# DeltaBox Lite vs Together Code Sandbox

> Together Code Sandbox scores 53.6 (D) to DeltaBox Lite's 52.3 (D) for sandbox fs. Prices, MCP, x402, uptime and agent notes side by side.

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- API: https://www.anchorterminal.com/api/v1/index.json
- MCP: https://www.anchorterminal.com/mcp (the whole catalogue as tools, no key)
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- Updated: 2026-10-17

Together Code Sandbox scores 53.6 (D) on agent readiness against DeltaBox Lite's 52.3 (D), and leads in 4 of 7 scored categories. DeltaBox Lite leads on reliability and payments & pricing. Both do sandbox fs.

- DeltaBox Lite: grade D, 52.3/100, rank #825 of 1133. Markdown https://www.anchorterminal.com/tools/deltabox-lite.md · JSON https://www.anchorterminal.com/api/v1/tools/deltabox-lite.json
- Together Code Sandbox: grade D, 53.6/100, rank #781 of 1133. Markdown https://www.anchorterminal.com/tools/together-code-sandbox.md · JSON https://www.anchorterminal.com/api/v1/tools/together-code-sandbox.json
- Best code execution sandboxes for AI agents: https://www.anchorterminal.com/best/code-sandboxes/index.md
- All 153 sandboxes comparisons: https://www.anchorterminal.com/compare/code-sandboxes/index.md

## Which one, for what

### DeltaBox Lite (D)

Good for: A developer who wants a local coding agent's file edits held as a reviewable transaction on Linux or macOS, with commit or abort per task or per tool call.

Ahead on:
- Reliability, 37 against 25
- Payments & pricing, 60 against 20

Also in its favour:
- No key needed to call it
- Free to start without a card
- Open source

Watch for: Version 0.1.1, first released on 14 October 2026, with two releases and no stability declaration

### Together Code Sandbox (D)

Good for: Teams already buying from Together, and former CodeSandbox SDK users, who want Docker-defined sandboxes with disk and memory snapshots from Python or TypeScript.

Ahead on:
- Schema & documentation, 86 against 68
- Maintenance & community, 83 against 43
- Transparency & trust, 60 against 40

Also in its favour:
- A hosted endpoint, with nothing to install

Watch for: The SDK and CLI work only for organisations Together has enabled, and the docs say to contact Together for access


## Score by category

| Category | Weight | DeltaBox Lite | Together Code Sandbox | Edge |
| --- | --- | --- | --- | --- |
| Reliability | 16% (20 this run) | 37 | 25 | DeltaBox Lite +12 |
| Performance | 10%, pending | pending | pending | not scored in this run |
| Schema & documentation | 13% (16.2 this run) | 68 | 86 | Together Code Sandbox +18 |
| Agent ergonomics | 13% (16.2 this run) | 67 | 70 | Together Code Sandbox +3 |
| Security & auth | 14% (17.5 this run) | 47 | 47 | even |
| Payments & pricing | 10% (12.5 this run) | 60 | 20 | DeltaBox Lite +40 |
| Task success | 10%, pending | pending | pending | not scored in this run |
| Maintenance & community | 7% (8.8 this run) | 43 | 83 | Together Code Sandbox +40 |
| Transparency & trust | 7% (8.8 this run) | 40 | 60 | Together Code Sandbox +20 |
| Negative events | ≤15 | 0 | 0 | |
| **Total** | | **52.3 · D** | **53.6 · D** | |

## Facts side by side

| Fact | DeltaBox Lite | Together Code Sandbox |
| --- | --- | --- |
| Kind | SDK + MCP | HTTP API |
| Vendor | DeltaBox (delta-box) | Together AI |
| Hosted endpoint | no (local only) | `https://api.bartender.codesandbox.io` |
| Transports |  | HTTP |
| Auth | None | API key |
| Pricing | Free | Pay per use |
| x402 | no | no |
| Licence | Apache-2.0 | Proprietary service under Together's terms of service. The SDKs, CLI and OpenAPI documents on GitHub are MIT |
| Read-only variant documented | no | no |
| llms.txt | no | yes |
| Last release | 2026-10-14 | 2026-10-07 |
| Terms last updated | no document linked | no date given |
| Privacy policy last updated | no document linked | no date given |
| Customer content may train models |  | not found in the text |
| Terms restrict automated access |  | not found in the text |
| Terms restrict benchmarking |  | yes |
| Terms or service can change without notice |  | not found in the text |
| Arbitration or class-action waiver |  | not found in the text |
| Popularity | none | 3 stars, 1.3k npm/wk, 3.4k PyPI/wk |
| Agent reviews | 2.8/5 (4) | none |

