GitHub Copilot vs Aider

AI pair programmer — the original AI coding assistant from GitHub/Microsoft
vs. AI pair programmer in your terminal — works with any LLM provider

GitHub Copilot ↗Aider (OSS) ↗

Pricing tiers

GitHub Copilot

Free

50 agent/chat requests + 2,000 completions/month. Haiku 4.5 + GPT-5-mini. Copilot CLI included.

Free

Pro

$10/user/mo. Unlimited agent + chat with GPT-5-mini, 300 premium requests, unlimited inline completions, Claude + Codex.

$10/mo

Pro+

$39/user/mo. 1,500 premium requests, Claude Opus 4.6, all models, GitHub Spark preview, third-party coding agent delegation.

$39/mo

Business

$19/user/mo (contact sales). Everything in Pro + organization license, audit logs, org policies, SSO.

Custom

Enterprise

$39/user/mo. IP indemnification, organization-wide knowledge bases, pull-request agents, fine-grained controls.

Custom

GitHub Copilot ↗

Aider

OSS (Apache-2.0)

$0 forever. Apache-2.0 licensed. Install via pip. Bring your own LLM API key.

$0 base (usage-based)

LLM token cost (passthrough)

Only cost is your LLM provider bill — Claude Sonnet ~$3/M in, $15/M out; Groq + DeepSeek near-free.

$0 base (usage-based)

Aider (OSS) ↗

Free-tier quotas head-to-head

Comparing free on GitHub Copilot vs oss on Aider.

Metric	GitHub Copilot	Aider
No overlapping quota metrics for these tiers.

Features

GitHub Copilot · 16 features

Agent Mode — Multi-step autonomous edits with tool use. In VS Code.
AI Commit Messages — Auto-generate commit messages from diffs.
Business Policies — Admin controls: disable chat, public code filter, audit logs.
Chat with Repos / Docs — @github mentions to reference repos, wikis, docs.
Copilot Chat — Sidebar chat inside editor with file context + /commands.
Copilot Code Review — AI reviewer on pull requests. Suggests changes inline.
Copilot Coding Agent — Background agent that implements issues + opens PRs.
Copilot in CLI — GitHub CLI + `gh copilot suggest` / `explain`.
GitHub Spark (Pro+) — No-code-style app builder inside Copilot.
Inline Completion — Ghost-text suggestions as you type. Tab to accept.
Knowledge Bases (Enterprise) — Index docs/repos as context for chat.
PR Summaries + Q&A — AI-generated PR descriptions + Q&A on changes.
Slash Commands — /explain, /fix, /tests, /docs, /simplify, /review.
Third-Party Agent Delegation (Pro+) — Delegate tasks to Devin, Jules, Claude Code agents.
Voice Chat (preview) — Talk to Copilot hands-free.
Workspace (Preview) — Full-repo task planning + execution.

Aider · 15 features

Architect Mode — Large reasoning model plans → small editor model applies.
Browser UI — Optional Streamlit-based GUI on localhost.
Conventions File — .aider.conf.yml defines project rules.
Copy-Paste Mode — Paste web-chat output → aider parses + applies.
Git-Native Workflow — Each edit = git commit with descriptive message.
Multi-File Editing — Handles refactors across dozens of files.
Multi-LLM Support — Claude, GPT, Gemini, DeepSeek, Groq, local.
Public LLM Benchmarks — Maintains polyglot coding benchmark leaderboard.
Read-Only Mode — View changes without committing.
Repo-Map — Automatic project context summarization.
Terminal-Native UI — Runs in bash/zsh, no IDE required.
Test-Driven Mode — Runs tests after each edit, auto-fixes failures.
Vim / Neovim Plugin — Launch aider from editor.
Voice Coding — Transcribe voice → code.
VS Code Extension — Launch aider from VS Code.

Developer interfaces

Kind	GitHub Copilot	Aider
CLI	GitHub Copilot CLI	aider CLI
REST	Copilot REST API	—
OTHER	Copilot Chat (Web), JetBrains Plugin, Neovim Plugin, VS Code Extension, Xcode Extension	Aider Browser UI, .aider.conf.yml, aider.vim / neovim, Aider VS Code Extension

Staxly is an independent catalog of developer platforms. Some links to GitHub Copilot and Aider may be affiliate links — Staxly may earn a commission if you sign up through them, at no extra cost to you. Pricing is verified against vendor pages at publication time — reconfirm before buying.

Want this comparison in your AI agent's context? Install the free Staxly MCP server.