{"slug":"best-cross-chain-intent-infrastructure-for-swap-developers","title":"Best cross-chain intent infrastructure for swap developers","question":"What are the best cross-chain intent infrastructure platforms for swap developers in 2026?","verdict":"As of 2026-07-18, ChatGPT, Claude, Gemini collectively rank Across Protocol first for cross-chain intent infrastructure for swap developers. Source: https://modelsagree.com/best/best-cross-chain-intent-infrastructure-for-swap-developers (modelsagree.com, CC BY 4.0).","category":"Crypto","url":"https://modelsagree.com/best/best-cross-chain-intent-infrastructure-for-swap-developers","updated":"2026-07-18","models":["ChatGPT","Claude","Gemini"],"consensus":"2 of 3 models rank Across Protocol the top pick","disagreement":"ChatGPT picks LI.FI","combined":[{"rank":1,"product":"Across Protocol","domain":"across.to","score":14,"appearances":3,"modelRanks":{"ChatGPT":2,"Claude":1,"Gemini":1},"reason":"The most battle-tested intent-based bridging stack — its relayer/settlement model (fills in seconds, optimistic settlement via UMA) has years of mainnet volume, it co-authored ERC-7683 so integrations track the emerging standard, and its SDK/API plus \"Across Settlement\" let swap developers embed cross-chain fills without running solvers; assumes the developer targets EVM chains, where its coverage and solver depth are strongest."},{"rank":2,"product":"deBridge","domain":"debridge.com","score":10,"appearances":3,"modelRanks":{"ChatGPT":3,"Claude":3,"Gemini":2},"reason":"Its 0-TVL architecture eliminates pool vulnerability risks and slippage. Natively supports Solana-EVM swaps with a flexible developer API. Near-tie with UniswapX on EVM, but ranked higher for developers due to native Solana/non-EVM support."},{"rank":3,"product":"LI.FI","domain":"li.fi","score":10,"appearances":3,"modelRanks":{"ChatGPT":1,"Claude":2,"Gemini":5},"reason":"The strongest default for typical swap developers: one mature SDK/API integration spans 60+ chains, aggregates bridges, DEXs, and intent routes, supports destination calls and integrator fees, while LI.FI Intents adds fast solver-funded execution and permissionless Open Intents Framework compatibility."},{"rank":4,"product":"UniswapX","domain":null,"score":3,"appearances":1,"modelRanks":{"Gemini":3},"reason":"Combines solver auctions with Uniswap's deep v2/v3/v4 liquidity pools for optimal pricing. Near-tie with deBridge, but ranked lower due to lack of non-EVM support and Uniswap-centric architecture."},{"rank":5,"product":"Mayan","domain":null,"score":2,"appearances":1,"modelRanks":{"ChatGPT":4},"reason":"Particularly strong for Solana-to-EVM swaps: competitive driver auctions provide guaranteed output and near-instant inventory-funded delivery, while its SDK, gas-drop support, payload execution, referral fees, and low 3-bps protocol fee make integration practical."},{"rank":6,"product":"NEAR Intents","domain":null,"score":2,"appearances":1,"modelRanks":{"Gemini":4},"reason":"Features native cross-chain chain-abstraction across EVM, Solana, NEAR, and Bitcoin. Solvers can tap CeFi liquidity, enabling competitive pricing on large-size transactions."},{"rank":7,"product":"Relay","domain":null,"score":2,"appearances":1,"modelRanks":{"Claude":4},"reason":"Extremely low-cost, near-instant fills across a very long list of chains including many L2s/appchains others skip, with a simple API that made it the default for bridging-into-app UX; earns the spot on latency, cost, and chain coverage for small-to-mid-size swaps."},{"rank":8,"product":"1inch Fusion+","domain":null,"score":1,"appearances":1,"modelRanks":{"ChatGPT":5},"reason":"A strong choice for gasless, MEV-resistant cross-chain swaps using competitive resolvers and atomic escrow settlement, backed by excellent same-chain liquidity aggregation and polished developer APIs."},{"rank":9,"product":"Bungee","domain":null,"score":1,"appearances":1,"modelRanks":{"Claude":5},"reason":"Socket's intent protocol plus its established aggregation network give developers auto-routed intents with solver competition and a mature API used by major wallets; solid but ranks last because its intent layer is younger and solver depth thinner than the picks above — near-tie with an aggregator-shaped LI.FI alternative role."