Aider
Paul Gauthier (Aider-AI) class C live
Free Apache-2.0 terminal CLI for AI pair programming; BYO multi-model, git-integrated, assist-oriented rather than fully autonomous.
Layer 1 — factual axes
| Pricing | free (open source; pay chosen LLM API) | official | source ↗ 2026-07-04 |
|---|---|---|---|
| Model | BYO / multi-model (Claude, GPT, DeepSeek, Gemini, local) | official | source ↗ 2026-07-04 |
| Agentic | assist only | official | source ↗ 2026-07-04 |
| Open source | open · Apache-2.0 | official | source ↗ 2026-07-04 |
| Form | CLI | official | source ↗ 2026-07-04 |
| Free tier | open self-host | official | source ↗ 2026-07-04 |
Layer 2 — output quality
No independent measure yet. We publish a quality figure only when a named external benchmark ranks this model — we don’t invent one.
Free Apache-2.0 terminal CLI for AI pair programming; BYO multi-model, git-integrated, assist-oriented rather than fully autonomous.