diff --git a/pkgs/by-name/ki/kilo/package.nix b/pkgs/by-name/ki/kilo/package.nix
new file mode 100644
index 000000000000..fee4ee41eed6
--- /dev/null
+++ b/pkgs/by-name/ki/kilo/package.nix
@@ -0,0 +1,199 @@
+{
+  lib,
+  stdenvNoCC,
+  bun,
+  fetchFromGitHub,
+  installShellFiles,
+  makeBinaryWrapper,
+  models-dev,
+  nix-update-script,
+  ripgrep,
+  sysctl,
+  versionCheckHook,
+  writableTmpDirAsHomeHook,
+}:
+
+stdenvNoCC.mkDerivation (finalAttrs: {
+  pname = "kilo";
+  version = "7.3.40";
+
+  src = fetchFromGitHub {
+    owner = "Kilo-Org";
+    repo = "kilocode";
+    tag = "v${finalAttrs.version}";
+    hash = "sha256-Jw2C8C7dFPwOGp8tg6ewcRXdVsJEDDFSe+xuF86Xwfc=";
+  };
+
+  node_modules = stdenvNoCC.mkDerivation {
+    pname = "${finalAttrs.pname}-node_modules";
+    inherit (finalAttrs) version src;
+
+    impureEnvVars = lib.fetchers.proxyImpureEnvVars ++ [
+      "GIT_PROXY_COMMAND"
+      "SOCKS_SERVER"
+    ];
+
+    nativeBuildInputs = [
+      bun
+      writableTmpDirAsHomeHook
+    ];
+
+    dontConfigure = true;
+
+    buildPhase = ''
+      runHook preBuild
+
+      export BUN_INSTALL_CACHE_DIR=$(mktemp -d)
+      bun install \
+        --cpu="*" \
+        --frozen-lockfile \
+        --ignore-scripts \
+        --no-progress \
+        --os="*"
+
+      bun --bun ./nix/scripts/canonicalize-node-modules.ts
+      bun --bun ./nix/scripts/normalize-bun-binaries.ts
+
+      runHook postBuild
+    '';
+
+    installPhase = ''
+      runHook preInstall
+
+      mkdir -p $out
+      find . -type d -name node_modules -exec cp -R --parents {} $out \;
+
+      runHook postInstall
+    '';
+
+    dontFixup = true;
+
+    outputHash = "sha256-Defmk7fN49UQtBpmWIFGnUiPlBpJtLp+8QaFFQCAY8k=";
+    outputHashAlgo = "sha256";
+    outputHashMode = "recursive";
+  };
+
+  nativeBuildInputs = [
+    bun
+    installShellFiles
+    makeBinaryWrapper
+    models-dev
+    writableTmpDirAsHomeHook
+  ];
+
+  strictDeps = true;
+  __structuredAttrs = true;
+
+  postPatch = ''
+    # NOTE: Relax Bun version check to be a warning instead of an error.
+    substituteInPlace packages/script/src/index.ts \
+      --replace-fail 'throw new Error(`This script requires bun@''${expectedBunVersionRange}' \
+                     'console.warn(`Warning: This script requires bun@''${expectedBunVersionRange}'
+    substituteInPlace packages/opencode/script/build.ts \
+      --replace-fail 'await $`patchelf --set-interpreter ''${interpreter} dist/''${name}/bin/kilo`' \
+                     'await $`true`'
+  '';
+
+  configurePhase = ''
+    runHook preConfigure
+
+    cp -R ${finalAttrs.node_modules}/. .
+    patchShebangs node_modules
+    patchShebangs packages/*/node_modules
+
+    runHook postConfigure
+  '';
+
+  env.KILO_CHANNEL = "latest";
+  env.KILO_VERSION = finalAttrs.version;
+  env.MODELS_DEV_API_JSON = "${models-dev}/dist/_api.json";
+
+  buildPhase = ''
+    runHook preBuild
+
+    cd ./packages/opencode
+    bun --bun ./script/build.ts --single --skip-install --skip-embed-web-ui
+    bun --bun ./script/schema.ts config.json tui.json
+
+    runHook postBuild
+  '';
+
+  installPhase = ''
+    runHook preInstall
+
+    install -Dm755 dist/@kilocode/cli-*/bin/kilo $out/bin/kilo
+
+    wrapProgram $out/bin/kilo \
+      --prefix PATH : ${
+        lib.makeBinPath (
+          [
+            ripgrep
+          ]
+          ++ lib.optionals stdenvNoCC.hostPlatform.isDarwin [
+            sysctl
+          ]
+        )
+      }
+
+    install -Dm644 config.json $out/share/kilocode/config.json
+    install -Dm644 tui.json $out/share/kilocode/tui.json
+
+    runHook postInstall
+  '';
+
+  postInstall = lib.optionalString (stdenvNoCC.buildPlatform.canExecute stdenvNoCC.hostPlatform) ''
+    installShellCompletion --cmd kilo \
+      --bash <($out/bin/kilo completion) \
+      --zsh <(SHELL=/bin/zsh $out/bin/kilo completion)
+  '';
+
+  nativeInstallCheckInputs = [
+    versionCheckHook
+    writableTmpDirAsHomeHook
+  ];
+  doInstallCheck = true;
+  versionCheckKeepEnvironment = [
+    "HOME"
+    "KILO_CHANNEL"
+    "KILO_VERSION"
+    "MODELS_DEV_API_JSON"
+  ];
+  versionCheckProgram = "${placeholder "out"}/bin/kilo";
+  versionCheckProgramArg = "--version";
+
+  passthru = {
+    jsonschema = {
+      config = "${placeholder "out"}/share/kilocode/config.json";
+      tui = "${placeholder "out"}/share/kilocode/tui.json";
+    };
+    updateScript = nix-update-script {
+      extraArgs = [
+        "--subpackage"
+        "node_modules"
+      ];
+    };
+  };
+
+  meta = {
+    description = "Terminal User Interface for Kilo Code";
+    homepage = "https://github.com/Kilo-Org/kilocode";
+    changelog = "https://github.com/Kilo-Org/kilocode/releases/tag/v${finalAttrs.version}";
+    downloadPage = "https://www.npmjs.com/package/@kilocode/cli";
+    license = lib.licenses.mit;
+    maintainers = with lib.maintainers; [
+      xiaoxiangmoe
+    ];
+    sourceProvenance = with lib.sourceTypes; [ fromSource ];
+    mainProgram = "kilo";
+    platforms = [
+      "aarch64-linux"
+      "x86_64-linux"
+      "aarch64-darwin"
+      "x86_64-darwin"
+    ];
+    badPlatforms = [
+      # Broken due to Bun requiring AVX when run via Rosetta 2 on Apple Silicon.
+      "x86_64-darwin"
+    ];
+  };
+})