Goal: Build/resell an AnyChat-style live chat platform with unlimited AI chats/month and user-supplied OpenAI (ChatGPT) API keys for billing/access.

Also consider: AI Assist (GPT-powered) add-on options.

DeepSeek: Free unlimited chatbot on their platform; API billed by tokens—potentially cost-effective.

Best-fit options by need

Need Suggested Platforms
Use your own API key Social Intents, PulsarChat, TeamSmart AI
Unlimited chats/month ChatMaxima (flat/lifetime pricing)
White-label / Resell Planify X, Convert Chat