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Blackbox CLI

A terminal coding agent with planning and parallel agent execution.

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Details checkedReviewed 2026-09-29

Decide at a glance

Best for

Developers who want a coding agent in the terminal or CI.

Requires setup

Pricing, with context

The CLI is open source, but agent execution and model use may be metered. Confirm the applicable account or enterprise rate before running substantial jobs.

Official pricing ↗

Pricing review pending

Keep in mind

Model and agent usage may be metered separately

Check the evidence →
Blackbox CLI website preview
Official website screenshot ↗2026-09-29

Is it a fit?

Best for

Developers who want a coding agent in the terminal or CI.

Think twice if

A no-setup browser app with fixed usage costs.

What it can help you do

Fix bugs in an existing project

Blackbox CLI plans code changes and can dispatch several agents on separate branches.

Prepare: A repository and a coding goal
Get: Plans, code changes and reviewable diffs
Your part: Approve plans, inspect changes and run tests

Fix a website →

Where you still take over

  • Approve plans, inspect changes and run tests

Limits to know

  • Model and agent usage may be metered separately
  • A local CLI and project access are required

From input to output

What you provide

  • A repository and a coding goal

What you get

  • Plans, code changes and reviewable diffs

How to start

Have these ready

  • Node.js 20+ and a supported computer
  • Access to a Blackbox account or plan
  1. Install the Blackbox CLI.
  2. Open a repository and describe a bounded task.
  3. Review the plan, diffs and test results.

Pricing, with context

The CLI is open source, but agent execution and model use may be metered. Confirm the applicable account or enterprise rate before running substantial jobs.

Official pricing ↗

Pricing review pending

Published prices are a snapshot. Confirm billing cycle, taxes and current allowances with the provider.

Evidence & sources

This is an official-source review, not a hands-on test of Blackbox CLI. Vendor descriptions and demos are evidence of advertised features, not independent proof of results. “Best for” and review guidance are editorial judgments based on those sources.

Frequently asked questions

What does Blackbox CLI do?

A terminal coding agent with planning and parallel agent execution.

How much does Blackbox CLI cost?

The CLI is open source, but agent execution and model use may be metered. Confirm the applicable account or enterprise rate before running substantial jobs.

What should I check before using Blackbox CLI?

Model and agent usage may be metered separately

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Compare their inputs, outputs and setup requirements before choosing.