Arbitrum One vs OP Mainnet fees: OP Mainnet is 19× cheaper
Live network fees on both chains for the 12 assets they have in common, refreshed every 10 minutes.
| Arbitrum One | OP Mainnet | |
|---|---|---|
| Type | Ethereum rollup (L2) | Ethereum rollup (L2) |
| Gas paid in | ETH | ETH |
| Token standard | ERC-20 | ERC-20 |
| Native transfer | $0.0012 | < $0.0001 |
| Token transfer | $0.0035 | $0.00019 |
| DEX swap (approx.) | $0.0098 | $0.00051 |
| Token transfer, 24 h range | $0.0035 – $0.0037 | $0.00018 – $0.00019 |
Verdict
- Token transfers: OP Mainnet is 19× cheaper than Arbitrum One right now ($0.00019 vs $0.0035), and cheaper for 12 of the 12 assets both networks support.
- Stablecoins: sending USDT0 costs $0.0035 on Arbitrum One vs $0.00019 on OP Mainnet — OP Mainnet wins, provided the recipient accepts deposits on it.
- Gas token: you need ETH on Arbitrum One and ETH on OP Mainnet — the same asset, so one balance can be bridged between them.
- Speed: blocks every ~0.25 s on Arbitrum One vs ~2 s on OP Mainnet.
Cost to send each asset: Arbitrum One vs OP Mainnet
| Asset | Arbitrum One | OP Mainnet | Cheaper |
|---|---|---|---|
| ETH | $0.0012 | < $0.0001 | OP Mainnet |
| USDT0 | $0.0035 | $0.00019 | OP Mainnet |
| USDC | $0.0035 | $0.00019 | OP Mainnet |
| USDE | $0.0035 | $0.00019 | OP Mainnet |
| LINK | $0.0035 | $0.00019 | OP Mainnet |
| UNI | $0.0035 | $0.00019 | OP Mainnet |
| AAVE | $0.0035 | $0.00019 | OP Mainnet |
| ENA | $0.0035 | $0.00019 | OP Mainnet |
| CRV | $0.0035 | $0.00019 | OP Mainnet |
| LDO | $0.0035 | $0.00019 | OP Mainnet |
| SUSDE | $0.0035 | $0.00019 | OP Mainnet |
| 1INCH | $0.0035 | $0.00019 | OP Mainnet |
Transfer to an address that already holds the asset. New holders can cost more (Solana token-account rent, extra TRON energy). Exchange withdrawal fees are separate.
FAQ
Is Arbitrum One cheaper than OP Mainnet?
For a token transfer, OP Mainnet is currently 19× cheaper ($0.00019 vs $0.0035). Fees change every block; this comparison is refreshed every 10 minutes.
Can I send tokens from Arbitrum One to OP Mainnet directly?
No. A regular transfer stays on one network. Moving assets between Arbitrum One and OP Mainnet requires a bridge or an exchange that supports both networks, which adds its own fees.
Details: Arbitrum One gas fees · OP Mainnet gas fees · all chains · methodology
Data updated: 2026-10-01 11:50 UTC.