Supermaven
The fastest AI copilot with a 1 million token context window
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About Supermaven
Supermaven was an AI-powered code completion tool founded in February 2024 by Jacob Jackson — the original creator of Tabnine, the first AI code completion product. It distinguished itself from competitors like GitHub Copilot through two innovations: a proprietary neural network architecture called Babble that delivered inline suggestions in under 250ms (3x faster than competitors), and a 1 million token context window that allowed the AI to understand and reason over entire codebases without chunking or retrieval tricks.
The tool worked as a lightweight plugin for VS Code, JetBrains IDEs, and Neovim. It offered inline autocomplete trained on edit sequences rather than raw file snapshots, adapting to each developer's personal coding style. Supermaven Chat was later added, enabling developers to query GPT-4o, Claude 3.5 Sonnet, and other frontier models from within their editor — with hotkey-driven diff viewing, one-click error uploads with diagnostics, and easy file attachment.
Supermaven was acquired by Cursor (Anysphere) in November 2024 and officially sunset on November 30, 2025. Its core speed technology and Babble model were integrated into Cursor Tab, making it one of the most influential code completion tools of 2024 despite its short standalone lifespan. It was trusted by engineers at DigitalOcean, Midjourney, and Framer, and amassed over 20,000 active developers.
Key Features
- Ultra-fast inline code completion at under 250ms — 3x faster than GitHub Copilot and Codeium
- 1 million token context window (Pro) to understand entire large codebases without RAG or file-chunking
- Proprietary Babble model trained on edit sequences, not just static file snapshots
- Coding style adaptation that learns and matches your personal patterns and conventions
- Supermaven Chat with GPT-4o, Claude 3.5 Sonnet and other frontier models directly inside the editor
- Hotkey-driven diff viewing, apply changes, attach files, and one-click compiler error uploads
- Plugin support for VS Code, JetBrains IDEs (IntelliJ, PyCharm, WebStorm), and Neovim
- Support for 24+ programming languages including Python, JavaScript, TypeScript, Java, C, Rust, Go
Pros
- Fastest inline code completions of any tool at launch — sub-250ms latency beats Copilot by 3x
- 1 million token context window gives it codebase-wide awareness without slow retrieval
- Generous always-free tier with no expiry for solo developers
- Founded by Tabnine creator — deep domain expertise in efficient code completion models
- Lightweight extension model — no new IDE required, works inside existing editors
- Coding style learning personalizes suggestions over time
Cons
- Product sunset in November 2025 after Cursor acquisition — no longer available for new signups
- No agentic or multi-file editing capabilities (completions and chat only)
- Chat credits limited on Pro tier ($5/month) with overage charges
- Extension API limitations in VS Code/JetBrains constrained more advanced features
- 7-day code data retention limit on free tier raised some privacy concerns for teams
Pricing
Supermaven operated a Freemium model during its active life (Feb 2024 – Nov 2025). The Free tier provided fast inline code completions with a 300,000-token context window, compatible with VS Code, JetBrains IDEs, and Neovim — with no trial expiry.
Pro was priced at $10/month (or $99/year), unlocking the 1 million token context window, access to Supermaven's largest Babble model, coding style adaptation, and $5/month in Supermaven Chat credits with a 30-day free trial. Team plans were also $10/user/month and added centralized billing and user management for companies.
Supermaven was acquired by Cursor in November 2024. All paying subscribers were fully refunded in November 2025 when the standalone product was sunset. Free autocomplete inference was extended for existing Neovim and JetBrains users as a courtesy. The product is no longer available for new signups — Cursor is the recommended migration path.
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Frequently Asked Questions
Supermaven was officially sunset on November 30, 2025, following its acquisition by Cursor (Anysphere) in November 2024. New signups are no longer accepted. Cursor is the recommended migration path, as Supermaven's speed technology and Babble model were integrated into Cursor Tab.
Supermaven was founded by Jacob Jackson, who also created Tabnine — the first-ever AI code completion product in 2018. It was special for its Babble neural architecture delivering suggestions in under 250ms and its 1 million token context window that understood entire codebases.
Cursor acquired Supermaven in November 2024. The standalone product was sunset in November 2025. All paying customers received prorated refunds. Supermaven's speed and context technology was merged into Cursor Tab, making Cursor's inline autocomplete significantly faster.
Supermaven supported VS Code, all JetBrains IDEs (IntelliJ, PyCharm, WebStorm, etc.), and Neovim. It was available as a lightweight plugin in each editor rather than a standalone IDE.
At launch, GitHub Copilot offered an 8,192-token context window. Supermaven launched with 300,000 tokens and later expanded to 1 million tokens on Pro — over 30x larger than Copilot — allowing it to understand entire codebases, not just the open file.
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