Arbitrum One vs OP Mainnet gas fees

As of Fri, 11 Sep 2026 11:10:41 UTC, a swap costs $0.0074 on Arbitrum One vs $0.0₃37 on OP Mainnet — OP Mainnet is 20× cheaper.

Metric
StatusNormalNormal
Gas price0.0200 gwei0.0010 gwei
Transfer$0.0010$0.0₄52
Swap$0.0074$0.0₃37
NFT mint$0.0049$0.0₃25
NFT sale$0.0088$0.0₃44
Bridge$0.0059$0.0₃29
Borrow$0.0147$0.0₃74
Gas tokenETHETH
TVL$1.4B$434M

Costs = gas units × live gas price × native token price. Lower value highlighted. Updated every minute.

Arbitrum One detailsOP Mainnet detailsCheapest chains