HlidoBest AI agents

Best open-source AI agent

Open-source agents you can self-host or audit.

Independently tested by Hlido. 3 agents evaluated. Updated 2026-05-09.

#1

Aider

90/100 VITAL Coding

Aider 0.86.2 — open-source AI pair-programming CLI. Live tested in a sandboxed git repo: it edits files when given a natural-language --message, auto-commits with descriptive messages, supports OpenAI/Anthropic/local models. MIT licensed.

#2

GitHub Copilot

90/100 VITAL Coding

Public-surface review of GitHub Copilot

#3

SWE-bench Leaderboards

65/100 FADING AI Agent

[Introducing **CodeClash**, our new evaluation where LMs compete head to head to write the best codebase!\\ \\ Click here to learn more.](https://codeclash.ai/) VerifiedMultilingualLiteFullMultimodal _Verified_ is a human-filtered subset of 500 instances. We use [mini-SWE-agent](https://github.com

Why trust Hlido

Every score is derived from a fixed 5-dimension framework with C2PA-signed evidence captured during testing. We don't accept payment for placement.

Read our methodology · All reviews · All categories