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10 Best Free Alternatives to GitHub Copilot (2026)

Last checked October 2026 · 10 alternatives to GitHub Copilot in our catalog

GitHub Copilot paid plans start at $10/mo, which is why people look for a free alternative. Below are 10 options with a free plan or no price at all - 2 are completely free, 4 are open source, 4 run on Linux and 7 work in the browser.

Quick picks

Claude

Most popular

Claude

Aider

No paid tier at all

Aider

Picked from listing data (price model, license, platforms, community votes), not hands-on testing.

GitHub Copilot alternatives compared

AlternativePriceOpen sourcePlatformsWhat it is
ClaudeFreemiumNoWeb, Mac, Windows, iOSAnthropic's AI assistant for writing, coding, and analysis.
Google GeminiFreemiumNoWeb, iOS, AndroidGoogle’s multimodal AI assistant.
ChatGPTFreemiumNoWeb, Mac, Windows, iOSOpenAI's conversational AI assistant for chat, writing, and code.
AiderFreeYesWindows, Mac, LinuxAn open-source AI pair programmer for your terminal, compatible with Claude, GPT, and local LLMs.
WindsurfFreeNoWebAI-powered code editor for multi-file edits
ChatwootFreemiumYesWebOpen source omnichannel customer support platform with AI
GreptileFreemiumNoWeb, Windows, Mac, LinuxAI code reviewer that indexes your whole codebase to catch bugs before merge.
jcodeFreemiumYes (MIT)Linux, macOS, BSDOpen-source terminal AI coding agent built for parallel workflows and resource efficiency.
JeecgBootFreemiumYes (Apache-2.0)WebEnterprise-level AI low-code platform
SupermavenFreemiumNoWindows, Mac, LinuxA fast AI code-completion tool with a 1-million-token context window for large codebases.
1
Claude

Claude

FreemiumWebMacWindowsiOS

Anthropic's AI assistant for writing, coding, and analysis.

Free plan includes: Access to Claude models · Basic Projects · Web & mobile apps

  • Strong performance on long-context and reasoning tasks
  • Careful, thoughtful responses
  • Artifacts make iterative work easier to manage
  • Free tier usage limits are fairly restrictive
  • Fewer third-party plugin integrations than some competitors
Full details GitHub Copilot vs Claude
3
ChatGPT

ChatGPT

FreemiumWebMacWindowsiOS

OpenAI's conversational AI assistant for chat, writing, and code.

Free plan includes: Limited GPT-4o access · Web browsing · Basic file uploads

  • Extremely versatile across writing, coding, and reasoning tasks
  • Custom GPTs enable no-code specialization
  • Fast, natural conversational quality
  • Can occasionally produce confidently incorrect answers
  • Free tier usage limits during peak times
Full details GitHub Copilot vs ChatGPT
4
Aider

Aider

FreeOpen sourceWindowsMacLinux

An open-source AI pair programmer for your terminal, compatible with Claude, GPT, and local LLMs.

  • Fully open source and free to run
  • Works with almost any LLM provider, avoiding lock-in
  • Automatic git commits keep a clean history of AI changes
  • Requires comfort with the terminal/command line
  • Users must supply and pay for their own LLM API access
Full details
5
Windsurf

Windsurf

FreeWeb

AI-powered code editor for multi-file edits

  • AI-powered code completion for increased productivity
  • Real-time collaboration for seamless team work
  • Multi-file edit support for efficient project management
  • Limited customization options for the editor
  • Steep learning curve for new users
Full details
6
Chatwoot

Chatwoot

FreemiumOpen sourceWeb

Open source omnichannel customer support platform with AI

Free plan includes: Up to 2 agents · Live chat only · 500 conversations/month · 30-day data retention

  • Genuine free tier for small teams
  • Open source with a real self-hosting path
  • Combines many support channels in one inbox
  • Voice channel requires the pricier Business tier
  • AI credits are a separate metered add-on cost
Full details
7
Greptile

Greptile

FreemiumWebWindowsMacLinux

AI code reviewer that indexes your whole codebase to catch bugs before merge.

Free plan includes: Unlimited repos · 50 monthly credits · Codebase indexing

  • Free Starter tier covers a solo developer with unlimited repositories
  • Whole-codebase graph indexing gives reviews more context than diff-only tools
  • TREX can generate and run tests automatically instead of just flagging missing coverage
  • Credit-based Pro pricing means heavy TREX usage (3 credits per review) can burn through the allotment fast
  • Full language accuracy is strongest on a defined set of languages, with reduced accuracy on others
Full details
8
jcode

jcode

FreemiumOpen source · MITLinuxmacOSBSD

Open-source terminal AI coding agent built for parallel workflows and resource efficiency.

  • Extremely low memory overhead per additional session (~10.4 MB PSS vs ~212.7 MB for Claude Code).
  • Very fast startup: ~14 ms to first frame and ~48.7 ms to first input.
  • Built for massive parallelism: dozens of agents can run concurrently.
  • Benchmark comparisons are self-published by the project and may favor jcode.
  • Ecosystem, third-party integrations, and community size are likely smaller than more established tools like Claude Code.
Full details
9
JeecgBoot

JeecgBoot

FreemiumOpen source · Apache-2.0Web

Enterprise-level AI low-code platform

  • Rapid system development with one-sentence generation
  • AI-powered development with automated repetitive tasks
  • Enterprise-level features for complex system development
  • Steep learning curve due to complex features
  • Limited customization options for certain features
Full details
10
Supermaven

Supermaven

FreemiumWindowsMacLinux

A fast AI code-completion tool with a 1-million-token context window for large codebases.

Free plan includes: Inline code completions · Large codebase indexing

  • Very low suggestion latency compared to rivals
  • Large 1M-token context window on the Pro plan
  • Works across three major editor ecosystems
  • Free tier does not include the full context window
  • No mobile or standalone app -- editor-extension only
Full details

Frequently asked questions

What is the best free alternative to GitHub Copilot?

Claude is the first free alternative we list for GitHub Copilot. Others worth a look: Google Gemini, ChatGPT and Aider. Which one fits depends on what you use GitHub Copilot for, so check the platform and free-plan details for each.

Is there a completely free alternative to GitHub Copilot?

Yes. Aider and Windsurf have no paid tier. The rest of the list are freemium: a free plan with paid upgrades.

Is there an open-source alternative to GitHub Copilot?

Yes: Aider, Chatwoot, jcode and JeecgBoot. Open-source options can usually be inspected, modified and self-hosted.

Does GitHub Copilot have a free plan?

Yes. The free plan includes 2,000 completions/mo, 50 chat messages/mo and Access to base models. Paid plans start at $10/mo.

How this list is built: alternatives come from our catalog's curated alternative relationships; price model, license and platforms come from each product's listing; order is fully-free first, then community votes.