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Hybrid Model API
🐾 Recommended for OpenClaw

Opus Brain,
GPT Speed

One API call. Opus thinks and reviews, GPT codes and executes. 20% cheaper than official rates, same quality. Just swap the endpoint.

Opus 4.6
$5/MTok
orchestrate
GPT-5.4
$2.50/MTok
Best Use Case

A Smarter Backend for OpenClaw

OpenClaw needs an LLM backend to power its agent workflows. With AI Duet, Opus handles decisions and review, GPT handles coding and execution. Every call gets Opus-level quality, 20% cheaper.

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Swap the Endpoint

Replace the API URL in your OpenClaw config with api.aiduet.app and enter your AI Duet key.

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Auto Orchestration

Every instruction is analyzed by Opus, with coding tasks automatically delegated to GPT for high-speed execution.

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Quality + Savings

Opus reviews GPT's output to ensure quality. Overall token usage is 60% less than pure Opus.

openclaw.config
api_url = "https://api.aiduet.app"
api_key = "hr-your-key-here"
model   = "opus-4.6"
Core Advantages

Why AI Duet

🎯

Opus Thinks, GPT Codes

Opus analyzes intent, breaks down tasks, reviews results. GPT takes over coding at full speed. Each model does what it's best at.

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20% Cheaper

Every token is 20% below official API rates. Opus at $4/M input, GPT at $2/M input. Pay per token, no subscriptions.

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Dual Format

Anthropic Messages API and OpenAI Chat API both work. OpenClaw, Cursor, your own system β€” just swap the endpoint.

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Real-time Streaming

SSE streaming delivers Opus thinking and GPT code output in real time. Same experience as a direct API connection.

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Transparent Costs

Per-request token usage and cost breakdown, visible in real time. Pre-load balance, no commitments, no subscriptions.

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One-line Setup

Swap the API endpoint and key. Works with OpenClaw, Cursor, Continue, Cline, and all major AI coding tools.

How It Works

One Call, Three-Step Duet

01

Opus Plans

Opus receives the request, understands intent, and generates execute_code tool call instructions.

02

GPT Codes

GPT executes coding tasks at high speed, generates code and returns results. Fast and affordable.

03

Opus Reviews

Opus reviews code quality, confirms accuracy, then returns the final response. Loops again if needed.

Pricing

Pay As You Go

No monthly fees. No hidden costs. Pre-load balance, pay per token.

Official API

Opus 4.6

Most intelligent model for agents and coding

Input
$5.00
Output
$25.00
GPT-5.4

High-speed execution model, best value

Input
$2.50
Output
$10.00

/ 1M tokens

Single model, no orchestration

Save 20%

AI Duet

Opus 4.6

Most intelligent model for agents and coding

Input
$4.00
Output
$20.00
GPT-5.4

High-speed execution model, best value

Input
$2.00
Output
$8.00

/ 1M tokens

Opus reviews + GPT codes, auto orchestration

  • Opus + GPT smart orchestration
  • Anthropic / OpenAI dual format
  • SSE real-time streaming
  • Transparent usage details
  • Pre-load balance pay-per-use
Top Up Now

Swap the Endpoint, Save 20%

One config change to give OpenClaw, Cursor, and more the power of Opus + GPT orchestration.

Sign Up Free

Free to sign up Β· Pay as you go Β· Cancel anytime