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Developer Tools · head to head

Helix vs Sumsub

Helix logo

Helix

Developer Tools

Post-modern modal text editor for the terminal, written in Rust

From
Free
Free plan
Yes
Full reviewWebsite
Sumsub logo

Sumsub

Cybersecurity

Identity verification and AML screening priced per verification

From
$1.35/verification
Free plan
No
Full reviewWebsite

The short version

  • Only Helix has a free tier, so it costs nothing to try first.
  • Each has a real cost: Helix no official GUI application yet, so it requires comfort with terminal workflows.; Sumsub the published per-verification rate is undercut by a monthly minimum of 149 or 299 dollars, so low volume businesses pay a much higher effective rate than the headline suggests.
  • They diverge on capability: Helix covers Multiple Selections, Sumsub covers Document verification.
  • Prices and features above were last checked on 1 September 2026.

Where they differ

Only the attributes on which Helix and Sumsub actually diverge.

Attributes where Helix and Sumsub differ
AttributeHelixSumsub
Starting priceFree$1.35/verification
Pricing modelopen-sourcePer verification
Free tierYesNo
Platformslinux, mac, windowsWeb, iOS, Android
CategoryDeveloper ToolsCybersecurity

Identical on both: user rating (Not yet rated).

What each one covers

Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.

Only in Helix

  • Multiple Selections
  • Tree-sitter Syntax Trees
  • Built-in LSP Support
  • Fuzzy File Finder
  • Project-wide Search

Only in Sumsub

  • Document verification
  • AML screening
  • KYB verification
  • No-code flow builder
  • Transaction monitoring
  • Travel Rule
  • Fraud and duplicate detection

What people use each for

The jobs each tool is most often brought in to do.

Helix

  • Editing code over SSH or in tmux sessionsnot Sumsub
  • Working with syntax-aware selection and navigationnot Sumsub
  • Getting IDE-like completion and diagnostics without plugin setupnot Sumsub
  • Lightweight, low-resource code editing on laptopsnot Sumsub

Sumsub

  • A crypto exchange needing KYC plus Travel Rule handling under one contractnot Helix
  • A gambling operator entering several European markets and needing document coverage without a separate vendor per countrynot Helix
  • A fintech that wants a published price it can model in a business case before speaking to a salespersonnot Helix
  • A marketplace verifying both individual sellers and the companies behind them without buying two productsnot Helix

Where each one falls short

Documented limitations, not opinions. Every one is a constraint you would hit in normal use.

Helix

  • No official GUI application yet, so it requires comfort with terminal workflows.
  • Plugin ecosystem is far smaller than Vim's or Neovim's, limiting customization.
  • Keybindings differ from both Vim and Kakoune, adding a learning curve for users of either.
  • Configuration is more limited than Neovim's Lua-based extensibility.

Sumsub

  • The published per-verification rate is undercut by a monthly minimum of 149 or 299 dollars, so low volume businesses pay a much higher effective rate than the headline suggests.
  • You are billed per verification attempt in most configurations, meaning applicant drop-off and resubmissions cost money without producing a customer.
  • Pass rates and document support vary noticeably by country, and a market that works well in Europe can produce materially worse rejection rates in parts of Africa and South East Asia.
  • The AML screening tier bundles list coverage that large institutions would normally buy separately and tune, giving less control over match thresholds than a dedicated screening vendor.
  • The company originated in Russia before restructuring to a UK entity, and some financial institutions still raise that history in vendor risk review, which can slow or block procurement at conservative banks.

Pricing, plan by plan

Helix

Free
  • FreeFree
    • Full editor, no paid tiers

Sumsub

$1.35/verification
  • Basic$1.35/verification
    • 149 USD minimum monthly spend
    • Document verification and liveness
    • No-code flow builder
  • Compliance$1.85/verification
    • 299 USD minimum monthly spend
    • Everything in Basic
    • AML sanctions and PEP screening
  • Enterprise$undefined/year
    • Negotiated volume rate
    • Custom jurisdictions and languages
    • Dedicated support

Which should you pick?

Choose Helix if

  • You need multiple selections.
  • You want to start without paying.
  • You work on linux, mac, windows.
  • You also want tree-sitter syntax trees.
Helix review

Choose Sumsub if

  • You need document verification.
  • You work on Web, iOS, Android.
  • You also want aml screening.
Sumsub review

Questions people ask

Is Helix or Sumsub better?
Neither clearly leads. Helix starts at Free and Sumsub at $1.35/verification, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Helix or Sumsub?
Helix has a free tier; the other does not. Paid plans start at Free for Helix and $1.35/verification for Sumsub.
Does Helix or Sumsub run on more platforms?
Helix runs on linux, mac, windows. Sumsub runs on Web, iOS, Android.
Can I use Helix for free?
Yes. Helix has a free tier, so you can try it without paying. Sumsub starts at $1.35/verification.
What is Helix best used for?
Helix is most often used for editing code over ssh or in tmux sessions, working with syntax-aware selection and navigation, getting ide-like completion and diagnostics without plugin setup, lightweight, low-resource code editing on laptops. Of those, editing code over ssh or in tmux sessions and working with syntax-aware selection and navigation are not what Sumsub is typically brought in for.
What can Helix do that Sumsub cannot?
Helix covers Multiple Selections, Tree-sitter Syntax Trees, Built-in LSP Support, Fuzzy File Finder. Sumsub covers Document verification, AML screening, KYB verification, No-code flow builder.

Answered from the vendors’ own pages

Helix: Is Helix free to use?

Yes, Helix is free and open source, licensed under the Mozilla Public License 2.0 (MPL-2.0), with no paid tiers or subscriptions.

Source
Sumsub: What does a verification actually cost?

1.35 USD on Basic and 1.85 USD on Compliance, but with 149 and 299 USD monthly minimums respectively. Below roughly 110 or 160 checks a month you are paying the minimum, not the rate.

Helix: How do I install Helix?

Install via your operating system's package manager, or download pre-built binaries from GitHub Releases; the nightly version requires building from source.

Source
Sumsub: Do failed verifications get charged?

Attempts are generally billable, so a poor onboarding funnel raises your bill. Confirm the exact resubmission policy in your contract.

Helix: Does Helix support plugins?

Not yet. Helix currently has no plugin system, though the project intends to add one eventually; it instead ships with built-in LSP and tree-sitter support out of the box.

Source
Sumsub: Does it cover business verification?

Yes, KYB with company registry lookups and beneficial owner resolution is part of the platform rather than a separate product.

Helix: How do I configure Helix?

Helix ships with sane modern defaults requiring much less config-file fiddling than Vim, though settings can still be customized in a config.toml file.

Source
Helix: Where can I get help or support?

Support is community-driven via GitHub for code and issues, the Matrix chat for discussion, and OpenCollective for funding ongoing development.

Source
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