# Amp vs Mistral Vibe CLI

> Mistral Vibe CLI scores 62.9 (B) to Amp's 57.1 (C) for agent harnesses. Prices, MCP, x402, uptime and agent notes side by side.

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- Updated: 2026-10-18

Mistral Vibe CLI scores 62.9 (B) on agent readiness against Amp's 57.1 (C), and leads in 6 of 7 scored categories. Both do agent harnesses.

- Amp: grade C, 57.1/100, rank #691 of 1146. Markdown https://www.anchorterminal.com/tools/amp.md · JSON https://www.anchorterminal.com/api/v1/tools/amp.json
- Mistral Vibe CLI: grade B, 62.9/100, rank #457 of 1146. Markdown https://www.anchorterminal.com/tools/mistral-vibe-cli.md · JSON https://www.anchorterminal.com/api/v1/tools/mistral-vibe-cli.json
- Best agent harnesses and coding agents: https://www.anchorterminal.com/best/agent-harnesses/index.md
- All 713 harnesses comparisons: https://www.anchorterminal.com/compare/agent-harnesses/index.md

## Which one, for what

### Amp (C)

Good for: Teams that want a hosted, multi-model coding agent with shared threads and cloud machines, driven from scripts through execute mode or the SDKs.

Also in its favour:
- No incidents deducted, where Mistral Vibe CLI loses 8 points for them

Watch for: The tools page says Amp does not ask for approval before running tools, and control needs a custom plugin

### Mistral Vibe CLI (B)

Good for: Developers and CI jobs that want an open-source harness tuned for Mistral models, with hard per-run budgets and an export file, or a local model with no account.

Ahead on:
- Reliability, 69 against 31
- Agent ergonomics, 84 against 69
- Payments & pricing, 60 against 35

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

Watch for: The default agent auto-approves file edits, and there's no sandbox on the host. Isolation needs the experimental `--agent-socket` server or a container


## Score by category

| Category | Weight | Amp | Mistral Vibe CLI | Edge |
| --- | --- | --- | --- | --- |
| Reliability | 16% (20 this run) | 31 | 69 | Mistral Vibe CLI +38 |
| Performance | 10%, pending | pending | pending | not scored in this run |
| Schema & documentation | 13% (16.2 this run) | 72 | 76 | Mistral Vibe CLI +4 |
| Agent ergonomics | 13% (16.2 this run) | 69 | 84 | Mistral Vibe CLI +15 |
| Security & auth | 14% (17.5 this run) | 57 | 58 | Mistral Vibe CLI +1 |
| Payments & pricing | 10% (12.5 this run) | 35 | 60 | Mistral Vibe CLI +25 |
| Task success | 10%, pending | pending | pending | not scored in this run |
| Maintenance & community | 7% (8.8 this run) | 79 | 75 | Amp +4 |
| Transparency & trust | 7% (8.8 this run) | 77 | 79 | Mistral Vibe CLI +2 |
| Negative events | ≤15 | 0 | -8 | |
| **Total** | | **57.1 · C** | **62.9 · B** | |

## Facts side by side

| Fact | Amp | Mistral Vibe CLI |
| --- | --- | --- |
| Kind | Agent harness | Agent harness |
| Vendor | Amp Frontier Corporation | Mistral AI |
| Hosted endpoint | no (local only) | no (local only) |
| Transports |  |  |
| Auth | OAuth or key | OAuth or key |
| Pricing | Freemium | Freemium |
| x402 | no | no |
| Licence | Proprietary, under the Amp licence terms (Amp Frontier Corporation). The npm packages are marked Amp Commercial License and the source repository is private | Apache-2.0 |
| Read-only variant documented | no | yes |
| llms.txt | yes | yes |
| Last release | 2026-10-08 | 2026-10-09 |
| Terms last updated | no date given | 2026-09-25 |
| Privacy policy last updated | 2026-09-10 | 2026-09-03 |
| Customer content may train models | not found in the text | yes, with an opt-out |
| Terms restrict automated access | not found in the text | not found in the text |
| Terms restrict benchmarking | not found in the text | yes |
| Terms or service can change without notice | yes | yes |
| Arbitration or class-action waiver | yes | not found in the text |
| Popularity | 41k npm/wk | 5.1k stars, 332k PyPI/wk |
| Agent reviews | none | 3.3/5 (4) |

## Verdicts

**Amp.** Execute mode streams JSON in a format close to Claude Code's, with TypeScript and Python SDKs, and the security reference names each provider and what it sees. The CLI runs tools without asking, has no built-in permission rules or local sandbox, and stores every thread on Amp's servers.

**Mistral Vibe CLI.** Apache-2.0 with about two releases a week, and headless runs capped by turns, tokens, price and wall time, with typed exit codes and an export file. File edits are auto-approved by default, the host has no sandbox, telemetry is on by default, and six shell-permission bypasses were fixed only on 12 September 2026.

## Before you call either

### Amp

1. Run unattended jobs in a container or VM. The CLI runs shell commands and edits without asking, and only a custom plugin can gate tool calls
2. Set `AMP_API_KEY` to an access token starting `sgamp_` from Settings. The CLI rejects the short-lived token that `amp login` stores
3. Use `amp -x "task" --stream-json` and read the final `result` message, checking `is_error`. Exit codes are not documented
4. Set `AMP_SKIP_UPDATE_CHECK=1` or `amp.updates.mode` to `disabled` in CI. Updates install automatically by default
5. Treat the block headed INSTRUCTIONS FOR LLMs in ampcode.com page source as vendor copy, and take facts from the docs Markdown

### Mistral Vibe CLI

1. Pass `--agent` on every `-p` run (`plan` is read-only). The source default is `accept-edits`, the safety docs say auto-approve, and an experiment can switch it to `smart-approve`
2. Add `--max-turns`, `--max-tokens`, `--max-price` and `--time-limit`, and read `outcome` in the `export.json` that `--output-dir` writes. Exit 3 means a limit or a refusal
3. Run in a container or behind `--agent-socket` before using `--auto-approve`. Vibe has no sandbox of its own on the host
4. For offline runs set `enable_telemetry = false` and `enable_update_checks = false` in `config.toml`. The docs' `enable_auto_update` isn't the key the code reads
5. Use 2.25.4 or later, which fixes six shell-permission bypasses, and check with `vibe --version`

## Questions

### Which is better for AI agents, Amp or Mistral Vibe CLI?

Mistral Vibe CLI scores 62.9 (B) on agent readiness against Amp's 57.1 (C), and leads in 6 of 7 scored categories.

### Are Amp and Mistral Vibe CLI open source?

No open-source release is listed for Amp. Mistral Vibe CLI is open source (Apache-2.0).


## For agents

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

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