ChainPick

Across Protocol vs Symbiosis

A detailed head-to-head comparison of Across Protocol and Symbiosis — pricing, features, and which one wins for different use cases.

A

Across Protocol

Intent-based cross-chain bridge with the fastest settlement and lowest fees on EVM routes

4.6(1,240)

Across Protocol is an intent-based bridge that has become the fastest and most capital-efficient way to move assets between Ethereum mainnet and its major Layer 2 networks — Arbitrum, Optimism, Base,

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S

Symbiosis

Cross-chain liquidity protocol bridging 30+ networks including Bitcoin

4.1(98)

Symbiosis is a cross-chain liquidity protocol and bridge that connects 30+ networks — including EVM chains, non-EVM chains, and notably Bitcoin — letting users swap and bridge any supported token acro

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Feature Comparison

FeatureAcross ProtocolSymbiosis
Settlement Time~2 minutes~3-15 min
Bridge ModelIntent-based (relayer network)Cross-chain liquidity swaps
Fee ModelDynamic LP fee onlySwap + bridge fee
Canonical Security
Cross Chain Messages
Governance Token
Multi Chain
Self Custody
Arbitrary Messaging
Non Evm Support

Across Protocol Pricing

Across Protocol

Free (LP fee only)

Free

  • 12+ EVM chains
  • ~2 minute settlement
  • 0.05–0.15% LP fee
  • USDC, ETH, WBTC, DAI, USDT
  • No protocol fee
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Symbiosis Pricing

Symbiosis

Free (bridge fee only)

Free

  • 30+ networks incl. Bitcoin
  • Any-to-any cross-chain swaps
  • Single-transaction routing
  • Non-EVM coverage
  • SIS governance token
Get Started

Verdict: Which Should You Choose?

Across Protocol is the better pick if you need fastest evm bridge — ~2 minutes vs hours for canonical bridges. Symbiosis wins when bridges 30+ networks including bitcoin. Both are production-ready — the right choice depends on your team's workflow and budget.