Supermaven

Supermaven is an AI code completion tool built for raw speed. Founded in 2023 by Jacob Jackson, who previously co-founded Tabnine, it launched with a defining differentiator: a 1 million token context window that lets it read your entire codebase rather than a small sliding window of nearby code. The free tier delivers fast, high-quality inline suggestions with no card required; the $10/month Pro plan adds the full context window, style adaptation, and chat credits. In late 2024, Anysphere acquired Supermaven and absorbed the team into Cursor Tab. As of May 2026, the standalone plugin still ships updates and remains a legitimate choice for developers who want dedicated, low-overhead autocomplete inside VS Code, JetBrains, or Neovim without committing to a full IDE switch. Whether that remains true long-term is the honest question this review answers.

Speed has always been the thing that separates a good autocomplete tool from a great one. When a suggestion appears before you’ve finished the thought, it feels like the tool is coding with you. When it lags half a second, you’re already moving on. Supermaven was built around that single insight: latency kills the experience, and everything else is secondary. The team behind it, led by Jacob Jackson who previously co-founded Tabnine, launched Supermaven in early 2024 with two claims that were hard to ignore. First, suggestions arrived in roughly 250 milliseconds, about three times faster than the tools it was competing against. Second, it brought a 1 million token context window to a price point where anyone could afford it.

Quick verdict

Supermaven is the right choice if you want the fastest inline autocomplete available as a standalone plugin, particularly if you’re in JetBrains or Neovim. The free tier is genuinely useful, the Pro plan at $10 is fairly priced, and the context window advantage is real. The uncertainty is the acquisition: Anysphere bought the company in late 2024, and the same technology now powers Cursor Tab. If you’re open to changing your IDE, Cursor is probably where you should land.

What is Supermaven, exactly?

Supermaven started as a side project with a thesis. Jacob Jackson had spent years at Tabnine, one of the earliest AI autocomplete tools, and came away with a specific frustration: most tools were trying to make suggestions smarter when the real problem was making them faster. Developers would often outpace their autocomplete, type ahead of the suggestion, and ignore it entirely. Jackson’s bet was that speed, not model quality, was the primary constraint on adoption.

The company was founded in 2023, launched publicly in March 2024, and built the product around three technical choices. First, it trained its own completion model rather than relying on a general-purpose LLM for every keystroke. That custom model, which Supermaven calls Babble in its lighter configuration, is optimized for speed rather than reasoning depth. Second, it invested heavily in a large context window, reaching 1 million tokens on paid tiers at a time when most competitors were working with 100k or fewer. Third, it kept the plugin footprint small, positioning it as an addition to your existing editor rather than a replacement.

The product found a real audience. Developers who were frustrated with Copilot’s latency or who used JetBrains IDEs without good AI options adopted it quickly. The free tier was unusually capable for a startup product, which helped word-of-mouth.

Then in late 2024, Anysphere acquired the company. Jackson and the team joined Anysphere, the maker of Cursor, and their work became the foundation of Cursor Tab. The standalone Supermaven plugin has continued to ship updates and remains active as of May 2026. Anysphere hasn’t announced a shutdown, but the team is clearly focused on the Cursor product line. That context matters when you’re deciding whether to build your workflow around this tool.

The features that put Supermaven on the map

Speed measured in milliseconds

Supermaven’s own benchmarks show suggestion latency around 250 milliseconds compared to 783 milliseconds for the tools it was competing against at launch. That’s not a small gap. In practice, 250ms is close to the threshold where completions feel predictive rather than reactive. You type a function signature and the body is already suggesting itself before you’ve consciously decided what comes next.

The speed comes from the custom model architecture and infrastructure choices, not just throwing more servers at the problem. The model is purpose-built for completion tasks, not repurposed from a larger conversational LLM. That specialization trades some reasoning depth for latency, and Supermaven is explicit about that tradeoff rather than hiding it.

For developers who’ve tried AI autocomplete and bounced off it because suggestions always felt one beat behind, this difference is worth testing firsthand. The experience is meaningfully different.

Million-token context window

Most autocomplete tools read a sliding window of code around your cursor. They know your current file, maybe a few adjacent files you’ve recently edited, and that’s roughly it. Supermaven’s 1 million token context window on Pro and Team plans means it can read your entire codebase at once.

In practice, this matters most when you’re working across a large project with shared utilities, internal libraries, or a codebase where the right completion depends on a type definition or function signature defined far from where you’re currently typing. Tools with smaller context windows guess or miss those connections. Supermaven’s suggestions can reflect the actual shape of your project.

