13 AI coding agents with an API. 8 have a free plan. 4 are still in alpha or beta. Newest check: 15 Nov 2026.
59 of 99 agents were checked against the vendor's own page in the last 30 days.
| Agent | Where it runs | Price | Maturity | Checked |
|---|---|---|---|---|
| LetterCoding agent that turns site and market signals into pull requests | Cloud · API | Per token | Beta | 15 Nov |
| Muse CodeMeta's multi-agent CLI that plans, codes, and validates changes across repos. | Your machine · API | $5/mo | Beta | 15 Nov |
| OpenAI CodexClones your repo, writes the code, opens the pull request. No keyboard required. | Cloud · Your machine · API | Free plan | Enterprise | 6 Nov |
| OpenHandsOpen-source AI agent that plans, codes, tests, and ships pull requests | Cloud · Your machine · API | Free plan | Available | 3 Nov |
| PromptlessAI teammate that drafts doc updates as pull requests when you ship. | Cloud · Your machine · API | $500/mo | Available | 24 Oct |
| QualGentAutonomous QA agent that tests iOS and Android apps like a human. | Cloud · API | -- | Available | 24 Oct |
| OpenCodeOpen source coding agent that works with any model, in terminal, desktop or IDE. | Your machine · API | Free plan | Available | 18 Oct |
| Antigravity CLIGoogle's terminal agent for multi-file coding, subagents and browser checks. | Cloud · Your machine · API | Free plan | Available | 27 Sep |
| ClineOpen source AI coding agent that shows every edit before it runs. | Your machine · API | Free plan | Available | 27 Sep |
| Gemini CLIGoogle's open-source terminal agent, retired for individuals on June 18, 2026. | Your machine · API | Usage-based | Enterprise | 27 Sep |
| DextoOpen-source agent framework with a free coding agent and 50+ swappable LLMs. | Cloud · Your machine · API | Free | Beta | 1 Sep |
| MutAgent9 AI agents that build, test, and fix your AI in production. | Cloud · Your machine · API | Free plan | Beta | 26 Aug |
| JulesGoogle's async coding agent that clones your repo and opens a pull request while you work on something else. | Cloud · API | Free plan | Available | 25 Oct |
A person checks every record against the vendor's own page. Rankings cannot be bought. How Hokai checks records. Not sure what you need? Describe the job to Smart Match and get three picks with reasons.