{"slug":"best-zkvm-for-verifiable-offchain-compute","title":"Best zkVM for verifiable offchain compute","question":"What are the best zkVMs for verifiable offchain compute in 2026?","verdict":"As of 2026-07-18, ChatGPT, Claude, Gemini collectively rank SP1 first for zkvm for verifiable offchain compute. Source: https://modelsagree.com/best/best-zkvm-for-verifiable-offchain-compute (modelsagree.com, CC BY 4.0).","category":"Crypto","url":"https://modelsagree.com/best/best-zkvm-for-verifiable-offchain-compute","updated":"2026-07-18","models":["ChatGPT","Claude","Gemini"],"consensus":"All 3 models rank SP1 the top pick","disagreement":null,"combined":[{"rank":1,"product":"SP1","domain":null,"score":15,"appearances":3,"modelRanks":{"ChatGPT":1,"Claude":1,"Gemini":1},"reason":"Best overall balance of fast CPU/GPU proving, broad Rust and LLVM compatibility, mature recursion and precompiles, on-chain verifiers, audited production readiness, and an available prover network; near-tied with RISC Zero, but generally stronger on throughput and developer convenience."},{"rank":2,"product":"RISC Zero","domain":null,"score":12,"appearances":3,"modelRanks":{"ChatGPT":2,"Claude":2,"Gemini":2},"reason":"The most battle-tested general-purpose choice, with a mature Rust workflow, strong documentation, explicit privacy semantics, recursive receipts, transparent STARK foundations, independent audits, Bonsai proving, and substantial real-world integration evidence."},{"rank":3,"product":"OpenVM","domain":null,"score":7,"appearances":3,"modelRanks":{"ChatGPT":3,"Claude":3,"Gemini":5},"reason":"Exceptional for teams needing a production-oriented, customizable zkVM: modular instruction extensions, efficient cryptographic accelerators, GPU proving, unbounded execution, Ethereum verification, external audits, and formal verification of its RV32IM extension."},{"rank":4,"product":"Jolt","domain":null,"score":6,"appearances":3,"modelRanks":{"ChatGPT":5,"Claude":4,"Gemini":3},"reason":"Achieves rapid proving speeds on standard CPU hardware via a lookup-centric design utilizing Lasso and Jolt sumcheck protocols, with a simplified codebase that greatly improves auditability and verification correctness."},{"rank":5,"product":"Pico","domain":null,"score":3,"appearances":2,"modelRanks":{"ChatGPT":4,"Claude":5},"reason":"Strong proving performance, modular multi-VM architecture, open-source implementation, GPU-oriented scaling, and credible live use through Brevis applications and ProverNet make it valuable for high-throughput blockchain compute."},{"rank":6,"product":"Cairo VM","domain":null,"score":2,"appearances":1,"modelRanks":{"Gemini":4},"reason":"A highly optimized, STARK-friendly custom ISA that achieves industry-leading transaction throughput and cost efficiency by bypassing the emulation overhead of general-purpose CPU architectures."}],"perModel":{"ChatGPT":[{"rank":1,"product":"SP1","reason":"Best overall balance of fast CPU/GPU proving, broad Rust and LLVM compatibility, mature recursion and precompiles, on-chain verifiers, audited production readiness, and an available prover network; near-tied with RISC Zero, but generally stronger on throughput and developer convenience.","fix":"Its optimized stack and hosted proving path create more Succinct-specific coupling than teams wanting a minimal, independently operated proof system may accept."},{"rank":2,"product":"RISC Zero","reason":"The most battle-tested general-purpose choice, with a mature Rust workflow, strong documentation, explicit privacy semantics, recursive receipts, transparent STARK foundations, independent audits, Bonsai proving, and substantial real-world integration evidence.","fix":"Proving is commonly slower or more resource-intensive than SP1 and newer performance-focused systems."},{"rank":3,"product":"OpenVM","reason":"Exceptional for teams needing a production-oriented, customizable zkVM: modular instruction extensions, efficient cryptographic accelerators, GPU proving, unbounded execution, Ethereum verification, external audits, and formal verification of its RV32IM extension.","fix":"Its configurable architecture adds engineering and security-review burden, so it is not the simplest default for ordinary prove-a-Rust-program workloads."},{"rank":4,"product":"Pico","reason":"Strong proving performance, modular multi-VM architecture, open-source implementation, GPU-oriented scaling, and credible live use through Brevis applications and ProverNet make it valuable for high-throughput blockchain compute.","fix":"Its developer ecosystem, independent scrutiny, and general-purpose tooling remain less mature and portable than SP1 or RISC Zero."},{"rank":5,"product":"Jolt","reason":"A technically distinctive RV64 zkVM with excellent CPU performance, compact proofs, a comparatively small and understandable codebase, and first-rate research behind its lookup and memory-checking design; it is a near-tie with Pico for research-heavy self-hosted teams.","fix":"It remains alpha and explicitly unsuitable for production, making it a poor choice for security-critical deployments today."}],"Claude":[{"rank":1,"product":"SP1","reason":"Fastest widely-deployed general RISC-V zkVM with the deepest production footprint — powers proving for major rollups and bridges (e.g. OP-stack fault-proof work, Celestia's Blobstream), ships precompiles that make crypto-heavy workloads practical, and pairs with the Succinct Prover Network so teams get decentralized proving capacity without running GPU fleets; SP1 Hypercube's demonstrated near-real-time Ethereum block proving set the 2025-26 performance bar. Assumption: the typical practitioner wants standard Rust code proven cheaply at scale today.","fix":"Its edge assumes leaning on Succinct's network and audited precompile set — fully self-hosted proving at competitive cost requires serious GPU infrastructure, and the aggressive performance-driven release cadence has meant more churn (and historically some soundness patches) than conservative teams may want."