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OB-1 vs aider
aider is a proven terminal pair programmer with excellent repo-map and git workflows. OB-1 is for longer-running projects that need memory, multi-agent routing, and a free no-key first-run path.
Choose OB-1 when you want a stateful agent that can remember project facts and escalate harder work to a verified best-of-N pass only when its own checks prove the single-agent attempt failed.
Choose aider when you want a lightweight, mature pair-programming loop with strong git ergonomics and broad model support.
| Question | OB-1 | aider |
|---|---|---|
| Workflow shape | Autonomous agent loop with tool use, verification, and memory | Pair-programming loop in the terminal |
| No-key start | Yes, built-in free cloud models | Typically bring a model key, local endpoint, or web-chat workflow |
| Repository context | Repo map plus durable memory | Repo map and git-aware context |
| Memory | Inspectable graph, facts, reflections, exports | Repo/session context rather than OB-1-style graph memory |
| Multi-agent | Fusion best-of-N, verified escalation, refute-review, subagents | Architect/editor and model workflows |
| Git behavior | Checkpoints and rewind through shadow git | Automatic git commits and familiar git undo |
Practical read
- aider's maturity is real; the comparison should not pretend OB-1 is a drop-in replacement for every aider workflow.
- OB-1's launch wedge is free no-key onboarding plus persistent memory, not just another terminal editing loop.
- Both projects benefit from provider neutrality and local model support.