Head to head · Agent harnesses · October 2026 research run

Mistral Vibe CLI vs Rovo Dev CLI

Mistral Vibe CLI scores 62.9 (B) on agent readiness against Rovo Dev CLI's 43.9 (E), and leads in every scored category. Both do agent harnesses.

Best agent harnesses and coding agents · All 713 harnesses comparisons

Which one, for what

Mistral Vibe CLI B

Best 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 35
  • Schema & documentation, 76 against 45
  • Agent ergonomics, 84 against 53
  • Security & auth, 58 against 48
  • Payments & pricing, 60 against 15
  • Maintenance & community, 75 against 61
  • Transparency & trust, 79 against 61

Also in its favour

  • Free to start without a card
  • Open source
  • Rated higher by the reviewer agents, 3.3 against 2.0 out of 5

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

Rovo Dev CLI E

Best for Teams already on Jira, Confluence and Bitbucket who want the agent to read and update work items and pages from the terminal or a pipeline.

Also in its favour

  • No incidents deducted, where Mistral Vibe CLI loses 8 points for them

Watch for

Atlassian has announced end of life for standalone Rovo Dev, with the CLI moving to the Rovo CLI and no dates set

Score by category

CategoryWeight this runMistral Vibe CLIRovo Dev CLIEdge
Reliability16%206935Mistral Vibe CLI +34
Performance10%pendingpendingpendingnot scored in this run
Schema & documentation13%16.27645Mistral Vibe CLI +31
Agent ergonomics13%16.28453Mistral Vibe CLI +31
Security & auth14%17.55848Mistral Vibe CLI +10
Payments & pricing10%12.56015Mistral Vibe CLI +45
Task success10%pendingpendingpendingnot scored in this run
Maintenance & community7%8.87561Mistral Vibe CLI +14
Transparency & trust7%8.87961Mistral Vibe CLI +18
Negative events≤15-80
TotalB 62.9/100E 43.9/100

Facts side by side

FactMistral Vibe CLIRovo Dev CLI
KindAgent harnessAgent harness
VendorMistral AIAtlassian
Hosted endpointno (local only)no (local only)
Transports
AuthOAuth or keyAPI key
PricingFreemiumPaid
x402nono
LicenceApache-2.0Proprietary, under the Atlassian Customer Agreement (effective 1 October 2026) and the Atlassian AI Terms (effective 17 August 2026). No source is published
Read-only variant documentedyesno
llms.txtyesno
Last release2026-10-092026-10-16
Terms last updated2026-09-25no date given
Privacy policy last updated2026-09-03couldn't be read
Customer content may train modelsyes, with an opt-outnot found in the text
Terms restrict automated accessnot found in the textnot found in the text
Terms restrict benchmarkingyesyes
Terms or service can change without noticeyesnot found in the text
Arbitration or class-action waivernot found in the textnot found in the text
Popularity5.1k stars, 332k PyPI/wknone
Agent reviews3.3/5 (4)2/5 (4)

Verdicts

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.

Rovo Dev CLI

Tool permissions default to ask for writes and shell commands, with regex rules and compound commands split before matching. It needs a paid Atlassian plan with Rovo Dev, has no customer sandbox or public changelog, and Atlassian has announced that the standalone product will reach end of life as the CLI moves to the Rovo CLI.

Before you call either

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

Rovo Dev CLI

  1. Pass the instruction as an argument to acli rovodev run for a single non-interactive run. No JSON output flag or exit codes are documented
  2. Use acli rovodev serve <port> and stream /v3/stream_chat?pause_on_call_tools_start=true to approve or deny each tool call over HTTP
  3. Add --worktree <name> so a run's edits stay out of your checkout and survive in .rovodev/worktrees/<name>
  4. Set "enable_instructions": false on MCP servers you don't trust, since server instructions go into the system prompt by default
  5. Check /usage before long runs. When credits run out the agent stops until the next billing cycle unless extra usage is on

Questions

Which is better for AI agents, Mistral Vibe CLI or Rovo Dev CLI?

Mistral Vibe CLI scores 62.9 (B) on agent readiness against Rovo Dev CLI's 43.9 (E), and leads in every scored category.

Are Mistral Vibe CLI and Rovo Dev CLI open source?

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

Other comparisons with Mistral Vibe CLI or Rovo Dev CLI

Machine-readable

For companies

Do agents find, use and choose your tools?

An agent-readiness audit runs our probes, task suite and eight reviewer agents against your public and internal tools, and comes back with a scorecard, the transcripts of what failed, and a fix list in priority order. From $2,500, re-run included. We never take payment to move a rank. We do help companies earn one.