The context window is a Pro-only feature, which is a meaningful reason to pay. Free tier users get standard completions that still outperform many paid competitors on latency, but they don’t get the whole-codebase awareness. If you work on large projects where cross-file context is a daily concern, that gap is real.

Editor coverage beyond VS Code

A lot of the AI coding tooling wave has been VS Code-first, with JetBrains support added as an afterthought or skipped entirely. Supermaven ships official plugins for VS Code, all major JetBrains IDEs, and Neovim from the start.

JetBrains support is particularly important for developers in Java, Kotlin, Go, or any stack where IntelliJ-based IDEs are the standard choice. Those developers often had worse AI autocomplete options than VS Code users simply because fewer tools prioritized the platform. Supermaven works consistently across JetBrains and doesn’t feel like a port that’s six months behind the main product.

Neovim support is a smaller audience but a meaningful one. The Neovim ecosystem has good LSP integration and plugin infrastructure, and Supermaven fits into it without requiring a heavy configuration layer.

Babble model and the speed/quality tradeoff

Supermaven offers what it calls the Babble model as a lighter, faster completion option. The tradeoff is direct: Babble sacrifices some suggestion quality for even lower latency. On Pro, you have access to the larger, more capable model that powers the 1M context window. The Babble option is there for moments when you want the tool to stay completely out of the way except for the fastest possible inline suggestions.

This is an honest design choice. Not every completion needs the best model. If you’re writing boilerplate or working in a familiar codebase, a fast, lighter model often produces suggestions that are just as useful as a slower, larger one. Having the option rather than forcing one mode is the right call.

Free tier that’s actually useful

Many AI tools advertise a free tier and deliver something barely functional. Supermaven’s free plan gives you fast inline code suggestions, works with large codebases, and doesn’t require a credit card. The main limits are the absence of the 1M context window, no style adaptation, and a 7-day data retention window.

For developers who want to evaluate the core experience before committing, or who work on smaller projects where the full context window is less critical, the free tier is a legitimate option rather than a sales funnel with a soft ceiling.

Pricing

Supermaven runs three tiers.

The Free plan costs nothing. You get fast inline code suggestions, large codebase support, and the core completion experience. Data is retained for 7 days. Style adaptation and the 1M context window are not included.

The Pro plan is $10 per month and includes the 1 million token context window, coding style adaptation, access to the largest available completion model, and $5 per month in Supermaven Chat credits. A 30-day free trial is available before the first charge.

The Team plan is also $10 per user per month, adds centralized user management and billing, and gives each user the same $5 in monthly chat credits. There’s no minimum seat requirement listed.

At $10 per month, Pro is priced fairly for what it delivers. GitHub Copilot runs $10 per month as well, and Supermaven’s 1M context window is a real technical advantage over Copilot at the same price. Codeium’s individual tier is free with unlimited completions, which makes it a tough comparison for casual users, but Codeium’s free tier doesn’t include anything close to Supermaven’s context window depth.

The acquisition doesn’t appear to have changed pricing as of May 2026. The plans that existed at launch remain the same. Whether that holds if Anysphere decides to consolidate products into Cursor’s subscription model is an open question.

Where Supermaven wins and where it doesn’t

Supermaven wins on latency. No comparable standalone autocomplete tool consistently delivers suggestions as fast. It wins on context window size for the price point. And it wins on JetBrains coverage, where alternatives are thinner.

It doesn’t win as a full coding assistant. There’s no agentic mode, no multi-file edit capability, and the chat feature is basic compared to what you get inside Cursor or Cline. If your workflow involves a lot of natural language instructions, inline refactors across multiple files, or terminal integration, Supermaven isn’t the tool for that. It’s an autocomplete specialist, and it should be evaluated as one.

The acquisition is the most honest complication. The same team that built Supermaven now works primarily on Cursor Tab. That’s not a sign that the standalone plugin is about to die, but it is a reason to think carefully about dependency. If you build a workflow around a standalone tool that’s being de-prioritized in favor of a product the parent company cares about more, you’re accepting some risk. Supermaven has been a solid product for two years. Whether it stays that way for two more depends on decisions Anysphere will make.

Who Supermaven is built for

Supermaven is built for developers who want AI autocomplete and don’t want to change their editor.

If you’ve been in IntelliJ or WebStorm for ten years, your muscle memory, plugins, and project configurations are all there. Switching to a new IDE to get better AI completions is a real cost. Supermaven lets you stay where you are and get meaningfully better autocomplete without rebuilding your environment.

