Ethereum archive-RPC pricing starts with the question being asked.

Historical chain records and historical state are different data requirements. An old block, transaction or receipt can be retrieved as a chain-history record. A balance, storage slot, contract-code lookup or eth_call evaluated at an old block depends on the state that existed at that point.

Trace and debug methods form another category. They reconstruct execution details and may carry different availability, routing and billing rules from ordinary JSON-RPC calls.

Build the estimate from the real method mix:

• Standard historical reads

• Historical-state calls

• Trace and debug requests

• Log queries and range splitting

• Retries, failures and backfills

• Peak requests per second and concurrency

Then translate that workload into each provider’s accounting model. Raw requests, request units, API credits and compute units are not interchangeable labels.

For testing, fix the client region, block numbers, methods, concurrency, timeout policy and retry settings. Record accepted results, latency and failure rate separately. Do not claim a provider is faster from unmatched tests.

At sustained volume, compare metered access with dedicated or fixed-capacity infrastructure. The cheaper model depends on the workload, not on the largest advertised quota.

Full TokenToolHub guide:

https://tokentoolhub.com/ethereum-archive-rpc-cost/

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