GitHub Copilot and Supermaven provide AI autocomplete for code editors. GitHub Copilot integrates across IDEs with chat features; Supermaven focuses on fast inline suggestions. This comparison uses flagship versions and pricing as of April 2026.
Quick Answer
Supermaven leads for autocomplete speed in large codebases; GitHub Copilot fits teams needing chat, workspace agents, and GitHub integration. Choice depends on whether inline completions or full dev assistance matter more.
| Flagship | GPT-5.3 Codex | Cursor 2.0 autocomplete |
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| Price | Free / $10/mo individual / $19/user/mo business | Free / $10/mo Pro |
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| Context Window/Output | 128K tokens context; 1000+ lines output |
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| Best For | Integrated dev workflows in VS Code/GitHub | Fast autocomplete in any editor |
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Where GitHub Copilot Wins
- Built-in chat and agent features handle debugging, refactoring across repositories.
- Native GitHub integration pulls context from issues, PRs for relevant suggestions.
- Business plan adds admin controls, SSO for enterprise teams.
- Supports multiple IDEs including VS Code, JetBrains, Neovim.
- Free tier provides unlimited autocompletions for individuals.
Where Supermaven Wins
- Fastest autocomplete accepts 80%+ suggestions on first try in large files.
- 1M+ token context processes entire codebases for accurate long-range completions.
- Outputs 1000+ lines at once, reducing iteration for complex functions.
- Works in any editor via plugin; no IDE lock-in.
- Free tier matches Pro speed with usage limits suitable for solo devs.
Key Differences
GitHub Copilot uses GPT-5.3 Codex for 128K token context with emphasis on chat-based assistance and GitHub ecosystem ties, priced at $10/mo individual or $19/user/mo business. Supermaven powers Cursor 2.0’s autocomplete engine, handling 1M+ tokens for superior speed and long outputs at $10/mo Pro after free tier. Copilot suits collaborative teams; Supermaven targets speed-focused coders.
Who should choose GitHub Copilot
Teams in GitHub workflows benefit from its agent tools and enterprise features. Solo devs get value from free tier with chat support.
Who should choose Supermaven
Developers prioritizing autocomplete speed in big projects gain from its context and output length. Free tier works for light use across editors.
Bottom Line
Supermaven excels in raw autocomplete performance for power users; GitHub Copilot offers broader dev tools for most workflows. Test free tiers to match your editor and project scale.
FAQ
Can I use both?
Yes, run Supermaven for completions and Copilot for chat/agents in supported IDEs.
Which is cheaper?
Both start free; paid tiers match at $10/mo, but Copilot business scales to $19/user/mo.
Which one should I pick first?
Start with Supermaven free for speed tests; add Copilot if needing GitHub integration.
Sources
GitHub Copilot