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Cloudflare Workers vs AWS Lambda: free tier limits side by side
The free tier limit rows of Cloudflare Workers and AWS Lambda, as each vendor's public page listed them. Data collected on 2026-10-05.
Each column keeps the order of that tool's own page. A row puts two items next to each other by position only: they are the same kind of limit only when the item names say so. This page ranks nothing and picks neither tool.
| Cloudflare Workers | AWS Lambda |
|---|---|
| Requests: 100,000 per day | Requests: 1 million per month |
| CPU time: 10 milliseconds per invocation | Compute: 400,000 GB-seconds per month |
| KV keys read: 100,000 / day | Response streaming: 100 GB per month |
| KV keys written: 1,000 / day | Ephemeral storage per function: 512 MB |
| KV storage: 1 GB | |
| D1 rows read: 5 million / day | |
| D1 rows written: 100,000 / day | |
| D1 storage: 5 GB (total) | |
| Workers Logs events: 200,000 per day |
Tool pages
Each tool page has the card and commercial use terms, the gotchas and the address of the vendor page that was read.
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