After creating account and API key from Fireworks - Fastest Inference for Generative AI Fireworks AI Endpoint - https://api.fireworks.ai/inference Fireworks API key - MMM*************************************

Elephas → Preference → AI Providers → Custom AI and enter the API endpoint and API key which you got from https://openrouter.ai/settings/keys

Tap on refresh model.

Now go to Elephas → Preference → General. Now you can pick a model from custom AI.