Job
Run several coding agents at once
Split one coding job across Claude Code, Codex and other agents, watch them from one screen or your phone, and get back pull requests you review before merging.
Quick answer
- 7 AI agents can run several coding agents at once: Parallax, Harness by Autonomous, Reason, Claude Code, Codex, Craft Agents, and 1 more below.
- 5 of them have prices we checked on the vendor's own page. Free plan: Parallax, Harness by Autonomous, Craft Agents.
- To get AI to do it: pick one, paste the example instructions below as one task, and check anything that goes to a customer before it sends.
Compare the agents with verified prices: best AI agent to run several coding agents at once
Agents that can do it
| Agent | What it does | What it costs | Free plan |
|---|---|---|---|
| Parallax | Runs Claude Code, Codex, Cursor and 40+ other coding agents side by side; its Captain splits one ask into tasks, steers agents that drift, reviews the work natively and returns pull requests, and moves work to your next subscription when one hits its limit | Free to start with $50 Conifer credit and 5 free reviews; after that use your own Claude/Codex subscriptions or Conifer per-model rates (conifer.build/models)Verified on the vendor's page, Oct 17, 2026 | Yes |
| Harness by Autonomous | One open-source command center for every coding agent on every machine: run Claude Code at work, Codex at home and Hermes in the cloud side by side, switch between them, and answer agents by voice from desktop, terminal or phone | App free; Harness Device $149; Harness Pro (desk screen) $299; you pay for the coding agents you connectVerified on the vendor's page, Oct 17, 2026 | Yes |
| Reason | Connect a GitHub repo, assign issues, and open evidence-backed PRs with recordings, logs and diffs | Price not confirmed | Not confirmed |
| Claude Code | Builds and fixes software from plain-English requests in terminal/IDE/web | $20/mo ($17/mo annual)Verified on the vendor's page, Oct 18, 2026 | No |
| Codex | Writes, tests and fixes code and opens pull requests in a cloud sandbox or terminal | Price not confirmed | Yes |
| Craft Agents | Open-source desktop agent interface that runs locally: bring Claude, GPT, Gemini or local models, connect any API, MCP server or local files, and let agents act across your tools with code diffs, data tables, diagrams and live previews | Free (open source, Apache-2.0); you pay for the AI model you connectVerified on the vendor's page, Oct 17, 2026 | Yes |
| Grok Bot | Runs on its own cloud computer: browses, handles email, files, routines and scheduled tasks while you're away | Premium $30/mo (Super $100/mo, Ultra $200/mo; Teams $30+/user/mo; Enterprise custom). Not in Free or Plus ($8)Verified on the vendor's page, Oct 18, 2026 | No |
How to get AI to run several coding agents at once: example instructions
Fill in the brackets, then paste it as one task.
Job: get one feature shipped by several coding agents working in parallel. Repo: [GitHub repo] The ask: [e.g. 'ship CSV export for billing, stop the webhook drops, tests for both'] Agents and subscriptions I have: [Claude Code (Pro/Max), Codex (ChatGPT plan), Cursor, Gemini CLI...] Where I review: [GitHub PRs / desktop app / phone] Setup (once): 1. Install one command center: Parallax (Mac, free to start) or Harness by Autonomous (free app; desktop, terminal and phone). 2. Sign in to each agent with your own subscription. In Parallax, add more than one Claude/Codex account so work moves on when one hits its limit. 3. Give every agent the same project rules file (AGENTS.md / CLAUDE.md): test command, branch naming, what never to touch. Each task: 1. Split the ask into separate pieces that don't edit the same files. One agent per piece, each on its own branch or worktree. 2. Each agent writes code and tests, runs the tests, and opens a pull request with a short summary. 3. Have a second agent (or Parallax's review) review each PR against the original ask, not just the diff. 4. Report back: PR links, test results, anything an agent skipped or got stuck on. Rules: agents open PRs only. Never merge, force-push, deploy or change secrets. If two agents need the same file, stop and ask me. If tests fail, say so plainly; don't mark it done. Cost and limits: Parallax is free to start ($50 Conifer credit + 5 free reviews), then your own subscriptions or Conifer per-model rates. Harness app is free (optional desk hardware $149/$299). Reason Network is free and open source. You still pay for each agent's plan (e.g. Claude Pro $20/mo). Prices checked 2026-10-17. Ready-made Grok Bot template: Lingxi's Engineer Bot boards the work, launches cloud agents on the repo you name, checks their pull requests every 30 minutes and only asks you to merge. It's in the official "From Grok Bot Team" collection, so you can import it from the Grok Bot Marketplace (x.ai/bot/marketplace/from-grok-bot-team), connect your tools and adjust it. Grok Bot needs Premium ($30/mo) or higher (checked 2026-10-18).
FAQ
- What is the best AI agent to run several coding agents at once?
- Hire the Bot lists 7 agents that can run several coding agents at once: Parallax, Harness by Autonomous, Reason, Claude Code, Codex, Craft Agents, and 1 more. We do not rank them — compare verified prices and setup steps.
- How much do AI agents that run several coding agents at once cost?
- Verified prices we checked: Parallax: Free to start with $50 Conifer credit and 5 free reviews; after that use your own Claude/Codex subscriptions or Conifer per-model rates (conifer.build/models); Harness by Autonomous: App free; Harness Device $149; Harness Pro (desk screen) $299; you pay for the coding agents you connect; Claude Code: $20/mo ($17/mo annual); Craft Agents: Free (open source, Apache-2.0); you pay for the AI model you connect; and 1 more. Always confirm on the vendor page before you buy.
- How do I get an AI agent to run several coding agents at once?
- Use the example instructions on this page: fill in the brackets, paste them as one task, and check anything that goes to a customer before it sends.
- Is there a free AI agent to run several coding agents at once?
- Yes — among agents with verified prices, a free plan is available on: Parallax, Harness by Autonomous, Craft Agents.
- What are the risks of using an AI agent to run several coding agents at once?
- Agents can invent facts, send the wrong message, or miss a detail. Check anything that goes to a customer, never invent prices or emails in your instructions, and require approval before send, pay or delete.
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