Optimism OP Stack
Optimism OP Stack: A modular, open-source route to customizable Ethereum-compatible rollup chains. Ranked #7 of 32 in Blockchain Platforms by our editors (8.5/10); pricing: Free plan; best for teams launching customizable Ethereum-compatible chains.
At a glance
- Editor score8.5 / 10
- PricingFree plan
- Best forTeams launching customizable Ethereum-compatible chains
- Free planYes
- Paid fromFree
- Deployment modelHybrid
- Facts checked24 Sep 2026
Where it wins
- EVM-equivalent execution supports standard Solidity contracts and Ethereum tooling.
- Configurable settlement, data availability, fees, gas tokens and fault proofs.
- Self-managed or managed operations with compliance controls for permissioned chains.
Where it doesn't
- Self-managed deployments put cloud and VPC operations on your team.
- Fully managed infrastructure pricing is quote-based.
- Its focus is Ethereum-compatible optimistic rollups, not general blockchain designs.
Our verdict on Optimism OP Stack
Optimism OP Stack is an open-source, MIT-licensed software stack for operating EVM-equivalent Layer 2 rollup blockchains. It is aimed at mid-market and enterprise teams that want to launch public or permissioned chains while retaining control over settlement, sequencing, data availability, fee logic, gas-token rules and fault-proof components. Existing Solidity contracts can run with standard Ethereum development tools, and deployments can be hosted in the cloud or self-managed.
Pricing and operations divide into three plans. OP Mainnet places a chain on Optimism’s public flagship network with no infrastructure to manage and no upfront cost. Self Managed runs the chain in your own cloud and VPC, with OP engineering support, assessments, and 24/7 incident response backed by a one-hour critical-issue SLA. Fully Managed has OP Labs operate the sequencer and infrastructure, handle upgrades and monitoring, and provide a contractual uptime SLA. The OP Stack itself carries no licensing fees; OP Enterprise managed infrastructure is quote-based.
Its ecosystem fit is centered on Ethereum compatibility: Solidity is supported, with Hardhat, Foundry and Viem compatibility, alongside a listed integration set of 30 tools. The modular architecture also supports optimistic rollups with configurable settlement, sequencing, data availability and permissioned access controls. Choose OP Stack when your team needs a customizable Ethereum-compatible chain and can decide between internal operations and managed service. Teams seeking a non-Ethereum execution model or a narrowly fixed chain design should consider a platform built for that approach instead.
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Optimism OP Stack pricing
All 3 Optimism OP Stack plans and prices →
Optimism OP Stack fact sheet
| Free plan | Yes |
|---|---|
| Paid from | Free |
| Deployment model | Hybrid |
| Contract languages | Solidity |
| Consensus mechanisms | Optimistic rollup |
| Managed service | Yes |
| Cloud deployment | Not verified |
| Permissioned networks | Yes |
| Deployment | Cloud, Self-hosted |
| Support | Community, Docs, Tickets · 24/7 |
| Built for | Mid-market, Enterprise (editorial estimate) |
| Integrations | 30+ integrations: Hardhat, Foundry, Viem |
| Pricing | Free plan (source) |
| Website | optimism.io |
| Facts checked | 24 Sep 2026 |
Optimism OP Stack integrations
Optimism OP Stack lists 30+ integrations on its own site — the 3 named here are the ones its pages call out.
- Hardhat
- Foundry
- Viem
Alternatives to Optimism OP Stack
- KaleidoKaleido brings consortium-chain operations, smart-contract tooling and hybrid deployment into one platform.9.2
- Hyperledger FabricFree, self-managed framework for permissioned consortium networks with configurable privacy and policies.9.0
- Amazon Managed BlockchainA managed AWS service for teams building applications on public chains or private Fabric networks.8.9
See all Optimism OP Stack alternatives →
Optimism OP Stack vs the competition
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Compare Optimism OP Stack with any tool side by side →
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Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
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