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Best AI agent to 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. Here are 5 agents that can do it, with prices we checked on each vendor's own page.
Quick answer
- 5 agents compared, all with verified prices.
- Free plan available: Parallax, Harness by Autonomous, Craft Agents.
- We don't rank them. Pick by price, where it runs and the setup steps on each agent's page.
| Agent | What it does | Price (verified) | Free plan | Works on |
|---|---|---|---|---|
| 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)checked Oct 17, 2026 | Yes | Mac app; works with Claude Code, Codex, Cursor, Gemini CLI, OpenCode, Amp, pi and your own subscriptions |
| 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 connectchecked Oct 17, 2026 | Yes | Desktop app, terminal (hn), iOS, Android; optional Harness Device and Harness Pro desk hardware |
| Claude Code | Builds and fixes software from plain-English requests in terminal/IDE/web | $20/mo ($17/mo annual)checked Oct 18, 2026 | No | CLI, IDE, web |
| 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 connectchecked Oct 17, 2026 | Yes | Desktop (Mac, Windows, Linux); any AI provider or local models; MCP and APIs |
| 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)checked Oct 18, 2026 | No | Web, iOS, Android, desktop |
Also able to do this, but we haven't confirmed the price yet: Reason, Codex.
FAQ
- What is the best AI agent to run several coding agents at once?
- We compare 5 agents with verified prices that can run several coding agents at once. We do not rank a single winner — pick by price, free plan and where it runs.
- Which AI agents to run several coding agents at once have verified prices?
- 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; Grok Bot: Premium $30/mo (Super $100/mo, Ultra $200/mo; Teams $30+/user/mo; Enterprise custom). Not in Free or Plus ($8).
- Is there a free plan among the best AI agents to run several coding agents at once?
- Yes: Parallax, Harness by Autonomous, Craft Agents.
See the full job page, with example instructions
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