It’s also a good fit for developers who tried AI autocomplete tools and found them annoying rather than helpful because of latency. That’s a specific complaint, and Supermaven addresses it directly. If the suggestions came faster, the experience would have clicked. Testing Supermaven is a reasonable next step.

For teams, the $10/user Team plan gives you centralized management at the same price as individual Pro. That’s a clean deal if you want to standardize autocomplete tooling across a JetBrains or mixed-editor environment.

Supermaven vs the alternatives

Supermaven vs Cursor: This is now a comparison between a plugin and the IDE that the plugin’s creators are primarily building. Cursor includes Cursor Tab, which uses the same underlying technology Supermaven’s team developed. If you’re open to an IDE switch, Cursor gives you everything Supermaven offers in autocomplete plus a full agentic coding environment, multi-file editing, and a well-maintained product roadmap. The tradeoff is that Cursor is a full IDE replacement with a subscription that starts at $20 per month for individual use. Supermaven is $10 per month and lives inside your existing editor. Pick based on whether you want an AI-native IDE or a fast plugin.

Supermaven vs GitHub Copilot: At the same $10 per month price, Supermaven has faster latency and a larger context window. Copilot has deeper GitHub integration, a larger user community, and a longer track record in enterprise environments. For solo developers who care about completion quality and speed, Supermaven is the stronger technical choice. For teams embedded in the GitHub ecosystem who also want PR summaries, issue integration, and Copilot Chat, the GitHub integration may tip the balance toward Copilot.

Supermaven vs Codeium: Codeium’s individual tier is free with unlimited completions, which makes it a genuine Supermaven alternative for developers who don’t want to pay at all. Codeium also supports more editors, including Emacs and a wider range of specialized IDEs. Where Supermaven has the edge is the 1M context window and raw suggestion speed on paid plans. Codeium doesn’t have an equivalent context window offering. If cost is the primary constraint, Codeium is the better answer. If context depth matters, Supermaven Pro is worth the $10.

It’s also worth knowing about Tabnine, the tool Jackson built before Supermaven. Tabnine remains active with a strong enterprise focus, self-hosted deployment options, and a long track record. If compliance and on-premises deployment are requirements, Tabnine is a more mature option than Supermaven in that specific niche.

For a broader comparison across the category, the best AI agent for coding guide covers how all of these tools sit relative to each other.

Getting started

Installing Supermaven takes about three minutes. Go to supermaven.com and follow the link for your editor.

For VS Code, search “Supermaven” in the extensions marketplace, install it, and sign in with a free account. The extension activates immediately and suggestions start appearing as you type. No configuration is required to get to a working state.

For JetBrains, find the plugin through Settings > Plugins > Marketplace, search Supermaven, and install. Same sign-in flow.

For Neovim, the setup involves the supermaven-nvim plugin available through standard plugin managers. The GitHub repository has a straightforward init configuration.

The free tier is active immediately after sign-in. Upgrading to Pro for the 1M context window and style adaptation is a one-click process inside the plugin settings, and the 30-day trial means you don’t pay anything to test whether the context window difference is meaningful in your actual codebase.

The bottom line

Supermaven delivers on its core promise. It’s genuinely the fastest inline autocomplete available as a standalone plugin, the 1M context window is a real advantage on Pro, and JetBrains support is first-class. The free tier is honest, the $10 Pro price is reasonable, and the plugin is lightweight enough to add without disrupting an existing editor setup.

The question worth asking honestly is whether a standalone autocomplete plugin is the right long-term bet when the team that built it is primarily working on Cursor Tab. If you’re not ready to move to a new IDE, Supermaven is a very good answer for the problem it solves. If you are open to it, Cursor is probably where the same technology is heading, and it’s worth starting there instead.

Key features

• 1 million token context window on Pro and Team tiers: understands your entire codebase at once
• Sub-250ms suggestion latency, roughly 3x faster than most competing tools
• Adaptive coding style learning that adjusts completions to your personal patterns
• VS Code, JetBrains, and Neovim support out of the box
• Supermaven Chat with access to GPT-4o, Claude 3.5 Sonnet, and other frontier models
• Babble model option for even faster, lighter completions when speed matters most
• Genuinely usable free tier with no credit card required

Pros and cons

Who is Supermaven for?

• Developers who want fast inline completions without switching to a new IDE
• JetBrains users who lack good AI autocomplete options
• Teams evaluating autocomplete tools before committing to an AI-native IDE
• Neovim users who want context-aware completions without heavy plugins

Alternatives to Supermaven

If Supermaven isn't quite the right fit, the closest alternatives are cursor , github-copilot , and codeium . See our full Supermaven alternatives page for side-by-side comparisons.