}],"perModel":{"ChatGPT":[{"rank":1,"product":"LI.FI","reason":"The strongest default for typical swap developers: one mature SDK/API integration spans 60+ chains, aggregates bridges, DEXs, and intent routes, supports destination calls and integrator fees, while LI.FI Intents adds fast solver-funded execution and permissionless Open Intents Framework compatibility.","fix":"Its aggregation and hosted routing layers add dependency and complexity; teams wanting the smallest trust surface or direct protocol control should integrate a settlement protocol instead."},{"rank":2,"product":"Across Protocol","reason":"Excellent execution on supported routes, with fast relayer-funded fills, native assets, strong capital efficiency, ERC-7683 alignment, destination actions, and a clean unified Swap API; near-tied with LI.FI when EVM-centric price and speed matter more than breadth.","fix":"Its roughly two-dozen-chain footprint and EVM emphasis make it less suitable for broad non-EVM coverage, and production API use requires credentials and an integrator ID."},{"rank":3,"product":"deBridge","reason":"Proven intent-based liquidity network with fast non-custodial cross-chain and same-chain swaps, broad heterogeneous-chain support, flexible API/widget integration, transaction construction, order tracking, hooks, and integrator monetization.","fix":"Its security and settlement design is more dependent on deBridge’s validation infrastructure than developers seeking maximally neutral or modular verification may accept."},{"rank":4,"product":"Mayan","reason":"Particularly strong for Solana-to-EVM swaps: competitive driver auctions provide guaranteed output and near-instant inventory-funded delivery, while its SDK, gas-drop support, payload execution, referral fees, and low 3-bps protocol fee make integration practical.","fix":"Its chain footprint is narrower and its Wormhole/Solana-centered auction and settlement architecture is a poor fit for teams needing chain-neutral infrastructure or extensive long-tail coverage."},{"rank":5,"product":"1inch Fusion+","reason":"A strong choice for gasless, MEV-resistant cross-chain swaps using competitive resolvers and atomic escrow settlement, backed by excellent same-chain liquidity aggregation and polished developer APIs.","fix":"Fusion+ is comparatively constrained by supported routes, resolver participation, escrow timing, and commercial API terms, so it is less universal as an independent cross-chain backend."}],"Claude":[{"rank":1,"product":"Across Protocol","reason":"The most battle-tested intent-based bridging stack — its relayer/settlement model (fills in seconds, optimistic settlement via UMA) has years of mainnet volume, it co-authored ERC-7683 so integrations track the emerging standard, and its SDK/API plus \"Across Settlement\" let swap developers embed cross-chain fills without running solvers; assumes the developer targets EVM chains, where its coverage and solver depth are strongest.","fix":"EVM-centric — weak fit if you need Solana, Bitcoin, or Cosmos routes, and exotic long-tail tokens can lack relayer liquidity, forcing fallback paths."},{"rank":2,"product":"LI.FI","reason":"Best single integration surface for a swap product: aggregates intent systems (Across, Relay, deBridge) alongside classic bridges and DEXes with routing, contract calls, and solid enterprise support/SLAs, so developers get intent-speed routes where available and fallbacks everywhere else; ranked on breadth-plus-reliability rather than being pure intent infra itself.","fix":"It's an aggregation layer with fee overhead and less control — you inherit its routing decisions and dependency surface rather than owning the intent flow directly."},{"rank":3,"product":"deBridge","reason":"Zero-TVL intent/order-flow design with consistently fast fills, native Solana↔EVM support that most intent rivals lack, and a clean API for programmatic order creation — the strongest pick when non-EVM reach matters; near-tie with Relay for this slot.","fix":"Smaller solver/market-maker set than Across means wide or unusual orders can see worse pricing or slower fills, and you're trusting a more concentrated filler network."