| EZKL | Reusable Verifier only (v0.1.0), Bn254 (Curve), BDFG21 (batch opening scheme), no accumulator | Max number of Public Inputs: 32 |
| Fflonk | Bn128 | Public Inputs: 1 |
| Groth16 | Bls12-381, Bn128 | Public Inputs: 64 |
| Noir UltraHonk | Noir v1.0.0-beta.6, v0.84.0 <= bb < v0.86.* and 0.84.0 <= bb.js < v0.86.*, both ZK and non-ZK variants, Keccak256 only | Public Inputs: 32 |
| Noir UltraPlonk | >= v0.31.0, bbup <= v0.76.4 | Public Inputs: 32 |
| Risc0 | v2.1, v2.2, v2.3 | Max Public Inputs Size: 2052 bytes (2048 bytes user input), Format: cbor |
| Plonky2 | Keccak256, Poseidon | Max number of Public Inputs: 64, Max Proof Size: 256 KiB, Max Verification Key Size: 50 KB |
| SP1 | v5.x | Max Public Inputs Size: 2048 bytes |