OB-1 OB-1
OB-1 is an open-source, terminal-based coding agent that automates software development by editing code, running test suites, and self-correcting until all checks pass. It features persistent project memory and a multi-agent routing system that works with both free, keyless models and premium frontier models.
The project continues to refine its multi-agent modes (such as Fusion best-of-N and AB-MCTS deep search) and expand its open-source CLI capabilities.
As of
- Automatic test-driven self-correction
- Persistent project memory and repository mapping
- Multi-agent reasoning with adaptive search
- Provider-neutral model router for free and paid APIs
- One-command undo and safe experimentation
Developers who want an autonomous coding agent that performs test-driven development, manages project context, and runs locally without vendor lock-in.
Users on Windows, as the current release primarily supports macOS and Linux environments.
Free tier is $0 forever with no trial or account required. Paid plans use prepaid credits ($1 per credit) with a strict hard cap to prevent overage charges.
A powerful, privacy-conscious, and highly transparent coding agent that excels at automated debugging and maintains excellent control over costs and context.
Is OB-1 free?
OB-1 is Freemium. Free tier is $0 forever with no trial or account required. Paid plans use prepaid credits ($1 per credit) with a strict hard cap to prevent overage charges. Check the official site for current plans.
What is OB-1 best for?
Developers who want an autonomous coding agent that performs test-driven development, manages project context, and runs locally without vendor lock-in.
Who makes OB-1?
OB-1 is developed by Overbrilliant. It is listed in the Terminal & CLI Agents category on ai.dosa.dev.
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