mitsuhiko: coding in cloud sandboxes still loses to a well-provisioned local machine
mitsuhiko · x · 2026-11-07
- Developer mitsuhiko pushes back on claims that cloud-sandbox coding workflows work well: after multiple serious attempts with various cloud dev environments and sandboxing solutions, he keeps falling back to his own infrastructure.
- His math: running a machine provisioned with all his tooling is cheaper and more convenient than programming in sandboxes.
- Common failure mode he observes (with acknowledged selection bias): people primarily working with codex/Claude on remote devs end up mocking their databases — not because they can't configure them, but because asking agents to "make it run faster" pushes them away from real databases.
Related event: mitsuhiko: Tried Every Cloud Sandbox, Still Prefers His Own Machine(2 posts)→
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