# tinker_cookbook.sandbox

| Class                                                                                                                              | Description                                                                |
| ---------------------------------------------------------------------------------------------------------------------------------- | -------------------------------------------------------------------------- |
| [`SandboxBackend`](https://tinker-docs.thinkingmachines.ai/cookbook/api-reference/sandbox/sandboxbackend/index.md)                 |                                                                            |
| [`SandboxResult`](https://tinker-docs.thinkingmachines.ai/cookbook/api-reference/sandbox/sandboxresult/index.md)                   | Result from a sandbox operation.                                           |
| [`SandboxTerminatedError`](https://tinker-docs.thinkingmachines.ai/cookbook/api-reference/sandbox/sandboxterminatederror/index.md) | Raised when a sandbox has been terminated or died unexpectedly.            |
| [`SandboxInterface`](https://tinker-docs.thinkingmachines.ai/cookbook/api-reference/sandbox/sandboxinterface/index.md)             | Interface for a sandbox.                                                   |
| [`SandboxFusionClient`](https://tinker-docs.thinkingmachines.ai/cookbook/api-reference/sandbox/sandboxfusionclient/index.md)       | Async HTTP client for SandboxFusion code execution.                        |
| [`ModalSandbox`](https://tinker-docs.thinkingmachines.ai/cookbook/api-reference/sandbox/modalsandbox/index.md)                     | Persistent Modal sandbox for code execution. Conforms to SandboxInterface. |
| [`ModalSandboxPool`](https://tinker-docs.thinkingmachines.ai/cookbook/api-reference/sandbox/modalsandboxpool/index.md)             | Pool of Modal sandboxes for concurrent execution.                          |