Bebop leads on 1 of 1 shared benchmarks, Cow on 0. Bebop wins on Fastest EVM swap quote API (786 ms vs 3.46 s).
Gasless RFQ DEX aggregating onchain and offchain liquidity. Bebop Router and the JAM just-in-time auction model combine market-maker quotes with onchain pools across multiple EVM chains.
CoW Protocol settles trades via batch auctions with coincidence-of-wants matching, MEV protection, and solver competition. CoW Swap is the reference frontend; the protocol settles flow from many integrators.
Bebop
Leads786 ms
Cow
Trails3.46 s
Per chain · per region
| Chain | Provider | US East | EU West | Singapore | Aggregate |
|---|---|---|---|---|---|
| Ethereum | Bebop | 807 ms | 771 ms | 774 ms | 784 ms |
| Cow | 3.50 s | 3.50 s | 3.41 s | 3.47 s | |
| Base | Bebop | 984 ms | 763 ms | 741 ms | 829 ms |
| Cow | 3.50 s | 3.50 s | 3.41 s | 3.47 s | |
| Arbitrum | Bebop | 856 ms | 808 ms | 821 ms | 828 ms |
| Cow | 3.48 s | 3.48 s | 3.35 s | 3.44 s |
A pair is published when all four conditions hold. Both providers run in the same OpenChainBench benchmark for at least seven consecutive days. Each provider has at least 1000 samples in the measurement window. The head to head query has observable third party search demand. Both providers have a public /products/[slug] page on OCB. The full pair ledger is versioned in the public repo so the methodology is externally verifiable.