Best free Coding Agents (CLI & Cloud) for vibe coders

Summary

8 of 10 tracked Coding Agents (CLI & Cloud) tools have a free plan. None of the free options have been hands-on tested yet, so no winner is declared.

Free-tier limits are copied from each tool's pricing page on the date shown. "Free" means a $0 plan exists, not that it fits every project. Last updated:

Tools with a free plan

ToolFree tier (as published)Agent scoreChecked
AiderYes: free tool, BYO API key or local modelsNot yet tested2026-10-16
AmpYes (Hobby): all features, local runners, BYOK; ad-supported Amp Free discontinuedNot yet tested2026-10-16
ClineYes: free for individuals, pay inference onlyNot yet tested2026-10-16
DevinYes: light agent quotaNot yet tested2026-10-16
JulesYes: 15 tasks/24h, 3 concurrentNot yet tested2026-10-16
OpenAI CodexYes: limited Codex on ChatGPT Free and GoNot yet tested2026-10-16
OpenCodeYes: open-source agent free with own keys; some free Zen modelsNot yet tested2026-10-16
Roomote (formerly Roo Code)Yes: self-hosted free up to 10 users; Cloud 7-day trialNot yet tested2026-10-16

No permanent free plan

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