Low-Cost GPT-5.6 & Claude 5 API Gateway

Low-cost GPT-5.6 and Claude 5 API access

GPT-5.6 from $0.009/M

gpt-5.6-luna starts at $0.009 input / $0.054 output per 1M tokens on the Plus Account Route.

Claude 5 from $0.11/M

claude-sonnet-5 starts at $0.11 input / $0.55 output per 1M tokens on the Claude Sale Channel.

15 live-priced model entries

The public catalog currently lists GPT-5.6 Luna, Terra and Sol, Claude 5, Claude 4.x, GPT-5.5, GPT-5.4, GPT Image 2, and a versioned Claude alias.

OpenAI-compatible API

Point base_url to https://frugalrelay.me/v1. OpenAI-compatible chat completions and Anthropic-compatible messages are available by model.

Route-specific pricing

Prices vary by route. Compare Plus, Pro, Claude, and Claude Sale prices before choosing a model for production.

Pay as you go

Wallet-funded usage is available without a monthly minimum. Optional plans and route eligibility are shown in your dashboard.

Start using the Frugal Relay API

1. Create an account at frugalrelay.me
2. Generate an API key in the dashboard
3. Choose a route and model from the live pricing page
4. Update your base_url from https://api.openai.com/v1 to https://frugalrelay.me/v1

from openai import OpenAI

client = OpenAI(
    api_key="fr-your-key-here",
    base_url="https://frugalrelay.me/v1",
)

response = client.chat.completions.create(
    model="gpt-5.6-luna",
    messages=[{"role": "user", "content": "Summarize this issue."}],
)

Compare models and prices

GPT-5.6 & Claude 5 Pricing

Compare route-specific input and output prices in the AI API pricing guide.

Supported Models

See the current 15-entry public catalog in Supported Models.

Quick Start

Make your first OpenAI-compatible request in the Quick Start guide.

Cost Optimization Blog

Read practical GPT, Claude, and AI API cost guides in the Frugal Relay Blog.

AI API Cost Calculator

Estimate input, output, request, and retry costs with the free calculator.