Build with Cosmic Duck

One API. 10 providers. 90+ endpoints. 150+ models.

Access Claude, GPT-5, Gemini, Grok, DeepSeek, ElevenLabs, HeyGen, and more through a single API key. Generate images, video, speech, music — or orchestrate multi-model agents.

Get API Key Quickstart

Claude Code Integration

Give Claude Code access to every AI provider with one command.

Install the MCP server
npx @quantum-encoding/cosmic-duck-mcp setup qai_k_YOUR_KEY
Or add to ~/.claude/mcp.json
{
  "servers": {
    "cosmic-duck": {
      "command": "npx",
      "args": ["@quantum-encoding/cosmic-duck-mcp"],
      "env": { "QAI_API_KEY": "qai_k_YOUR_KEY" }
    }
  }
}
generate_image
generate_video
text_to_speech
generate_music
sound_effects
web_search
rag_search
clone_voice
rent_gpu

Claude thinks. Cosmic Duck creates.

SDKs in 4 languages

Full API coverage. Every endpoint, every feature.

Go

go get github.com/quantum-encoding/quantum-sdk
GitHub →

Rust

cargo add quantum-sdk
GitHub →

Python

pip install quantum-sdk
GitHub →

TypeScript

npm i @quantum-encoding/quantum-sdk
GitHub →
Generate an image in 3 lines
import { QuantumClient } from '@quantum-encoding/quantum-sdk';

const client = new QuantumClient('qai_k_YOUR_KEY');
const image = await client.generateImage({
  model: 'grok-imagine-image',
  prompt: 'A cosmic duck in space, digital art'
});

90+ Endpoints

Everything you need to build AI-powered applications.

Chat & Agents

  • Multi-model chat (streaming SSE)
  • Session-based chat (server-managed history)
  • Agent orchestration (conductor/workers)
  • Mission execution (full project in one call)
  • Batch processing (50% pricing)

Media

  • Image generation (15+ models)
  • Image editing / inpainting
  • Video generation (6 providers)
  • Text-to-speech (6 providers)
  • Voice cloning + dialogue
  • Music + sound effects

Voice

  • Realtime voice (direct WebSocket)
  • Speech-to-text
  • Speech-to-speech conversion
  • Voice isolation + remixing
  • Audio dubbing

Infrastructure

  • GPU/CPU rental (T4 to H100)
  • Scoped API keys + spend caps
  • RAG search (Vertex + SurrealDB)
  • Document extraction
  • Embeddings
Base URL https://api.quantumencoding.ai

Developer Program

Build on our API. Higher volume = lower costs.

Standard

25%

Default for all users. No application needed.

  • All 90+ endpoints
  • Scoped API keys
  • Credit-based billing
  • No monthly commitment
Get Started
POPULAR

Developer

12.5%

For devs building apps on our API. Half the margin.

  • Everything in Standard
  • 50% lower margin
  • Priority support
  • $50/month minimum usage
Apply Now

Enterprise

5%

High-volume integrations. Custom terms available.

  • Everything in Developer
  • Near-cost pricing
  • Dedicated support
  • $500/month minimum usage
Contact Sales

Powered by 10 providers

Anthropic Claude OpenAI GPT-5 Google Gemini xAI Grok Vertex AI DeepSeek ElevenLabs HeyGen Meshy 3D Z.ai / Zhipu

Start building today

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