Can I open-source GitLab Duo?
KINDA · partial or early alternativesKinda. OpenCode and OpenHands cover the core of GitLab Duo, but they're early or partial — expect gaps like frontier coding model quality and large-context infrastructure.
GitLab Duo: Developers pay for reliable context assembly, fast models, editor integration, evaluations, and safe handling of complex repositories.
xfrontier coding model quality
xlarge-context infrastructure
xIDE-wide polish and latency
xenterprise policy, telemetry, and support
These projects already replace it, free.
OOpenCodeTerminal-native open-source coding agent with a polished TUI and 75+ model providersopen source↗OOpenHandsAutonomous AI software engineer that writes code, runs commands, and browses the web in a sandboxopen source↗CClineAutonomous coding agent in VS Code that plans, edits files, and runs terminal commands with your own API keysopen source↗What each one is, in full: OpenCode · OpenHands · Cline
no votes, no pay-to-list · just what's real
GitLab Duo pricing
| plan | monthly | annual (per mo) | what you get |
|---|---|---|---|
| duo core | $0/user | $0/user | Included only with paid GitLab Premium or Ultimate; no separate paid-seat charge. |
| duo pro | $19/user | — | Per assigned user; code assistance features do not consume GitLab Agent Platform credits. |
| duo enterprise | $39/user | — | Per assigned user; enterprise AI features and controls. |
| agent platform committed credits | custom | — | Custom monthly credit commitment within an annual term; purchased pool is shared across the namespace. |
| agent platform on demand | custom | — | $1 per GitLab credit after committed/included credits are exhausted. |
free tierno standalone free tier; GitLab Free includes 0 AI credits, while Duo Core is $0 only as an add-on to paid Premium or Ultimate
billingDuo seat add-ons are monthly-priced; Agent Platform commitments are monthly credit pools sold on annual terms
hidden costsDuo requires the underlying GitLab Premium/Ultimate subscription; committed credits reset monthly with no rollover, and on-demand overage is $1/credit.
price historyDuo Pro per user per month: $9 → $19 (2024-02)
verified 2026-08-14 · source ↗
Can I open-source GitLab Duo?
Kinda. OpenCode covers the core of GitLab Duo, but there are real gaps: frontier coding model quality, large-context infrastructure. Read the honest list above before committing.
How much does GitLab Duo cost?
GitLab Duo costs about $19/month (Duo Pro, checked 2026-07-31), which is $228 per year.
What do I lose by replacing GitLab Duo?
Honestly: frontier coding model quality; large-context infrastructure; IDE-wide polish and latency; enterprise policy, telemetry, and support. If any of those are load-bearing for you, keep paying.
Is there an open-source alternative to GitLab Duo?
Yes: OpenCode (Terminal-native open-source coding agent with a polished TUI and 75+ model providers) OpenHands (Autonomous AI software engineer that writes code, runs commands, and browses the web in a sandbox) Cline (Autonomous coding agent in VS Code that plans, edits files, and runs terminal commands with your own API keys)