AI Tools

5 Free & Open Source Alternatives to GitHub Copilot (2026)

Discover the best free and open-source alternatives to GitHub Copilot for AI-powered code completion in your editor in 2026.

Quick Comparison

Tool Pricing Description Top Pros Top Cons Link
A Amazon Q Developer
Free

Free for individuals with an AWS Builder ID (no usage cap); Professional tier at $19/month for teams and enterprise features.

Amazon's AI coding assistant built into VS Code, JetBrains, and other IDEs, free for individual developers with an AWS Builder ID.
  • Free for individual developers with no usage cap and no credit card required
  • Supports VS Code, JetBrains, Visual Studio, and more IDEs out of the box
  • Requires signing up for a free AWS Builder ID to access
  • Not open source; Amazon controls the model and the service roadmap
Cursor
Free

Free tier with limited completions per month; Pro at $20/month for unlimited usage and access to faster models.

A VS Code fork with AI code generation, multi-file edits, and in-editor chat built directly into the interface.
  • Familiar VS Code interface with zero learning curve for existing VS Code users
  • Multi-file context awareness enables complex refactors across the entire codebase
  • Free tier has monthly completion limits that power users exhaust quickly
  • Not open source; the editor itself is a proprietary fork of VS Code
S Sourcegraph Cody
Free

Free tier with a Sourcegraph.com account; Pro at $9/month for stronger models and higher rate limits.

An AI coding assistant by Sourcegraph with deep codebase context, available as an IDE extension for VS Code and JetBrains.
  • Free tier includes access to multiple models including Claude and GPT-4o
  • Deep codebase understanding via Sourcegraph's code search and indexing integration
  • Not open source for the hosted service; self-hosted Enterprise setup is complex
  • Free tier rate limits are stricter than some competing tools
C Continue
Free & Open Source An open-source AI coding assistant for VS Code and JetBrains that connects to any LLM via your own API key or a local model.
  • Fully open source under Apache 2.0 — inspect, modify, and self-host freely
  • Works with any LLM including local models via Ollama for complete privacy
  • Requires an API key or a local LLM setup — no out-of-the-box free model access
  • More setup involved than cloud-first alternatives like Copilot or Cursor
T Tabby
Free & Open Source

Self-hosting is entirely free and open source; Tabby Cloud offers a free tier and paid plans for teams.

A self-hosted, open-source AI coding assistant with IDE plugins for VS Code and JetBrains, plus an optional Tabby Cloud hosted tier.
  • Fully self-hostable — your code never leaves your own infrastructure
  • Apache 2.0 licence — fully open for inspection, modification, and contribution
  • Self-hosting requires a server with a GPU for best completion performance
  • Plugin ecosystem and UI polish lag behind commercial alternatives like Copilot

Detailed Reviews

A

Amazon Q Developer

Free

Free for individuals with an AWS Builder ID (no usage cap); Professional tier at $19/month for teams and enterprise features.

Amazon's AI coding assistant built into VS Code, JetBrains, and other IDEs, free for individual developers with an AWS Builder ID.

Pros

  • Free for individual developers with no usage cap and no credit card required
  • Supports VS Code, JetBrains, Visual Studio, and more IDEs out of the box

Cons

  • Requires signing up for a free AWS Builder ID to access
  • Not open source; Amazon controls the model and the service roadmap

Cursor

Free

Free tier with limited completions per month; Pro at $20/month for unlimited usage and access to faster models.

A VS Code fork with AI code generation, multi-file edits, and in-editor chat built directly into the interface.

Pros

  • Familiar VS Code interface with zero learning curve for existing VS Code users
  • Multi-file context awareness enables complex refactors across the entire codebase

Cons

  • Free tier has monthly completion limits that power users exhaust quickly
  • Not open source; the editor itself is a proprietary fork of VS Code
S

Sourcegraph Cody

Free

Free tier with a Sourcegraph.com account; Pro at $9/month for stronger models and higher rate limits.

An AI coding assistant by Sourcegraph with deep codebase context, available as an IDE extension for VS Code and JetBrains.

Pros

  • Free tier includes access to multiple models including Claude and GPT-4o
  • Deep codebase understanding via Sourcegraph's code search and indexing integration

Cons

  • Not open source for the hosted service; self-hosted Enterprise setup is complex
  • Free tier rate limits are stricter than some competing tools
C

Continue

Free & Open Source

An open-source AI coding assistant for VS Code and JetBrains that connects to any LLM via your own API key or a local model.

Pros

  • Fully open source under Apache 2.0 — inspect, modify, and self-host freely
  • Works with any LLM including local models via Ollama for complete privacy

Cons

  • Requires an API key or a local LLM setup — no out-of-the-box free model access
  • More setup involved than cloud-first alternatives like Copilot or Cursor
T

Tabby

Free & Open Source

Self-hosting is entirely free and open source; Tabby Cloud offers a free tier and paid plans for teams.

A self-hosted, open-source AI coding assistant with IDE plugins for VS Code and JetBrains, plus an optional Tabby Cloud hosted tier.

Pros

  • Fully self-hostable — your code never leaves your own infrastructure
  • Apache 2.0 licence — fully open for inspection, modification, and contribution

Cons

  • Self-hosting requires a server with a GPU for best completion performance
  • Plugin ecosystem and UI polish lag behind commercial alternatives like Copilot

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