Aider vs Factory
A side-by-side comparison of capabilities, autonomy, integrations, and pricing to help you choose.
Short answer: choose Aider if you want open-source ai pair programming in your terminal, backed by git (Supervised agent, free); choose Factory if you want agent-native software development platform with autonomous coding droids (Supervised agent, subscription).
| Aider | Factory | |
|---|---|---|
| What it is | Open-source AI pair programming in your terminal, backed by Git | Agent-native software development platform with autonomous coding Droids |
| Type | agent | platform |
| Autonomy | Supervised agent | Supervised agent |
| Pricing | free · Free (open source; pay your own model costs) | subscription · $20/mo (Pro) |
| Best for | developers | developers, enterprise, mid-market |
| Deployment | self-hosted | saas, api, self-hosted, on-prem |
| Modalities | text, code | text, code, browser |
| Models | model-agnostic | model-agnostic, claude, gpt, gemini |
| Protocols | function-calling, rest-api | mcp, function-calling |
| Integrations | Git, GitHub, OpenAI, Anthropic, Google Gemini, DeepSeek | GitHub, GitLab, Jira, Linear, Slack, VS Code |
| Capabilities | 4 documented | 4 documented |
Aider
- +Fully open source (Apache-2.0) and free; you only pay your chosen model provider
- +Git-native: every AI change is a reviewable, revertible commit
- +Model-agnostic with a repo map that scales to larger codebases
- -Terminal-only with no GUI or IDE-native experience for those who want one
- -Runs locally and edits real files, so a human must review every change
Factory
- +Model-agnostic with no lock-in (Claude, GPT, Gemini per task)
- +Strong enterprise deployment story: on-prem, air-gapped, SSO, SCIM, audit logging, zero-data-retention
- +Whole-repo primitives plus headless CI/CD automation via Droid Exec
- -Autonomy is marketing-forward but supervised in practice; you review every modification before it touches the codebase
- -Efficiency metrics are company-reported with no public methodology
Which should you choose?
Aider is open-source ai pair programming in your terminal, backed by git, best for developers. Factory is agent-native software development platform with autonomous coding droids, best for developers, enterprise, mid-market. The right choice depends on the autonomy level you want, your existing integrations, and your budget, all compared above.