |
| ap-northeast-1 | +29% | |
| eu-central-1 | +20% | |
| eu-west-1 | +11% | |
| eu-west-2 | +16% | |
| us-east-1 | best | |
| us-west-2 | best |
| ap-northeast-1 | +29% | |
| eu-central-1 | +20% | |
| eu-west-1 | +11% | |
| eu-west-2 | not available in region | |
| us-east-1 | best | |
| us-west-2 | best | |
| ap-northeast-1 | +21% | |
| eu-central-1 | +21% | |
| eu-west-1 | +12% | |
| eu-west-2 | +17% | |
| us-east-1 | best | |
| us-west-2 | best |
| ap-northeast-1 | +21% | |
| eu-central-1 | +21% | |
| eu-west-1 | +12% | |
| eu-west-2 | +17% | |
| us-east-1 | best | |
| us-west-2 | best |
| ap-northeast-1 | +21% | |
| eu-central-1 | +21% | |
| eu-west-1 | +12% | |
| eu-west-2 | +17% | |
| us-east-1 | best | |
| us-west-2 | best |
| ap-northeast-1 | +31% | |
| eu-central-1 | +15% | |
| eu-west-1 | +10% | |
| eu-west-2 | +13% | |
| us-east-1 | best | |
| us-west-2 | best |
| ap-northeast-1 | +25% | |
| eu-central-1 | +13% | |
| eu-west-1 | +12% | |
| eu-west-2 | +18% | |
| us-east-1 | best | |
| us-west-2 | best |
| ap-northeast-1 | +26% | |
| eu-central-1 | +14% | |
| eu-west-1 | +7% | |
| eu-west-2 | +19% | |
| us-east-1 | best | |
| us-west-2 | best |
| ap-northeast-1 | +26% | |
| eu-central-1 | +14% | |
| eu-west-1 | +7% | |
| eu-west-2 | not available in region | |
| us-east-1 | best | |
| us-west-2 | best | |
| ap-northeast-1 | +30% | |
| eu-central-1 | +21% | |
| eu-west-1 | +12% | |
| eu-west-2 | +16% | |
| us-east-1 | best | |
| us-west-2 | best |
| ap-northeast-1 | +29% | |
| eu-central-1 | +20% | |
| eu-west-1 | +11% | |
| eu-west-2 | +16% | |
| us-east-1 | best | |
| us-west-2 | best |
| ap-northeast-1 | +29% | |
| eu-central-1 | +20% | |
| eu-west-1 | +11% | |
| eu-west-2 | not available in region | |
| us-east-1 | best | |
| us-west-2 | best | |
| ap-northeast-1 | +21% | |
| eu-central-1 | +21% | |
| eu-west-1 | +12% | |
| eu-west-2 | +18% | |
| us-east-1 | best | |
| us-west-2 | best |
| ap-northeast-1 | +21% | |
| eu-central-1 | +21% | |
| eu-west-1 | +12% | |
| eu-west-2 | not available in region | |
| us-east-1 | best | |
| us-west-2 | best | |
| ap-northeast-1 | +21% | |
| eu-central-1 | +21% | |
| eu-west-1 | +12% | |
| eu-west-2 | not available in region | |
| us-east-1 | best | |
| us-west-2 | best | |
| ap-northeast-1 | +30% | |
| eu-central-1 | +15% | |
| eu-west-1 | +9% | |
| eu-west-2 | +13% | |
| us-east-1 | best | |
| us-west-2 | best |
| ap-northeast-1 | +26% | |
| eu-central-1 | +14% | |
| eu-west-1 | +7% | |
| eu-west-2 | +19% | |
| us-east-1 | best | |
| us-west-2 | best |
| ap-northeast-1 | +26% | |
| eu-central-1 | +14% | |
| eu-west-1 | +7% | |
| eu-west-2 | +18% | |
| us-east-1 | best | |
| us-west-2 | best |
| ap-northeast-1 | +25% | |
| eu-central-1 | +14% | |
| eu-west-1 | +7% | |
| eu-west-2 | +18% | |
| us-east-1 | best | |
| us-west-2 | best |
| ap-northeast-1 | +29% | |
| eu-central-1 | +19% | |
| eu-west-1 | +12% | |
| eu-west-2 | +15% | |
| us-east-1 | best | |
| us-west-2 | best |
| ap-northeast-1 | +29% | |
| eu-central-1 | +20% | |
| eu-west-1 | +12% | |
| eu-west-2 | +16% | |
| us-east-1 | best | |
| us-west-2 | best |
| ap-northeast-1 | +29% | |
| eu-central-1 | +20% | |
| eu-west-1 | +11% | |
| eu-west-2 | +16% | |
| us-east-1 | best | |
| us-west-2 | best |
| ap-northeast-1 | +21% | |
| eu-central-1 | +21% | |
| eu-west-1 | +12% | |
| eu-west-2 | +17% | |
| us-east-1 | best | |
| us-west-2 | best |
| ap-northeast-1 | +21% | |
| eu-central-1 | +21% | |
| eu-west-1 | +12% | |
| eu-west-2 | +17% | |
| us-east-1 | best | |
| us-west-2 | best |
| ap-northeast-1 | +21% | |
| eu-central-1 | +21% | |
| eu-west-1 | +12% | |
| eu-west-2 | not available in region | |
| us-east-1 | best | |
| us-west-2 | best | |
| ap-northeast-1 | +29% | |
| eu-central-1 | +14% | |
| eu-west-1 | +10% | |
| eu-west-2 | +12% | |
| us-east-1 | best | |
| us-west-2 | best |