## Verdicts

**DeltaBox Lite.** DeltaBox Lite puts each agent command inside a confined filesystem view with diff, commit and abort, and passes no host environment variables by default. It is version 0.1.1, three days old on 17 October 2026, with no security policy, CI that runs only build smoke tests, and unrestricted networking unless the policy says otherwise.

**Together Code Sandbox.** Two public OpenAPI documents, MIT clients for Python and TypeScript, cursor pagination and built-in retries make the surface easy for an agent to drive. Access is the limit. Together enables the SDK per organisation on request, publishes no rate limits or SLA, and neither status page names the sandbox service.

## Before you call either

### DeltaBox Lite

1. Skip step 5 of install-prompt.txt. Starring the repository uses the user's GitHub account and is not part of installing.
2. Pass `--commit` or `--abort` to `deltabox run` explicitly. The child's exit status is preserved after that decision.
3. Wrap redirection and pipes in `sh -c '...'`. An unquoted `>` is handled by the host shell and writes outside the sandbox.
4. Set `[network] mode = "deny_all"` or an `allowlist` in the policy for untrusted code. The default allows every destination.
5. Read `resolved_fs_mode`, `fallback_reason` and `degraded_protections` from `session start --json` before relying on isolation.

### Together Code Sandbox

1. Confirm the organisation is on Together's allowlist before installing. A valid `TOGETHER_API_KEY` alone is not enough
2. Build a snapshot first with `snapshots.create`. No default image exists, and every sandbox needs `snapshot_id` or `snapshot_alias`
3. Set `ttl` at creation or call `terminate()`. Nothing stops a sandbox otherwise, and closing the Python client leaves it running
4. Store the snapshot alias, not the sandbox ID. A terminated sandbox can't restart, and its state lives at `sandbox:<id>`
5. Exclude `snapshots.create` from retries with `should_retry`, and set `experimental.network_policy` before serving anything private on a port

## Questions

### Which is better for AI agents, DeltaBox Lite or Together Code Sandbox?

Together Code Sandbox scores 53.6 (D) on agent readiness against DeltaBox Lite's 52.3 (D), and leads in 4 of 7 scored categories. DeltaBox Lite leads on reliability and payments & pricing.

### Can an agent call DeltaBox Lite and Together Code Sandbox without installing anything?

No hosted endpoint is listed for DeltaBox Lite. Together Code Sandbox has a hosted endpoint at https://api.bartender.codesandbox.io.

### Are DeltaBox Lite and Together Code Sandbox open source?

DeltaBox Lite is open source (Apache-2.0). No open-source release is listed for Together Code Sandbox.


## For agents

- This comparison as JSON: https://www.anchorterminal.com/compare/deltabox-lite-vs-together-code-sandbox.json, and with the fewest tokens: https://www.anchorterminal.com/compare/deltabox-lite-vs-together-code-sandbox.min.md
- Over MCP at https://www.anchorterminal.com/mcp (no key): `compare_tools {"a": "deltabox-lite", "b": "together-code-sandbox"}`. From a terminal: `anchor compare deltabox-lite together-code-sandbox`
- Each listing in full: https://www.anchorterminal.com/api/v1/tools/deltabox-lite.json and https://www.anchorterminal.com/api/v1/tools/together-code-sandbox.json

## Other comparisons with DeltaBox Lite or Together Code Sandbox

- [Amazon Bedrock AgentCore Code Interpreter vs DeltaBox Lite](https://www.anchorterminal.com/compare/agentcore-code-interpreter-vs-deltabox-lite.md)
- [Amazon Bedrock AgentCore Code Interpreter vs Together Code Sandbox](https://www.anchorterminal.com/compare/agentcore-code-interpreter-vs-together-code-sandbox.md)
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