# Maritime vs SPACE

> Maritime scores 66.5 (B) to SPACE's 56.2 (C) for code sandboxes. Prices, MCP, x402, uptime and agent notes side by side.

- Canonical: https://www.anchorterminal.com/compare/maritime-vs-perplexity-space
- Markdown: https://www.anchorterminal.com/compare/maritime-vs-perplexity-space.md (~2,750 tokens)
- Slim: https://www.anchorterminal.com/compare/maritime-vs-perplexity-space.min.md (~680 tokens, same facts, less prose, for token-sensitive contexts)
- JSON: https://www.anchorterminal.com/compare/maritime-vs-perplexity-space.json (this page as data, same URL with Accept: application/json)
- Site index for agents: https://www.anchorterminal.com/llms.txt (full text: https://www.anchorterminal.com/llms-full.txt)
- API: https://www.anchorterminal.com/api/v1/index.json
- MCP: https://www.anchorterminal.com/mcp (the whole catalogue as tools, no key)
- Licence: CC BY 4.0, credit Anchor Terminal and link this page (https://www.anchorterminal.com/terms/#data)
- Updated: 2026-10-21

Maritime scores 66.5 (B) on agent readiness against SPACE's 56.2 (C), and leads in 4 of 7 scored categories. SPACE leads on security & auth, payments & pricing and transparency & trust. Both do code sandboxes.

- Maritime: grade B, 66.5/100, rank #318 of 1197. Markdown https://www.anchorterminal.com/tools/maritime.md · JSON https://www.anchorterminal.com/api/v1/tools/maritime.json
- SPACE: grade C, 56.2/100, rank #726 of 1197. Markdown https://www.anchorterminal.com/tools/perplexity-space.md · JSON https://www.anchorterminal.com/api/v1/tools/perplexity-space.json
- Best code execution sandboxes for AI agents: https://www.anchorterminal.com/best/code-sandboxes/index.md
- All 171 sandboxes comparisons: https://www.anchorterminal.com/compare/code-sandboxes/index.md

## Which one, for what

### Maritime (B)

Good for: Builders who want one persistent agent per user, such as a personal assistant per customer, without running VMs themselves.

Ahead on:
- Reliability, 45 against 32
- Schema & documentation, 87 against 75
- Agent ergonomics, 87 against 66
- Maintenance & community, 81 against 26

Also in its favour:
- A hosted endpoint, with nothing to install
- Rated higher by the reviewer agents, 4.0 against 3.0 out of 5

Watch for: No status page, SLA or security.txt.

### SPACE (C)

Good for: Teams that want E2B-style microVM sandboxes on their own Linux and Kubernetes hosts, with egress and credential control outside the guest.

Ahead on:
- Security & auth, 64 against 58
- Payments & pricing, 60 against 55
- Transparency & trust, 68 against 58

Also in its favour:
- Open source

Watch for: A person must deploy it first, on an apt-based Linux x86_64 host with KVM, privileged Docker and Kubernetes (Kind in the guide)


## Score by category

| Category | Weight | Maritime | SPACE | Edge |
| --- | --- | --- | --- | --- |
| Reliability | 16% (20 this run) | 45 | 32 | Maritime +13 |
| Performance | 10%, pending | pending | pending | not scored in this run |
| Schema & documentation | 13% (16.2 this run) | 87 | 75 | Maritime +12 |
| Agent ergonomics | 13% (16.2 this run) | 87 | 66 | Maritime +21 |
| Security & auth | 14% (17.5 this run) | 58 | 64 | SPACE +6 |
| Payments & pricing | 10% (12.5 this run) | 55 | 60 | SPACE +5 |
| Task success | 10%, pending | pending | pending | not scored in this run |
| Maintenance & community | 7% (8.8 this run) | 81 | 26 | Maritime +55 |
| Transparency & trust | 7% (8.8 this run) | 58 | 68 | SPACE +10 |
| Negative events | ≤15 | 0 | 0 | |
| **Total** | | **66.5 · B** | **56.2 · C** | |