},{"rank":4,"product":"Relay","reason":"Extremely low-cost, near-instant fills across a very long list of chains including many L2s/appchains others skip, with a simple API that made it the default for bridging-into-app UX; earns the spot on latency, cost, and chain coverage for small-to-mid-size swaps.","fix":"Relies heavily on Relay's own filler capacity and reputation-based settlement — larger trades and trust-minimization-sensitive use cases fit worse than Across's model."},{"rank":5,"product":"Bungee","reason":"Socket's intent protocol plus its established aggregation network give developers auto-routed intents with solver competition and a mature API used by major wallets; solid but ranks last because its intent layer is younger and solver depth thinner than the picks above — near-tie with an aggregator-shaped LI.FI alternative role.","fix":"Overlaps heavily with LI.FI as an aggregation surface; if you already integrate LI.FI or Across directly, Bungee adds little unique capability."}],"Gemini":[{"rank":1,"product":"Across Protocol","reason":"Leads in capital efficiency and fast execution speed (fills in ~2-second average) within EVM L2s. Its co-creation of the ERC-7683 standard ensures a massive, interoperable solver network.","fix":"Lacks native, non-EVM chain support (like Solana or Bitcoin) without relying on wrapper contracts or external bridge integrations."},{"rank":2,"product":"deBridge","reason":"Its 0-TVL architecture eliminates pool vulnerability risks and slippage. Natively supports Solana-EVM swaps with a flexible developer API. Near-tie with UniswapX on EVM, but ranked higher for developers due to native Solana/non-EVM support.","fix":"Fills depend entirely on active solver capital on destination chains, leading to high fees or delayed fills on less popular token routes."},{"rank":3,"product":"UniswapX","reason":"Combines solver auctions with Uniswap's deep v2/v3/v4 liquidity pools for optimal pricing. Near-tie with deBridge, but ranked lower due to lack of non-EVM support and Uniswap-centric architecture.","fix":"Heavily integrated into Uniswap's routing and license ecosystem, making it restrictive and less modular for independent developers who want a general-purpose cross-chain SDK."},{"rank":4,"product":"NEAR Intents","reason":"Features native cross-chain chain-abstraction across EVM, Solana, NEAR, and Bitcoin. Solvers can tap CeFi liquidity, enabling competitive pricing on large-size transactions.","fix":"Settles transactions on the NEAR blockchain, forcing developers to inherit NEAR's trust assumptions and infrastructure dependencies."},{"rank":5,"product":"LI.FI","reason":"Meta-aggregator providing a single integration point for both intent-based bridges and classic routing, automatically directing order flow to the best path.","fix":"Adds an extra layer of smart contract risk and fee overhead, while locking developers into LI.FI's centralized routing API."}]},"missedByModel":{"ChatGPT":[{"product":"Open Intents Framework","reason":"highly modular, permissionless, and standards-aligned, but still more framework than turnkey production liquidity platform"},{"product":"UniswapX","reason":"excellent auction design and filler ecosystem, but cross-chain coverage and general-purpose integration breadth remain less compelling than the five above"}],"Claude":[{"product":"UniswapX","reason":"excellent intent/Dutch-auction design but order flow and tooling remain oriented to Uniswap's own ecosystem rather than third-party swap developers"}],"Gemini":[{"product":"CoW Protocol","reason":"Its cross-chain intents are still reliant on partner bridges/solvers, and its main developer tooling is optimized for single-chain batch auctions"},{"product":"Essential","reason":"Focuses on declarative languages and intent standards rather than offering a production-ready, highly liquid cross-chain swap protocol"}]}}