{"slug":"ultra-sound-relay","name":"Ultra Sound Relay","domain":null,"verdict":"As of 2026-08-09, Claude, Gemini collectively rank Ultra Sound Relay first for mev-boost relay for ethereum validators. Source: https://modelsagree.com/product/ultra-sound-relay (modelsagree.com, CC BY 4.0).","best_rank":1,"categories":1,"entries":[{"slug":"best-mev-boost-relay-for-ethereum-validators","title":"Best MEV-Boost relay for Ethereum validators","rank":1,"of":6,"score":10,"appearances":2,"modelRanks":{"Claude":1,"Gemini":1},"reason":"The de facto neutral standard for a typical validator — open-source (built on Flashbots' mev-boost-relay), non-censoring, community-run, and consistently one of the top relays by delivered payload value and market share, with strong public transparency on bids and a clean missed-slot record. Best all-round balance of censorship-resistance, competitive MEV, and reliability.","reasons":[{"model":"Claude","reason":"The de facto neutral standard for a typical validator — open-source (built on Flashbots' mev-boost-relay), non-censoring, community-run, and consistently one of the top relays by delivered payload value and market share, with strong public transparency on bids and a clean missed-slot record. Best all-round balance of censorship-resistance, competitive MEV, and reliability."},{"model":"Gemini","reason":"Market-leading payload volume share (~34%), exceptional low-latency infrastructure, strict non-censoring posture processing all valid transactions, and robust transparent metrics; near-tied with Titan Relay on block value delivery; assumes staker values network neutrality alongside high MEV returns."}],"fixes":[{"model":"Claude","fix":"It's a lean volunteer/community operation, so validators wanting a formal SLA or a commercial support contract won't find one here."},{"model":"Gemini","fix":"Lacks transaction filtering, making it unviable for compliance-mandated institutional validators requiring strict OFAC filtering."}],"updated":"2026-08-09","api":"https://modelsagree.com/api/v1/best/best-mev-boost-relay-for-ethereum-validators.json"}],"page":"https://modelsagree.com/product/ultra-sound-relay","check":"https://modelsagree.com/check?q=Ultra%20Sound%20Relay","updated":"2026-08-10T18:18:45.051Z","attribution":"modelsagree.com, CC BY 4.0"}