Optimism (op) Price: 1.45$ 
Cosmos Hub (atom) Price: 7.52$Comparison and Review: OP Token vs Atom Token
OP Token (Optimism)
OP is the token for the Optimism Collective that governs the Optimism L2 blockchain. It is associated with the asset platform Optimistic Ethereum. The Optimism Collective aims to drive rapid and sustainable growth of a decentralized ecosystem through digital democratic governance and is guided by the Optimism Foundation.
OP token governs upgrades to the protocol and network parameters of the Optimism blockchain. It also provides incentives for projects and users in the Optimism ecosystem. The token distribution includes allocating 5.4% of the total token supply to projects on Optimism over the next six months through governance.
Atom Token (Cosmos Hub)
The Atom token is native to the Cosmos Hub, which is a multi-asset distributed ledger. Cosmos is a network of independent blockchains known as zones, connected through hubs. These zones utilize classical Byzantine fault-tolerant (BFT) consensus protocols like Tendermint. The Cosmos Hub allows interoperability between different applications and cryptocurrencies without the need for intermediaries.
Atoms have multiple use cases within the Cosmos Hub ecosystem. They serve as a spam-prevention mechanism, staking tokens for earning block rewards, and as a voting mechanism in governance. Atoms are used to pay fees, and the more Atoms collateralized, the higher the economic security of the Cosmos Hub. Atom holders can participate in the governance process by voting on proposals with their staked Atoms.