I Built an AI Image Generator for $0.003/Image — Here's the Full Tutorial (2026)

I was comparing AI APIs last week and stumbled across something that made me do a double-take: $0.003 per image for Flux Schnell. That's 5× cheaper than the official Black Forest Labs pricing. The API is called NexaAPI , and it gives you a single OpenAI-compatible key to access 50+ models — Flux, Veo 3, Kling, Sora, Stable Diffusion, Whisper, TTS, and more. Here's the complete tutorial. Setup pip install nexaapi # or npm install nexaapi Get your API key from RapidAPI (free tier available). Your First Image in 3 Lines from nexaapi import NexaAPI client = NexaAPI ( api_key = " YOUR_API_KEY " ) print ( client . images . generate ( model = " flux-schnell " , prompt = " a red panda coding " ). image_url ) import NexaAPI from ' nexaapi ' ; const client = new NexaAPI ({ apiKey : ' YOUR_API_KEY ' }); const { imageUrl } = await client . images . generate ({ model : ' flux-schnell ' , prompt : ' a red panda coding ' }); console . log ( imageUrl ); That's it. $0.003. One API key. Full Image Gener