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Conversations in AI Coding Agent vs Tabby

Which one should you try?

Conversations in AI Coding Agent

Free

Best for Teams validating AI coding agent outputs

Tabby

Free

Best for Teams requiring on-premises deployment and data sovereignty

Pricing, capabilities and platforms side by side. Prices are as of the "Pricing checked" date in the table.

Conversations in AI Coding Agent

Conversations in AI Coding Agent

Orbit is an MIT-licensed, self-hosted harness that wraps a coding agent run in a bounded loop: it selects a task from a dependency-ordered backlog, hands off to whatever agent you plug in, runs tests and lint as a hard gate, and writes structured JSON artifacts that record exactly what happened. Every closed orbit leaves four files — agent output, rubric scoring, an accept-or-iterate recommendation, and a human-readable progress log. The demo runs without an API key, which means you can verify the mechanics before committing any credentials. The harness is agent-neutral by design; the vendor page cites Claude, Codex, and Cursor as examples. Where it shows its seams: Orbit is intentionally small, so teams needing a hosted dashboard, team-level access controls, or CI/CD pipeline integration will be writing that glue themselves.

Tabby

Tabby

Open-source, self-hosted AI coding assistant with code completion, chat, and agentic automation.

AttributeConversations in AI Coding AgentTabby
PricingFreeFree
Price—Community free (up to 5 users); Team $19/user/mo (up to 50 users); Enterprise custom
Pricing checkedNot checked yetOct 19, 2026
Free trialNot statedNot stated
Open sourceYesYes
Has APINoYes
Self-hosted optionYesYes
PlatformsCross-platform (Python)Linux, macOS, Windows (via Docker); Cloud IDEs; AWS, GCP, Azure
Languages—All (language-agnostic; supports any language supported by underlying LLM)
Released—2023
Pros
  • Dependency-aware backlog selection keeps each agent run scoped to one task at a time, so an agent cannot silently advance to dependent work before the current task passes validation.
  • Validation gates — tests, lint, and type checks — must pass before an orbit closes, which means a task that looks complete but breaks the build cannot be marked done without explicit override.
  • Structured artifact output (four consistent JSON and Markdown files per run) means comparing two different coding agents produces side-by-side evidence rather than impressions, so adapter selection becomes a reviewable decision.
  • Agent-neutral adapter contract supports Claude, Codex, Cursor, or any JSON-speaking CLI, so swapping agents when one underperforms does not require restructuring the harness.
  • MIT licensed with a public repository and a no-API-key demo, so teams can verify the full harness loop before committing credentials or infrastructure.
  • Fully open-source and self-hosted with no vendor lock-in
  • No external databases or cloud services required
  • Agentic multi-step task automation with Pochi agent
  • Support for multiple popular IDEs and code editors
  • End-to-end stack optimization for fast completions under 1 second
Cons
  • No hosted dashboard or web UI exists — all artifact review happens by reading JSON and Markdown files directly, which becomes friction at the point when a non-engineering stakeholder needs to sign off on agent work at any meaningful volume.
  • CI/CD pipeline integration is not provided out of the box; teams that want Orbit's validation gates to block a merge must write the pipeline glue themselves, adding a maintenance surface that grows with each new workflow.
  • The project is explicitly described as 'intentionally small,' meaning teams that need role-based access controls, audit log retention policies, or enterprise compliance features will find none of that here — and will switch to a more opinionated platform rather than build it on top of Orbit.
  • Requires infrastructure management and GPU resources for optimal performance
  • Agent (Pochi) is in private preview, not fully released to general availability
  • Steeper setup complexity compared to cloud-based alternatives

Made up your mind?

Conversations in AI Coding Agent

Free

Best for Teams validating AI coding agent outputs

Tabby

Free

Best for Teams requiring on-premises deployment and data sovereignty

Specs come from each tool's own site and docs (how we test). AIDiveForge is editorially independent.