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Aider

Aider-AI (open source) · cli · licence: Apache-2.0 · homepage · pricing · changelog

Open source yes BYOK yes Sub-agents no MCP none documented
Headless Cap strictness BYOK, no vendor cap ~$20 plan cap_risk n/a

Plans and limits

Plan Price /mo Limits Source
Free (BYOK) $0 Free and open source; you pay your model provider source 2026-10-20

Models

Any provider via LiteLLM

Changelog