AI coding · Head to head
Aider vs GitHub Copilot: which is better?
Short answer
Aider costs less in the first year ($0 vs $600). Pick Aider for open-source terminal pair programming; pick GitHub Copilot for IDE autocomplete and agents inside GitHub.
| Fact | Aider | GitHub Copilot | Edge |
|---|---|---|---|
| Best for | Open-source terminal pair programming | IDE autocomplete and agents inside GitHub | — |
| Free plan | Yes, open source, bring your own API key | Yes, limited chat and agent usage | Tie |
| Entry plan | — | Pro: $10 / seat / mo | — |
| Mid plan | — | Pro+: $39 / seat / mo | — |
| Top plan | — | Max: $100 / seat / mo | — |
| 1st year | $0 | $600 | Aider |
| Platforms | macOS, Linux, Windows | Web, Chrome extension, API, macOS, Windows, Linux | GitHub Copilot |
Edge = the better published number or limit; we do not test the tools hands-on.
Which has the better free plan, Aider or GitHub Copilot?
Neither stands out: Aider: Yes, open source, bring your own API key; GitHub Copilot: Yes, limited chat and agent usage.
Should you pick Aider or GitHub Copilot?
Pick Aider if
- you want open-source terminal pair programming
- the free plan is enough (open source, bring your own API key)
Pick GitHub Copilot if
- you want IDE autocomplete and agents inside GitHub
- the free plan is enough (limited chat and agent usage)
Sources
| Vendor page | URL | Checked |
|---|---|---|
| Aider pricing | aider.chat/ | 27 Oct 2026 |
| GitHub Copilot pricing | github.com/features/copilot/plans | 27 Oct 2026 |
Prices in USD as published by each vendor, billed yearly where offered. How we compare