# AI2 Open Coding Agents

8 Hacker News commenters recommended AI2 Open Coding Agents and 2 criticized it, November 2025 to November 2026. It was recommended in 1 of 13 months.

**Verdict:** Recommended as an open coding agent with its training pipeline available and reproducible for about $400; critics say only part of the training data is open.

## Why people recommend it

- Open training pipeline and data (3 comments): "having the complete training pipeline and data accessible enables the kind of iterative improvements" ([source](https://news.ycombinator.com/item?id=46791231)) "The premise of truly open source models is really interesting" ([source](https://news.ycombinator.com/item?id=46785997)) "they open source everything" ([source](https://news.ycombinator.com/item?id=46785818))

## Alternatives hackers recommend

- [GitHub Copilot](https://hackerapproved.com/p/github-copilot.md): 571 recommend
- [oh-my-pi](https://hackerapproved.com/p/oh-my-pi.md): 104 recommend
- [Grok Build CLI](https://hackerapproved.com/p/grok-build.md): 66 recommend
- [DeepSeek Harness](https://hackerapproved.com/p/deepseek-harness.md): 63 recommend
- [Claude Code VS Code extension](https://hackerapproved.com/p/claude-code-vs-code-extension.md): 31 recommend

## Cite as

Hacker Approved, "AI2 Open Coding Agents", https://hackerapproved.com/p/ai2-open-coding-agents/ (counts from 1,795,640 Hacker News comments, November 2025 to November 2026).