⚡ Live — Global Edge Network

Unified AI API
Gateway

Access GPT-4o, DeepSeek, Grok, Llama, Qwen and more through a single OpenAI-compatible API. 4 models free forever.

15
Models
5
Free Forever
6
Providers
200+
Edge Locations
Why AI66
Enterprise Power, Zero Friction

One API key for all models. OpenAI SDK compatible. Plug and play.

Free Models

4 models free forever. Qwen 2.5, Llama 3.1, Gemma 2, Phi-4 — no credit card needed.

🔄

Auto Failover

Multi-backend routing with automatic failover. If one provider fails, we switch instantly.

🤖

15+ Models

GPT-4o, DeepSeek-R1, Grok-3, Llama 4, Qwen 72B and more. One key, all models.

🔒

Transparent Billing

Per-request cost in headers. Pay-as-you-go with USDT. No hidden fees, no surprises.

Available Models
Choose Your Model

All pricing per million tokens. Free models have zero cost, unlimited use.

Quick Start
3 Lines to Start

Standard OpenAI format. Works with any SDK instantly.

cURL
# Replace YOUR_API_KEY with your key
curl https://ai66-relay.titangrid.workers.dev/v1/chat/completions \
  -H "Authorization: Bearer sk-ai66-xxxxx" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "llama-3.1-8b",
    "messages": [{"role": "user", "content": "Hello!"}]
  }'
Python
from openai import OpenAI

client = OpenAI(
    api_key="sk-ai66-xxxxx",
    base_url="https://ai66-relay.titangrid.workers.dev/v1"
)
# Free model - no charge!
r = client.chat.completions.create(
    model="llama-3.1-8b",
    messages=[{"role": "user", "content": "Hello!"}]
)
print(r.choices[0].message.content)

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Dashboard

Manage keys, monitor usage, test models, recharge balance.

Balance
$0.00
Today Requests
0
Total Requests
0
Total Spent
$0.00
🔑 API Key
sk-ai66-****

Base URL: https://ai66-relay.titangrid.workers.dev/v1

Response
Response will appear here...

Usage by Model

ModelRequestsInput TokensOutput TokensCost

Recent Requests

ModelInOutCostTime
cURL
curl https://ai66-relay.titangrid.workers.dev/v1/chat/completions \
  -H "Authorization: Bearer YOUR_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "llama-3.1-8b",
    "messages": [{"role": "user", "content": "Hello!"}]
  }'
Python
from openai import OpenAI

client = OpenAI(
    api_key="YOUR_KEY",
    base_url="https://ai66-relay.titangrid.workers.dev/v1"
)
r = client.chat.completions.create(
    model="gpt-4o",
    messages=[{"role": "user", "content": "Hello!"}]
)
print(r.choices[0].message.content)
JavaScript
import OpenAI from "openai";

const client = new OpenAI({
  apiKey: "YOUR_KEY",
  baseURL: "https://ai66-relay.titangrid.workers.dev/v1"
});

const r = await client.chat.completions.create({
  model: "gpt-4o",
  messages: [{ role: "user", content: "Hello!" }]
});
console.log(r.choices[0].message.content);

USDT Recharge

Send USDT to the address below. Balance updates within 5-30 minutes.

BEP-20 (BSC) ERC-20 (ETH)
0x1fd24c3c45c432daccd446ee01966658470a75b9
  • ⚠️ Confirm network is BEP-20 or ERC-20
  • 💬 Include your registered email in the memo
  • ⏰ Processing time: 5-30 minutes
  • 💵 Rate: 1 USDT = $1.00 credit
  • ✨ Free models are always free, no recharge needed