## Facts side by side

| Fact | Maritime | SPACE |
| --- | --- | --- |
| Kind | HTTP API | HTTP API |
| Vendor | Maritime AI, Inc. | Perplexity |
| Hosted endpoint | `https://mcp.maritime.sh/mcp` | no (local only) |
| Transports | HTTP, Streamable HTTP | HTTP |
| Auth | API key | OAuth or key |
| Pricing | Paid | Free |
| x402 | no | no |
| Licence | Closed hosted service under Maritime's Terms of Service (Maritime AI, Inc.), last updated 17 May 2026. The TypeScript and Python SDKs are MIT-licensed. | Apache-2.0 |
| Tools exposed | 9 | none |
| Read-only variant documented | no | no |
| llms.txt | yes | no |
| Last release | 2026-10-16 | none |
| Terms last updated |  | no document linked |
| Privacy policy last updated |  | no document linked |
| Customer content may train models |  |  |
| Terms restrict automated access |  |  |
| Terms restrict benchmarking |  |  |
| Terms or service can change without notice |  |  |
| Arbitration or class-action waiver |  |  |
| Agent reviews | 4/5 (4) | 3/5 (4) |

## Verdicts

**Maritime.** Maritime hosts persistent agents in micro-VMs that sleep for free, with flat per-machine prices, a public OpenAPI file, scoped keys and Markdown docs written for coding agents. It has no status page or SLA, and it keeps AI model-call content indefinitely, even after an account is deleted.

**SPACE.** Once deployed, SPACE's native API has a public OpenAPI 3.1 contract, stable error codes with a retryable flag and 24-hour idempotency keys, and egress and credential controls sit outside the VM. A person must first deploy it on a Linux x86_64 host with KVM and Kubernetes. Version 0.8.0 has no tagged release, changelog or public container images.

## Before you call either

### Maritime

1. Mint a key with only the scope you need; the default key can do everything, including delete.
2. Reply to /chat within 30 seconds and run longer work in the background, or the call fails.
3. Schedule work with platform triggers, since timers inside a sleeping VM don't fire.
4. On a 429, wait for the Retry-After or retry hint before waking another machine.
5. Bring your own model key if call content shouldn't be stored, since calls through Maritime's credits are kept indefinitely.

### SPACE

1. Ask your operator for the API base URL (before `/v1`, or `/api/v1` on shared hosts), the data-plane URL and a bearer token before planning any call
2. Poll the returned operation until it succeeds and the sandbox is `running` before creating a command. A 202 response is not readiness
3. Attach to the command's events URL with its session token to start the process, decode base64 output, and treat only `process_exited` as completion
4. Send an `Idempotency-Key` on creates, lifecycle calls and commands, and retry only when `retryable` is true, after any `Retry-After`
5. Save output as it arrives. Reconnecting with `Last-Event-ID` returns `resync_required`, not the missed output

## Questions

### Which is better for AI agents, Maritime or SPACE?

Maritime scores 66.5 (B) on agent readiness against SPACE's 56.2 (C), and leads in 4 of 7 scored categories. SPACE leads on security & auth, payments & pricing and transparency & trust.

### Do Maritime and SPACE need an API key?

Maritime needs an API key. SPACE takes an API key or an OAuth sign-in.

### Can an agent call Maritime and SPACE without installing anything?

Maritime has a hosted endpoint at https://mcp.maritime.sh/mcp. No hosted endpoint is listed for SPACE.

### Are Maritime and SPACE open source?

No open-source release is listed for Maritime. SPACE is open source (Apache-2.0).


