Free font alternatives

Free alternatives to Px Grotesk

Px Grotesk is a commercial grotesque sans from Optimo. Commercial; licensed from Optimo. Below are the 8 closest free, open-licensed families in the BrandSweets library, ranked by our published, deterministic score — classification, measured proportions, traits, role, language and variable support. Each one is shown in its own face and is free to self-host.

Px Grotesk is a trademark of its owner, named here only to identify the typeface. We do not host, embed or distribute it; “similar” means similar classification and proportions, nothing more.

  1. #185% matchsansOFL-1.1 · Florian Karsten
    Space Grotesk

    Sphinx of black quartz, judge my vow

    Show score breakdown
    Classification×0.35
    100%
    Same class: grotesque.
    Metrics×0.25
    93%
    x-height 0.49 vs 0.52 for Px Grotesk (close); cap height 0.70 vs 0.70 for Px Grotesk (near-identical); both normal width; both low stroke contrast.
    Traits×0.20
    50%
    Shares modern, monoline, quirky (3 of 6 traits).
    Role×0.10
    67%
    Both suit display, heading; Space Grotesk is not tagged for ui.
    Language×0.05
    100%
    Covers all of Px Grotesk's subsets (latin, latin-ext).
    Variable×0.05
    100%
    Static instances, like Px Grotesk.
    Family gate
    Same family: sans.
    View Space Grotesk specimen →Pairings →300 · 400 · 500 · 600 · 700
  2. #285% matchsansOFL-1.1 · Mike Abbink, Bold Monday
    IBM Plex Sans

    Sphinx of black quartz, judge my vow

    Show score breakdown
    Classification×0.35
    100%
    Same class: grotesque.
    Metrics×0.25
    99%
    x-height 0.52 vs 0.52 for Px Grotesk (near-identical); cap height 0.70 vs 0.70 for Px Grotesk (near-identical); both normal width; both low stroke contrast.
    Traits×0.20
    50%
    Shares modern, monoline, technical (3 of 6 traits).
    Role×0.10
    50%
    Both suit heading, ui; IBM Plex Sans is not tagged for display.
    Language×0.05
    100%
    Covers all of Px Grotesk's subsets (latin, latin-ext).
    Variable×0.05
    100%
    Static instances, like Px Grotesk.
    Family gate
    Same family: sans.
    View IBM Plex Sans specimen →Pairings →100 · 200 · 300 · 400 · 500 · 600 · 700
  3. #384% matchsansOFL-1.1 · Jeremy Tribby
    Barlow

    Sphinx of black quartz, judge my vow

    Show score breakdown
    Classification×0.35
    100%
    Same class: grotesque.
    Metrics×0.25
    97%
    x-height 0.51 vs 0.52 for Px Grotesk (near-identical); cap height 0.70 vs 0.70 for Px Grotesk (near-identical); both normal width; both low stroke contrast.
    Traits×0.20
    50%
    Shares modern, monoline, technical (3 of 6 traits).
    Role×0.10
    50%
    Both suit heading, ui; Barlow is not tagged for display.
    Language×0.05
    100%
    Covers all of Px Grotesk's subsets (latin, latin-ext).
    Variable×0.05
    100%
    Static instances, like Px Grotesk.
    Family gate
    Same family: sans.
    View Barlow specimen →Pairings →100 · 200 · 300 · 400 · 500 · 600 · 700 · 800 · 900
  4. #483% matchsansOFL-1.1 · Delve Withrington, Dave Bailey, Thomas Jockin
    Overpass

    Sphinx of black quartz, judge my vow

    Show score breakdown
    Classification×0.35
    100%
    Same class: grotesque.
    Metrics×0.25
    98%
    x-height 0.51 vs 0.52 for Px Grotesk (near-identical); cap height 0.70 vs 0.70 for Px Grotesk (near-identical); both normal width; both low stroke contrast.
    Traits×0.20
    40%
    Shares monoline, technical (2 of 5 traits).
    Role×0.10
    50%
    Both suit heading, ui; Overpass is not tagged for display.
    Language×0.05
    100%
    Covers all of Px Grotesk's subsets (latin, latin-ext).
    Variable×0.05
    100%
    Static instances, like Px Grotesk.
    Family gate
    Same family: sans.
    View Overpass specimen →Pairings →100 · 200 · 300 · 400 · 500 · 600 · 700 · 800 · 900
  5. #582% matchsansOFL-1.1 · Omnibus-Type
    Archivo

    Sphinx of black quartz, judge my vow

    Show score breakdown
    Classification×0.35
    100%
    Same class: grotesque.
    Metrics×0.25
    95%
    x-height 0.53 vs 0.52 for Px Grotesk (near-identical); cap height 0.69 vs 0.70 for Px Grotesk (near-identical); both normal width; both low stroke contrast.
    Traits×0.20
    33%
    Shares modern, monoline (2 of 6 traits).
    Role×0.10
    67%
    Both suit heading, ui; Archivo is not tagged for display.
    Language×0.05
    100%
    Covers all of Px Grotesk's subsets (latin, latin-ext).
    Variable×0.05
    100%
    Static instances, like Px Grotesk.
    Family gate
    Same family: sans.
    View Archivo specimen →Pairings →100 · 200 · 300 · 400 · 500 · 600 · 700 · 800 · 900
  6. #682% matchsansOFL-1.1 · Omnibus-Type
    Saira

