Arbitrum One vs OP Mainnet gas fees

As of Tue, 28 Jul 2026 16:35:20 UTC, a swap costs $0.0058 on Arbitrum One vs $0.0₃29 on OP Mainnet — OP Mainnet is 20× cheaper.

Metric
StatusNormalNormal
Gas price0.0203 gwei0.0010 gwei
Transfer$0.0₃82$0.0₄40
Swap$0.0058$0.0₃29
NFT mint$0.0039$0.0₃19
NFT sale$0.0070$0.0₃34
Bridge$0.0047$0.0₃23
Borrow$0.0117$0.0₃57
Gas tokenETHETH
TVL$1.2B$294M

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

Arbitrum One detailsOP Mainnet detailsCheapest chains