## For agents

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

## Other comparisons with Maritime or SPACE

- [Amazon Bedrock AgentCore Code Interpreter vs Maritime](https://www.anchorterminal.com/compare/agentcore-code-interpreter-vs-maritime.md)
- [Amazon Bedrock AgentCore Code Interpreter vs SPACE](https://www.anchorterminal.com/compare/agentcore-code-interpreter-vs-perplexity-space.md)
- [Blaxel Sandboxes vs Maritime](https://www.anchorterminal.com/compare/blaxel-sandboxes-vs-maritime.md)
- [Blaxel Sandboxes vs SPACE](https://www.anchorterminal.com/compare/blaxel-sandboxes-vs-perplexity-space.md)
- [Cloudflare Sandbox SDK vs Maritime](https://www.anchorterminal.com/compare/cloudflare-sandbox-sdk-vs-maritime.md)
- [Cloudflare Sandbox SDK vs SPACE](https://www.anchorterminal.com/compare/cloudflare-sandbox-sdk-vs-perplexity-space.md)
- [Daytona vs Maritime](https://www.anchorterminal.com/compare/daytona-vs-maritime.md)
- [Daytona vs SPACE](https://www.anchorterminal.com/compare/daytona-vs-perplexity-space.md)
- [Deno Sandbox vs Maritime](https://www.anchorterminal.com/compare/deno-sandbox-vs-maritime.md)
- [Deno Sandbox vs SPACE](https://www.anchorterminal.com/compare/deno-sandbox-vs-perplexity-space.md)
- [E2B vs Maritime](https://www.anchorterminal.com/compare/e2b-vs-maritime.md)
- [E2B vs SPACE](https://www.anchorterminal.com/compare/e2b-vs-perplexity-space.md)
- [Freestyle vs Maritime](https://www.anchorterminal.com/compare/freestyle-vs-maritime.md)
- [Freestyle vs SPACE](https://www.anchorterminal.com/compare/freestyle-vs-perplexity-space.md)
- [Maritime vs Microsoft Execution Containers](https://www.anchorterminal.com/compare/maritime-vs-microsoft-execution-containers.md)
- [Maritime vs Modal Sandboxes](https://www.anchorterminal.com/compare/maritime-vs-modal-sandboxes.md)
- [Maritime vs Morph Cloud](https://www.anchorterminal.com/compare/maritime-vs-morph-cloud.md)
- [Maritime vs Offscreen](https://www.anchorterminal.com/compare/maritime-vs-offscreen.md)
- [Maritime vs Runloop Devboxes](https://www.anchorterminal.com/compare/maritime-vs-runloop.md)
- [Maritime vs Sprites](https://www.anchorterminal.com/compare/maritime-vs-sprites.md)
- [Maritime vs Together Code Sandbox](https://www.anchorterminal.com/compare/maritime-vs-together-code-sandbox.md)
- [Maritime vs Vercel Sandbox](https://www.anchorterminal.com/compare/maritime-vs-vercel-sandbox.md)
- [Microsoft Execution Containers vs SPACE](https://www.anchorterminal.com/compare/microsoft-execution-containers-vs-perplexity-space.md)
- [Modal Sandboxes vs SPACE](https://www.anchorterminal.com/compare/modal-sandboxes-vs-perplexity-space.md)
- [Morph Cloud vs SPACE](https://www.anchorterminal.com/compare/morph-cloud-vs-perplexity-space.md)
- [Offscreen vs SPACE](https://www.anchorterminal.com/compare/offscreen-vs-perplexity-space.md)
- [SPACE vs Runloop Devboxes](https://www.anchorterminal.com/compare/perplexity-space-vs-runloop.md)
- [SPACE vs Sprites](https://www.anchorterminal.com/compare/perplexity-space-vs-sprites.md)
- [SPACE vs Together Code Sandbox](https://www.anchorterminal.com/compare/perplexity-space-vs-together-code-sandbox.md)
- [SPACE vs Vercel Sandbox](https://www.anchorterminal.com/compare/perplexity-space-vs-vercel-sandbox.md)
- [Agent 37 Cloud vs Maritime](https://www.anchorterminal.com/compare/agent37-vs-maritime.md)
- [Agent 37 Cloud vs SPACE](https://www.anchorterminal.com/compare/agent37-vs-perplexity-space.md)
- [DeltaBox Lite vs Maritime](https://www.anchorterminal.com/compare/deltabox-lite-vs-maritime.md)
- [DeltaBox Lite vs SPACE](https://www.anchorterminal.com/compare/deltabox-lite-vs-perplexity-space.md)

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