🚀 How to Use Claude Fable 5, Opus 4.8, and Sonnet 4.7 for Free in Claude Desktop
Want to access powerful Claude models like Fable 5, Opus 4.8, and Sonnet 4.7 inside the official Claude Desktop app? Follow this guide to set everything up in just a few minutes.
📝 Step 1: Create an AeroLink Account
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Visit https://aerolink.lat/register?ref=OQLNN8E
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Click Sign Up.
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Create your account and verify it if required.
💬 Step 2: Connect Your Telegram Account
After signing in:
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Open your AeroLink dashboard.
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Connect your Telegram account by following the on-screen instructions.
This is required before generating your API key.
🔑 Step 3: Generate Your API Key
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Navigate to the API Keys section.
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Create a new API key.
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Copy the API key—you'll need it later.
⚠️ Keep your API key private. Never share it publicly.
💻 Step 4: Download Claude Desktop
Download and install the official Claude Desktop application.
After installation:
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Sign in to your Claude account.
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Wait for the application to finish loading.
🛠️ Step 5: Enable Developer Mode
Inside Claude Desktop:
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Click the ☰ Menu (three horizontal bars).
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Select Help.
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Click Troubleshoot.
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Enable Developer Mode.
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Allow Claude Desktop to restart.
⚙️ Step 6: Open Third-Party Inference Settings
After Claude restarts:
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Click the ☰ Menu again.
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Open Developer.
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Click Configure Third-Party Inference.
🔧 Step 7: Configure AeroLink
Fill in the settings exactly as shown below.
Credential Kind
Static API Key
Gateway Base URL
https://capi.aerolink.lat/
Gateway API Key
Paste the API key you copied from AeroLink.
Gateway Auth Scheme
x-api-key
✅ Step 8: Apply Changes
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Click Apply Changes.
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(Optional) Click Test or Check Model Discovery to verify your setup.
If everything is configured correctly, Claude will discover and enable all available models automatically.
🎉 You're All Set!
You can now access supported models, including:
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✨ Claude Fable 5
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🧠 Claude Opus 4.8
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⚡ Claude Sonnet 4.7
Enjoy using these models directly from the official Claude Desktop app.
💡 Tips
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Keep your AeroLink API key secure.
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If models don't appear immediately, restart Claude Desktop once.
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Double-check that the Gateway Base URL and authentication settings are entered exactly as shown.