    Sphinx of black quartz, judge my vow

    Show score breakdown
    Classification×0.35
    100%
    Same class: grotesque.
    Metrics×0.25
    95%
    x-height 0.51 vs 0.52 for Px Grotesk (near-identical); cap height 0.69 vs 0.70 for Px Grotesk (near-identical); both normal width; both low stroke contrast.
    Traits×0.20
    40%
    Shares monoline, technical (2 of 5 traits).
    Role×0.10
    50%
    Both suit heading, ui; Saira is not tagged for display.
    Language×0.05
    100%
    Covers all of Px Grotesk's subsets (latin, latin-ext).
    Variable×0.05
    100%
    Static instances, like Px Grotesk.
    Family gate
    Same family: sans.
    View Saira specimen →Pairings →100 · 200 · 300 · 400 · 500 · 600 · 700 · 800 · 900
  7. #779% matchsansOFL-1.1
    Hedvig Letters Sans

    Sphinx of black quartz, judge my vow

    Show score breakdown
    Classification×0.35
    100%
    Same class: grotesque.
    Metrics×0.25
    100%
    x-height 0.52 vs 0.52 for Px Grotesk (near-identical); cap height 0.70 vs 0.70 for Px Grotesk (near-identical); both normal width; both low stroke contrast.
    Traits×0.20
    20%
    Shares monoline (1 of 5 traits).
    Role×0.10
    50%
    Both suit heading, ui; Hedvig Letters Sans is not tagged for display.
    Language×0.05
    100%
    Covers all of Px Grotesk's subsets (latin, latin-ext).
    Variable×0.05
    100%
    Static instances, like Px Grotesk.
    Family gate
    Same family: sans.
  8. #879% matchsansOFL-1.1 · Omnibus-Type
    Asap

    Sphinx of black quartz, judge my vow

    Show score breakdown
    Classification×0.35
    100%
    Same class: grotesque.
    Metrics×0.25
    99%
    x-height 0.52 vs 0.52 for Px Grotesk (near-identical); cap height 0.70 vs 0.70 for Px Grotesk (near-identical); both normal width; both low stroke contrast.
    Traits×0.20
    20%
    Shares monoline (1 of 5 traits).
    Role×0.10
    50%
    Both suit heading, ui; Asap is not tagged for display.
    Language×0.05
    100%
    Covers all of Px Grotesk's subsets (latin, latin-ext).
    Variable×0.05
    100%
    Static instances, like Px Grotesk.
    Family gate
    Same family: sans.
    View Asap specimen →Pairings →100 · 200 · 300 · 400 · 500 · 600 · 700 · 800 · 900
mcpConnect your agent — find Px Grotesk alternatives live
live endpoint

Point any MCP client at the shared fonts endpoint and your agent gets the same ranked list with every axis score — find_alternatives, list_commercial_fonts, list_fonts and suggest_fonts, read-only, no key.

endpointhttps://mcp.brandsweets.com/fonts/mcp
claude mcp add --transport http brandsweets-fonts https://mcp.brandsweets.com/fonts/mcp
try this prompt

find a free alternative to Px Grotesk for a modern brand

Want the agent to remember your picks and write them into a living brand? Create a free BrandSweets workspace.

Use Space Grotesk instead

Space Grotesk is the top-ranked alternative to Px Grotesk (85%) and is free to self-host under OFL-1.1. Drop these @font-face rules into your CSS — the .woff2 files are served straight from BrandSweets.

css
@font-face {
  font-family: "Space Grotesk";
  font-style: normal;
  font-weight: 300;
  font-display: swap;
  src: url("https://fonts.brandsweets.com/space-grotesk/space-grotesk-300.woff2") format("woff2");
}
@font-face {
  font-family: "Space Grotesk";
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url("https://fonts.brandsweets.com/space-grotesk/space-grotesk-400.woff2") format("woff2");
}
@font-face {
  font-family: "Space Grotesk";
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url("https://fonts.brandsweets.com/space-grotesk/space-grotesk-500.woff2") format("woff2");
}
@font-face {
  font-family: "Space Grotesk";
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url("https://fonts.brandsweets.com/space-grotesk/space-grotesk-600.woff2") format("woff2");
}
@font-face {
  font-family: "Space Grotesk";
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url("https://fonts.brandsweets.com/space-grotesk/space-grotesk-700.woff2") format("woff2");
}

/* Usage */
.heading { font-family: "Space Grotesk", sans-serif; }

What we compare Px Grotesk on

Class
grotesque
x-height
0.52
Cap height
0.70
Width · contrast
normal · low
Traits
modern, quirky, technical, monoline
Roles
heading, display, ui
Languages · variable
latin, latin-ext · no

≈ proportions are publicly documented approximations of the regular cut, not measured by us. Open-font metrics are measured from the files. Full formula and thresholds: methodology. Machine-readable: alternatives.md

Questions

Is Px Grotesk free?
No. Px Grotesk is a commercial typeface from Optimo. Commercial; licensed from Optimo. The fonts listed here are free, open-licensed alternatives you can download, self-host and use commercially.
What is the closest free alternative to Px Grotesk?
Space Grotesk scores 85% against Px Grotesk on our published formula — Same class: grotesque. x-height 0.49 vs 0.52 for Px Grotesk (close); cap height 0.70 vs 0.70 for Px Grotesk (near-identical); both normal width; both low stroke contrast. It is licensed OFL-1.1, so it is free to self-host.
How are these alternatives ranked?
By a fixed, published score — 0.35 classification, 0.25 measured proportions (x-height, cap height, width, stroke contrast), 0.20 traits, 0.10 role, 0.05 language coverage, 0.05 variable support — after a family gate: specialist families (blackletter, script, glyphic, stencil, monospace) only list same-family fonts, and any cross-family match is capped at 0.2. No model or vote; the same inputs always give the same ranking. Hand-curated picks are labelled and listed first.

Build a brand around Space Grotesk

Turn the pick into a full identity — colors, type roles, logo, and agent-readable tokens your future sessions already know.