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CoW Swap vs 1inch

How CoW Swap and 1inch differ on routing, chains and what they’re best at.

CoW Swap1inch
CategoryDEX aggregatorDEX aggregator
TypeBatch auctionRouter + Intent
How it worksBatches all orders into a ~30s auction; solvers compete to find the settlement that maximizes total surplus, with uniform clearing prices and Coincidence-of-Wants that eliminate sandwich MEV.Pathfinder splits your trade across dozens of DEXes for the best price; Fusion mode turns it into a gasless intent filled by resolvers via a Dutch auction, with built-in MEV protection.
ChainsEthereum, Gnosis, Arbitrum, Base12+ (EVM + Solana)
Highlight~22% of ETH aggregator volume$700B+ lifetime volume
Best forLarge trades + MEV protectionThe all-round multichain default

CoW Swap

  • Best execution on large trades
  • Eliminates sandwich MEV by design
  • Coincidence-of-Wants can beat AMM price
  • ~30s batch adds latency
  • Fewer chains than 1inch

1inch

  • Largest lifetime volume & integrations
  • Deep Pathfinder routing
  • Fusion = gasless + MEV-protected
  • Volume down sharply YoY (Q1 2026)
  • Fusion adds resolver dependency

Bottom line

Pick CoW Swap for large trades + mev protection; pick 1inch for the all-round multichain default.