| Execution host | Your laptopYour computer runs the agent. | Hosted platformsProvider-operated compute. Available environments vary. | AetherA Linux server you operate runs the agent in Docker. |
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| Laptop sleep | Your laptopLocal execution pauses when the computer sleeps. | Hosted platformsRemote execution need not depend on your laptop. Session limits vary. | AetherDisconnect without stopping the run. Your server must stay on. |
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| Agent choice | Your laptopUse agents that support your local environment. | Hosted platformsAgent and model choices depend on the provider. | AetherClaude Code, Codex and many more agent CLIs, or a custom agent of your own, chosen per run. Aether installs one when you ask and you log in on the server. |
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| Working together | Your laptopGit and collaboration tools you choose. | Hosted platformsLive access, permissions and review workflows vary. | AetherEveryone on the server can watch any live run. One person controls it at a time and a teammate can ask to take over. Viewer, collaborator and admin roles set who may steer. |
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| Environment / isolation | Your laptopYour local environment, plus any sandbox you configure. | Hosted platformsSandbox boundaries and configuration vary by provider. | AetherA container and git worktree per run, plus its own headless browser once opened. The container is the boundary; agents run as root by default. |
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| Returned code | Your laptopAlready in your local checkout; review and commit with your tools. | Hosted platformsBranches, pull requests and export options vary. | AetherEvery run ends as a branch. Push it and open a pull request from the app, or pull it into your clone; neither merges it into your base branch. |
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| Accounts / credentials / data | Your laptopLocal credentials and the data policies of your chosen agent and model provider. | Hosted platformsAccount requirements, credential handling and data retention vary. Check the provider's terms. | AetherCredentials live in server-side member homes mounted into runs. Agent providers still receive the data their CLIs send. Optional edge details below. |
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| Operator / cost | Your laptopYou maintain the computer and pay your chosen agent or model provider. | Hosted platformsThe provider operates the service. Plans, limits and included model usage vary. | AetherYou maintain the server, Docker, updates and backups, and cover compute plus agent or model costs. |
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