},{"rank":2,"product":"RISC Zero","reason":"The most battle-tested zkVM — longest production history, multiple third-party audits, a formally specified RISC-V circuit, mature dev tooling (Bonsai, Steel for EVM state proofs), and the Boundless proving marketplace for offchain capacity; R0VM 2.0 closed much of the raw speed gap. Best pick when correctness assurance and ecosystem maturity outweigh peak benchmark numbers; near-tie with SP1, ranked second mainly on raw prover throughput.","fix":"Generally slower and costlier per cycle than SP1 on compute-heavy workloads, so at large scale the proving bill is the trade-off for its conservatism."},{"rank":3,"product":"OpenVM","reason":"The modular architecture play — a no-CPU, extension-based framework where you compose exactly the instruction sets and precompiles your workload needs (Keccak, pairing, modular arithmetic, ECRECOVER), yielding excellent performance on specialized workloads; MIT/Apache licensed and adopted for serious production use (e.g. Scroll's zkEVM direction).","fix":"Smaller ecosystem and rougher developer experience than SP1/RISC Zero — the flexibility is aimed at teams willing to engineer custom extensions, not at practitioners who just want to prove a Rust binary with minimal setup."},{"rank":4,"product":"Jolt","reason":"The lookup-singularity (Lasso/sumcheck) architecture delivers standout prover efficiency per unit of engineering complexity, with a codebase small enough to audit meaningfully and strong ongoing formal-verification work; by 2026 it matured from research artifact toward usable tooling and its design has visibly influenced every other prover team.","fix":"Still the least production-hardened of the top tier — thinner tooling, precompile coverage, and onchain-verifier/recursion story, with no managed prover network, so it suits teams betting on the architecture rather than those shipping this quarter."},{"rank":5,"product":"Pico","reason":"Strong late entrant with published benchmarks competitive with or beating SP1 on several workloads, a glued modular multi-backend design (CircleSTARK/KoalaBear), and a real production driver in Brevis's ZK coprocessor business proving app-specific queries over chain data. Near-tie with Jolt — ranked on demonstrated performance vs Jolt's stronger assurance trajectory.","fix":"Youngest audit and ecosystem track record on this list and tightly coupled to Brevis's own roadmap; third-party production deployments and community tooling remain thin compared to SP1/RISC Zero."}],"Gemini":[{"rank":1,"product":"SP1","reason":"Outperforms competitors in raw proving speed and EVM verification costs by utilizing GPU-accelerated proving and built-in precompiles for common cryptographic operations while preserving standard Rust toolchain compatibility.","fix":"High serialization and deserialization costs for input data, combined with a compiler optimization mismatch where standard CPU-oriented LLVM optimizations generate bloated execution traces for un-precompiled Rust code."},{"rank":2,"product":"RISC Zero","reason":"Offers the most mature, battle-tested codebase, stable RISC-V implementation, and comprehensive SDK, backed by the Boundless decentralized prover market to easily scale variable proving workloads.","fix":"Higher base proving overhead and slower local CPU proving times than SP1, making it unsuitable for latency-sensitive applications unless developers strictly optimize trace-level code or pay market premiums for outsourced proving."},{"rank":3,"product":"Jolt","reason":"Achieves rapid proving speeds on standard CPU hardware via a lookup-centric design utilizing Lasso and Jolt sumcheck protocols, with a simplified codebase that greatly improves auditability and verification correctness.","fix":"Extremely high memory consumption that frequently requires 128GB+ RAM for non-trivial execution traces, combined with a lack of mature GPU acceleration or decentralized prover markets."},{"rank":4,"product":"Cairo VM","reason":"A highly optimized, STARK-friendly custom ISA that achieves industry-leading transaction throughput and cost efficiency by bypassing the emulation overhead of general-purpose CPU architectures.","fix":"Lacks compatibility with standard programming languages, forcing practitioners to learn Cairo and rebuilding codebases without access to the general-purpose Rust/C++ ecosystem."},{"rank":5,"product":"OpenVM","reason":"Provides an open-source, modular, CPU-less framework using independent executor chips, enabling developers to easily customize or extend instruction sets for specialized offchain workloads.","fix":"The customizability introduces integration complexity, leaving developers with a much higher build-and-maintenance overhead than all-in-one monolithic zkVMs."}]},"missedByModel":{"ChatGPT":[{"product":"Nexus zkVM","reason":"promising open-source, parallel and distributed proving design, but less production validation and practitioner-ready infrastructure than the top five"},{"product":"Ziren","reason":"competitive MIPS-based performance and reproducible benchmarks, but a smaller ecosystem and weaker general-purpose adoption case"}],"Claude":[{"product":"Nexus zkVM","reason":"clean modular design and ambitious \"verifiable supercomputer\" network, but real-world adoption and sustained performance parity never materialized against the leaders"}],"Gemini":[{"product":"Nexus zkVM","reason":"Pivoted into a consensus-linked execution engine for the Nexus Layer 1 blockchain, reducing its utility as a general-purpose, chain-agnostic offchain coprocessor"}]}}