Cloudflare Sandboxes
Ranked 11 of 12 cloud sandboxes by recommenders
Recommended for running agent coding loops cheaply and quickly, with a safe sandbox and persistent agent state. Critics say it costs more than most alternatives.
Recommended for running agent coding loops cheaply and quickly, with a safe sandbox and persistent agent state. Critics say it costs more than most alternatives.
7 people gave an opinion
- recommend it
- 6
- criticize it
- 1
- approval share
- 86%
Recommended in 4 of 13 months
- November 2025: not recommended
- December 2025: not recommended
- January 2026: recommended
- February 2026: not recommended
- March 2026: not recommended
- April 2026: recommended
- May 2026: not recommended
- June 2026: not recommended
- July 2026: not recommended
- August 2026: recommended
- September 2026: not recommended
- October 2026: recommended
- November 2026: not recommended (month in progress)
Why it doesn’t carry the badge
- 6 people recommend itNeeds 10 or more, not met.
- 6 recommenders for every criticNeeds 2 to 1 or better, met.
- Recommended in 4 of 13 monthsNeeds 4 or more, met.
The same three rules apply to every product, and the badge can’t be bought. How the badge works
What people say about it
The reasons people give, with the number of comments that give each one. Open a reason to read what they said.
Why people recommend it
Each mark is one comment
Cheap, fast, safe agent sandboxing
“It's awesome how cheaply you can run an entire agentic coding loop (including compilation & live reload) in their v8 isolate sandbox.”
Comment from 21 Oct 2026 in “Tsrs: A Port of TypeScript to Rust” “this seems like a game changer and has all the features needed for a safe sandbox with persistent agent states”
Comment from 15 Apr 2026 in “Cloudflare: Agents have their own computers with Sandboxes GA” “Cloudflare is ahead of the game for pricing and performance”
Comment from 7 Apr 2026 in “Launch HN: Freestyle: Sandboxes for AI Coding Agents”
Other cloud sandboxes people recommend
The four most recommended other cloud sandboxes, with the same counts for each, so you can compare like for like. The tick on each bar marks the 2 to 1 line the badge needs.
| Product | Recommend | Criticize | Approval | Months | Owned | Badge |
|---|---|---|---|---|---|---|
| Sprites | 58 | 30 | 66% | 11 | 3 mo4 owners | — |
| E2B | 23 | 4 | 85% | 9 | — | Approved |
| Deno Sandbox | 21 | 9 | 70% | 4 | — | Approved |
| Freestyle Sandboxes | 20 | 8 | 71% | 2 | — | — |
| Cloudflare SandboxesThis page | 6 | 1 | 86% | 4 | — | — |
What people said
6 of the 7 comments that mention it, newest first. Each links to the original comment.
“It's awesome how cheaply you can run an entire agentic coding loop (including compilation & live reload) in their v8 isolate sandbox.”
“Cloudflare sandboxes are even more expensive than most.”
“Works incredibly well with latest gen models.”
“this seems like a game changer and has all the features needed for a safe sandbox with persistent agent states”
“Cloudflare is ahead of the game for pricing and performance”
“Wait, why not just actually use the Cloudflare Sandboxes product then?”
Counts come from 1,795,640 Hacker News comments, November 2025 to November 2026. How we count. Report a mistake.