diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
new file mode 100644
index 0000000..0591f76
--- /dev/null
+++ b/.github/workflows/ci.yml
@@ -0,0 +1,58 @@
+name: CI
+
+on:
+  push:
+    branches: ["main"]
+  pull_request:
+    branches: ["main"]
+
+jobs:
+  build:
+    name: ${{ matrix.name }}
+    runs-on: ${{ matrix.os }}
+    strategy:
+      fail-fast: false
+      matrix:
+        include:
+          - os: windows-latest
+            target: x86_64-pc-windows-msvc
+            name: windows-x86_64
+          - os: ubuntu-22.04            # build on the oldest supported runner for broader glibc compatibility
+            target: x86_64-unknown-linux-gnu
+            name: linux-x86_64
+          - os: macos-14               # Apple Silicon
+            target: aarch64-apple-darwin
+            name: macos-aarch64
+          - os: macos-14               # Intel (cross-compiled from Apple Silicon to avoid queue delays)
+            target: x86_64-apple-darwin
+            name: macos-x86_64
+
+    steps:
+      - uses: actions/checkout@v4
+
+      # GPUI needs these system libs on Linux to compile.
+      - name: Install Linux GUI dependencies
+        if: runner.os == 'Linux'
+        run: |
+          sudo apt-get update
+          sudo apt-get install -y --no-install-recommends \
+            build-essential pkg-config cmake \
+            libfontconfig1-dev libfreetype6-dev \
+            libxcb1-dev libxcb-render0-dev libxcb-shape0-dev libxcb-xfixes0-dev \
+            libxkbcommon-dev libxkbcommon-x11-dev libwayland-dev \
+            libgl1-mesa-dev libegl1-mesa-dev libgtk-3-dev \
+            libudev-dev
+
+      - name: Install Rust toolchain
+        uses: dtolnay/rust-toolchain@stable
+        with:
+          targets: ${{ matrix.target }}
+
+      - name: Cache cargo build
+        uses: Swatinem/rust-cache@v2
+        with:
+          key: ${{ matrix.target }}
+
+      - name: Build (release)
+        # We build in release mode so that the release workflow can reuse the exact artifacts
+        run: cargo build --release --target ${{ matrix.target }}