Open-Source AI · Coding assistant

Plandex vs Sourcegraph Cody

Plandex vs Sourcegraph Cody compared for 2026 — features, license, ease of use, performance and which one to choose. Plan-first agent for large codebases vs Codebase-aware AI assistant.

Updated regularly · curated by OpenSourceAI.tech

Choose Plandex for developers tackling large multi-file changes. Choose Sourcegraph Cody for large codebases where context matters.

Plandex vs Sourcegraph Cody at a glance

SpecPlandexSourcegraph Cody
CategoryCoding assistantCoding assistant
TypeTerminal coding agentIDE assistant
LicenseMITApache-2.0
Runs locallyCloud-optionalNo
Primary languageGoTypeScript
Ease of useIntermediateBeginner
Best fordevelopers tackling large multi-file changeslarge codebases where context matters
GitHub stars15.5k

How Plandex and Sourcegraph Cody score

🏆 Overall edge: Sourcegraph Cody — 4.5 vs 3.7 / 5
CriterionPlandexSourcegraph Cody
Popularity3.5n/a
Maintenance3.0n/a
Ease of use3.55.0
Privacy3.53.5
License freedom5.05.0

Scores are computed automatically from public signals — GitHub stars (popularity), recent commit activity (maintenance), license type (freedom), local-first design (privacy) and onboarding complexity (ease of use). Indicative, not a verdict.

What each one is

Plandex

Terminal coding agent · MIT

Plandex is a terminal-based AI coding agent designed for large tasks and real codebases, with a plan-first workflow, diff review and cumulative context management.

  • Plan-first workflow with reviewable diffs
  • Handles very large contexts across files
  • Terminal-native with git-friendly output
See the Plandex page →

Sourcegraph Cody

IDE assistant · Apache-2.0

Cody answers questions and writes code with full context of your repository, using code search to ground its answers in your actual codebase.

  • Grounds answers in your real codebase
  • Works across many IDEs
  • Strong code search backing
Visit Sourcegraph Cody →

Key differences

Plandex is terminal coding agent, while Sourcegraph Cody is iDE assistant. Their licenses differ (MIT vs Apache-2.0), which matters if you ship a commercial product. Plandex leans more intermediate-friendly, whereas Sourcegraph Cody is more suited to beginner users. They also differ in how they run (Cloud-optional vs No). In short, Plandex fits developers tackling large multi-file changes, and Sourcegraph Cody fits large codebases where context matters.

Which should you choose?

Choose Plandex for developers tackling large multi-file changes. Choose Sourcegraph Cody for large codebases where context matters.

There is rarely one winner — many setups use both. The right pick depends on your hardware, your team's skills, and whether you value simplicity or control.

Frequently asked questions

Is Plandex or Sourcegraph Cody easier to use?

Sourcegraph Cody is generally the easier of the two to get started with, while Plandex rewards more setup with more control.

Are Plandex and Sourcegraph Cody free?

Plandex is free and open source (MIT), and Sourcegraph Cody is free and open source (Apache-2.0). Neither charges for the core software.

Can I run Plandex and Sourcegraph Cody locally?

Plandex: cloud-optional · Sourcegraph Cody: no. Both can be used without sending your data to a third-party cloud where their setup allows.

Plandex vs Sourcegraph Cody — which should I pick in 2026?

Choose Plandex for developers tackling large multi-file changes. Choose Sourcegraph Cody for large codebases where context matters.

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