{"slug":"bridge-fee","title":"Cheapest cross-chain bridge for USDC at $300 notional","subtitle":"Total cost as a percent of notional, fees plus slippage plus destination gas combined, sampled at $300 USDC across Solana, Base and Arbitrum corridors.","category":"Bridges","metric":"Effective fee","unit":"pct","status":"live","higherIsBetter":false,"value":0.0200667,"leader":{"name":"Mobula","slug":"mobula","value":0.0200667},"rankings":[{"name":"Mobula","slug":"mobula","ms":{"p50":0.0200667,"p90":0.0202,"p99":0.0204,"mean":0.0200703},"successRate":0,"sampleSize":22912},{"name":"Relay","slug":"relay","ms":{"p50":0.148222,"p90":0.178377,"p99":0.306874,"mean":0.155719},"successRate":100,"sampleSize":28495},{"name":"LI.FI","slug":"lifi","ms":{"p50":0.3009,"p90":0.357867,"p99":0.463533,"mean":0.298195},"successRate":100,"sampleSize":28487},{"name":"deBridge","slug":"debridge","ms":{"p50":0.975812,"p90":1.03849,"p99":1.04696,"mean":0.890735},"successRate":61.0684,"sampleSize":13998}],"sparkline":[0.0368431,0.0336715,0.0390638,0.0318199,0.0372946,0.0346791,0.0386069,0.0300387,0.0400578,0.0532026,0.064856,0.0521474,0.0312758,0.0190594,0.0208956,0.022244,0.0224566,0.0199563,0.0231638,0.0275826,0.0301732,0.0266328,0.0256617,0.0246304,0.0262096,0.0225112,0.023583,0.027901,0.0314141,0.0268926,0.0200795,0.016509,0.0200483,0.0243324,0.038017,0.0345112,0.0306044,0.0174724,0.0174827,0.0189383,0.0201351,0.0217211,0.0196663,0.0337334,0.047116,0.055534,0.042531,0.031511,0.0230678,0.0212285,0.0209227,0.0264077,0.0254553,0.0757503,0.070774,0.0891858,0.0604524,0.0884121,0.100297,0.12175,0.102827,0.11226,0.074861,0.0822699,0.0539029,0.0487428,0.0772178,0.0926107,0.113641,0.0862461,0.120563,0.0988988,0.0844723],"sampleSize":93892,"asOf":"2026-06-12T15:25:07.073Z","headline":"Mobula leads effective fee at 0.020% (24h avg) on Cheapest cross-chain bridge for USDC at $300 notional.","quote":"Mobula leads effective fee at 0.020% (24h avg) on Cheapest cross-chain bridge for USDC at $300 notional. Source: OpenChainBench (https://openchainbench.com/benchmarks/bridge-fee).","pageUrl":"https://openchainbench.com/benchmarks/bridge-fee","ogImage":"https://openchainbench.com/api/og/bridge-fee","source":"https://github.com/ChainBench/OpenChainBench/tree/main/harnesses/bridge-monitor","methodology":["Routes: USDC pairs spanning Solana, Base and Arbitrum.","Reference notional: $300 USDC. Smaller sizes ($5, $50) are captured by the harness but excluded from this report.","Cost: `bridge_cost_percent{amount_usd=\"300\"}`, in percent of notional. Includes fees + slippage + destination gas.","Cadence: full sweep every 5 minutes for 24 hours.","Region: eu-west. Single point of measurement; multi-region requires running additional monitor instances.","Failures (quote_failed, unsupported route) excluded from cost aggregates and counted toward success rate.","Provider types are surfaced as badges: direct protocols (deBridge) charge their own bridging fees; aggregators (LI.FI) route through whichever underlying bridge is cheapest, so their effective fee includes that bridge's cost plus any aggregator markup; intent / relay layers (Mobula, Relay) bake cost into the spread of a settlement intent rather than charging an explicit fee."],"license":"CC-BY-4.0"}