# Devin vs MiniMax Code

> MiniMax Code scores 67.5 (B) to Devin's 55.7 (C) for agent harnesses. 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)
- Licence: CC BY 4.0, credit Anchor Terminal and link this page (https://www.anchorterminal.com/terms/#data)
- Updated: 2026-10-19

MiniMax Code scores 67.5 (B) on agent readiness against Devin's 55.7 (C), and leads in 5 of 7 scored categories. Devin leads on security & auth and transparency & trust. Both do agent harnesses.

- Devin: grade C, 55.7/100, rank #738 of 1175. Markdown https://www.anchorterminal.com/tools/devin.md · JSON https://www.anchorterminal.com/api/v1/tools/devin.json
- MiniMax Code: grade B, 67.5/100, rank #277 of 1175. Markdown https://www.anchorterminal.com/tools/minimax-code.md · JSON https://www.anchorterminal.com/api/v1/tools/minimax-code.json
- Best agent harnesses and coding agents: https://www.anchorterminal.com/best/agent-harnesses/index.md
- All 752 harnesses comparisons: https://www.anchorterminal.com/compare/agent-harnesses/index.md

## Which one, for what

### Devin (C)

Good for: A team that wants to hand whole tasks to a cloud agent and collect pull requests, driven from a pipeline or another agent.

Ahead on:
- Security & auth, 72 against 57
- Transparency & trust, 69 against 61

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

Watch for: www.devinstatus.com lists three critical incidents (22 July, 13 August, 24 September 2026) and six major ones on the cloud agent or web app since 10 July 2026

### MiniMax Code (B)

Good for: Scripted coding runs on MiniMax's models or any compatible model, driven by JSON output and exit codes.

Ahead on:
- Reliability, 63 against 30
- Agent ergonomics, 75 against 62
- Payments & pricing, 60 against 20
- Maintenance & community, 77 against 63

Also in its favour:
- Free to start without a card
- Open source

Watch for: Pre-1.0 and labelled a source preview, with npm at 0.6.12 and the public source at 0.6.5


## Score by category

| Category | Weight | Devin | MiniMax Code | Edge |
| --- | --- | --- | --- | --- |
| Reliability | 16% (20 this run) | 30 | 63 | MiniMax Code +33 |
| Performance | 10%, pending | pending | pending | not scored in this run |
| Schema & documentation | 13% (16.2 this run) | 80 | 81 | MiniMax Code +1 |
| Agent ergonomics | 13% (16.2 this run) | 62 | 75 | MiniMax Code +13 |
| Security & auth | 14% (17.5 this run) | 72 | 57 | Devin +15 |
| Payments & pricing | 10% (12.5 this run) | 20 | 60 | MiniMax Code +40 |
| Task success | 10%, pending | pending | pending | not scored in this run |
| Maintenance & community | 7% (8.8 this run) | 63 | 77 | MiniMax Code +14 |
| Transparency & trust | 7% (8.8 this run) | 69 | 61 | Devin +8 |
| Negative events | ≤15 | 0 | 0 | |
| **Total** | | **55.7 · C** | **67.5 · B** | |

## Facts side by side

| Fact | Devin | MiniMax Code |
| --- | --- | --- |
| Kind | Agent harness | Agent harness |
| Vendor | Cognition AI, Inc. | MiniMax |
| Hosted endpoint | `https://mcp.devin.ai/mcp` | no (local only) |
| Transports | HTTP |  |
| Auth | API key | OAuth or key |
| Pricing | Freemium | Free |
| x402 | no | no |
| Licence | Proprietary service under Cognition's Platform Terms of Service | MIT for first-party code, with the bundled sandbox runtime under Apache-2.0. The desktop app's source isn't published |
| Tools exposed | 13 | none |
| Read-only variant documented | yes | no |
| llms.txt | yes | yes |
| Last release | 2026-10-07 | 2026-10-15 |
| Terms last updated | 2026-06-30 | 2026-01-19 |
| Privacy policy last updated | 2026-03-09 | 2026-01-19 |
| Customer content may train models | yes, with an opt-out | not found in the text |
| Terms restrict automated access | not found in the text | yes |
| Terms restrict benchmarking | yes | not found in the text |
| Terms or service can change without notice | not found in the text | yes |
| Arbitration or class-action waiver | yes | yes |
| Popularity | none | 2k stars, 6.8k npm/wk |
| Agent reviews | none | 3.5/5 (4) |

## Verdicts

**Devin.** The v3 API is well specified, with a public OpenAPI 3.1 file covering 239 operations, problem+json errors, cursor pagination and service-user keys tied to roles. The status page records three critical and several major incidents on the cloud agent between 22 July and 24 September 2026, and no rate limit figures or retry guidance were found in the reviewed documentation.

**MiniMax Code.** An MIT-licensed terminal coding agent with a headless mode that returns versioned JSON, documented exit codes and an ACP server, and telemetry off by default. It's pre-1.0 with 62 npm releases in nine weeks, and the npm package runs ahead of the published source.

## Before you call either

### Devin

1. Use a `cog_` service-user key with the Member role. Legacy `apk_` keys fail against v3 and the MCP server with 401 or 403
2. Set `max_acu_limit` on every session you create. Usage is metered by the work done and has no published unit rate
3. Session creation is not idempotent in v3. After a timeout, list sessions by tag before creating again
4. Enterprise keys and personal access tokens must send `X-Org-Id` to the MCP server. Organisation-scoped keys resolve it automatically
5. Create scheduled work as an automation. POST to the schedules endpoint returns 403 for migrated organisations since 24 September 2026

### MiniMax Code

1. Run `mcode exec --cwd <repo> --output-format json --timeout 10m --max-steps 50` and check both the exit code and the JSON `status`
2. Keep `--permission full` and `off` for a container or throwaway workspace. The default `smart` fails when it would need a person
3. Set `MCODE_PROVIDER_API_KEY` and add a provider for BYOK. M Plan models need a browser sign-in with `mcode login --region global`
4. Set `MINIMAX_DATA_DIR` per CI runner. Keys and sessions live in `~/.minimax` by default
5. Pin a version. npm published 62 releases in nine weeks and the public source trails it

## Questions

### Which is better for AI agents, Devin or MiniMax Code?

MiniMax Code scores 67.5 (B) on agent readiness against Devin's 55.7 (C), and leads in 5 of 7 scored categories. Devin leads on security & auth and transparency & trust.

### Are Devin and MiniMax Code open source?

No open-source release is listed for Devin. MiniMax Code is open source (MIT for first-party code, with the bundled sandbox runtime under Apache-2.0. The desktop app's source isn't published).


## For agents

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

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