diff --git a/CHANGELOG.md b/CHANGELOG.md
index 42bdbe0..0c379f8 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -11,6 +11,12 @@ version with its date and start a fresh empty `[Unreleased]` above it.
 
 ## [Unreleased]
 
+### Added
+
+- Models you configured as bring-your-own-key in qodercli — third-party
+  models and self-defined providers with a custom base URL — now show up in
+  the model selector and can be used from the composer.
+
 ## [1.0.10] - 2026-09-16
 
 ### Added
diff --git a/src/qoder/commands/probe-runtime-commands.ts b/src/qoder/commands/probe-runtime-commands.ts
index 120c8ce..e34597c 100644
--- a/src/qoder/commands/probe-runtime-commands.ts
+++ b/src/qoder/commands/probe-runtime-commands.ts
@@ -36,7 +36,7 @@ function mapSdkCommands(sdkCommands: SDKSlashCommand[]): SlashCommand[] {
 function resolveSdkModelGroup(model: ModelInfo): string {
   const source = model.source as string | undefined;
   if (model.serverScene === 'byok_enterprise' || source === 'organization') return 'Enterprise';
-  if (source === 'user') return 'Custom';
+  if (source === 'user' || source === 'custom') return 'Custom';
   if (model.isNew) return 'New models';
   return 'Qoder';
 }
@@ -376,6 +376,8 @@ export async function probeRuntimeCatalog(
     const commands = mapSdkCommands(initialization.commands ?? []);
     const agents = mapSdkAgents(initialization.agents ?? []);
 
+    // CLI-configured custom providers already ship with the CLI's model list;
+    // asking the server for them by id fails the live fetch outright.
     let models: QoderDiscoveredModel[] = [];
     try {
       const liveModels: ModelInfo[] = await conversation.getAvailableModels({ fetchStrategy: 'live' });
diff --git a/src/qoder/runtime/custom-spawn.ts b/src/qoder/runtime/custom-spawn.ts
index 7d49b37..0d26ccc 100644
--- a/src/qoder/runtime/custom-spawn.ts
+++ b/src/qoder/runtime/custom-spawn.ts
@@ -8,6 +8,13 @@ import {
   type WindowsCmdShimSpawnSpec,
 } from './windows-cmd-shim';
 
+/**
+ * SDK-spawned sessions run qodercli in its "sdk" runtime mode, where
+ * CLI-configured custom providers (self-defined base URLs) stay disabled
+ * unless this opt-in is present — without it the CLI hides their models.
+ */
+const CUSTOM_PROVIDER_CLI_ENV = { QODER_SDK_CUSTOM_BASE_URL_BYOK: '1' } as const;
+
 /**
  * Spawn qodercli in Obsidian's Electron process.
  *
@@ -36,7 +43,7 @@ export function createCustomSpawnFunction(
     const resolvedSpawnSpec = resolveWindowsCmdShimSpawnSpec({ args, command });
     const child = spawn(resolvedSpawnSpec.command, resolvedSpawnSpec.args, {
       cwd,
-      env,
+      env: env ? { ...env, ...CUSTOM_PROVIDER_CLI_ENV } : env,
       // stderr is always piped so host code (e.g. the runtime probe) can read
       // CLI diagnostics such as "No qodercli login found". A drain listener is
       // attached below to avoid pipe backpressure when nobody else listens.
diff --git a/tests/unit/qoder/commands/probe-runtime-commands.test.ts b/tests/unit/qoder/commands/probe-runtime-commands.test.ts
index 9e0c0bd..e24f84d 100644
--- a/tests/unit/qoder/commands/probe-runtime-commands.test.ts
+++ b/tests/unit/qoder/commands/probe-runtime-commands.test.ts
@@ -349,4 +349,19 @@ describe('probeRuntimeCatalog', () => {
       fetchStrategy: 'live',
     });
   });
+  it('groups custom-provider models under Custom', async () => {
+    setInitMessage({});
+    sdkMock.setMockAvailableModels([
+      { value: 'gw-gpt', displayName: 'GW GPT', source: 'custom', isEnabled: true },
+      { value: 'auto', displayName: 'Auto', source: 'system', isEnabled: true },
+    ]);
+
+    const result = await probeRuntimeCatalog(createMockPlugin());
+
+    if ('error' in result) throw new Error('probe failed');
+    expect(result.models.map((model) => [model.value, model.group])).toEqual([
+      ['gw-gpt', 'Custom'],
+      ['auto', 'Qoder'],
+    ]);
+  });
 });
diff --git a/tests/unit/qoder/runtime/custom-spawn.test.ts b/tests/unit/qoder/runtime/custom-spawn.test.ts
index 06b1fd0..318f0e7 100644
--- a/tests/unit/qoder/runtime/custom-spawn.test.ts
+++ b/tests/unit/qoder/runtime/custom-spawn.test.ts
@@ -108,6 +108,26 @@ describe('createCustomSpawnFunction', () => {
     );
   });
 
+  it('opts every spawned CLI into custom providers', () => {
+    const mockProcess = createMockProcess();
+    spawnMock.mockReturnValue(mockProcess as unknown as ReturnType<typeof spawn>);
+
+    const spawnFn = createCustomSpawnFunction('/enhanced/path');
+    spawnFn({
+      command: 'node',
+      args: ['cli.js'],
+      cwd: '/tmp',
+      env: { PATH: '/usr/bin' },
+      signal: new AbortController().signal,
+    });
+
+    const spawnOptions = spawnMock.mock.calls[0][2];
+    expect(spawnOptions.env).toEqual({
+      PATH: '/usr/bin',
+      QODER_SDK_CUSTOM_BASE_URL_BYOK: '1',
+    });
+  });
+
   it('always pipes stderr so host code can read CLI diagnostics', () => {
     const mockProcess = createMockProcess();
     spawnMock.mockReturnValue(mockProcess as unknown as ReturnType<typeof spawn>);