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litellm-config/scripts/proxy.py
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#!/usr/bin/env python3
"""
Alcozaky AI Proxy — OpenAI-compatible proxy
Routes & rotates between multiple free AI providers.
Usage: python3 /opt/ai-proxy/proxy.py
"""
import os, json, time, asyncio, random, hashlib
from fastapi import FastAPI, Request, HTTPException
from fastapi.responses import JSONResponse, StreamingResponse
from openai import AsyncOpenAI
import httpx
app = FastAPI(title="Alcozaky AI Proxy")
# ============================================================
# PROVIDERS CONFIG
# ============================================================
PROVIDERS = [
{
"name": "openrouter-1",
"client": lambda: AsyncOpenAI(
api_key=os.getenv("OPENROUTER_API_KEY_1"),
base_url="https://openrouter.ai/api/v1"
),
"models": [
"openai/gpt-4o-mini",
"google/gemini-2.0-flash-001",
"deepseek/deepseek-chat",
"anthropic/claude-3-haiku",
"meta-llama/llama-3.2-3b-instruct:free",
],
"priority": 1,
},
{
"name": "openrouter-2",
"client": lambda: AsyncOpenAI(
api_key=os.getenv("OPENROUTER_API_KEY_2"),
base_url="https://openrouter.ai/api/v1"
),
"models": [
"openai/gpt-4o-mini",
"meta-llama/llama-3.2-3b-instruct:free",
"google/gemini-2.0-flash-001",
],
"priority": 2,
},
{
"name": "openrouter-3",
"client": lambda: AsyncOpenAI(
api_key=os.getenv("OPENROUTER_API_KEY_3"),
base_url="https://openrouter.ai/api/v1"
),
"models": [
"openai/gpt-4o-mini",
"deepseek/deepseek-chat",
"meta-llama/llama-3.2-3b-instruct:free",
],
"priority": 3,
},
{
"name": "github-1",
"client": lambda: AsyncOpenAI(
api_key=os.getenv("GITHUB_TOKEN_1"),
base_url="https://models.inference.ai.azure.com"
),
"models": ["gpt-4o-mini", "gpt-4o"],
"priority": 4,
},
{
"name": "github-2",
"client": lambda: AsyncOpenAI(
api_key=os.getenv("GITHUB_TOKEN_2"),
base_url="https://models.inference.ai.azure.com"
),
"models": ["gpt-4o-mini"],
"priority": 5,
},
{
"name": "github-3",
"client": lambda: AsyncOpenAI(
api_key=os.getenv("GITHUB_TOKEN_3"),
base_url="https://models.inference.ai.azure.com"
),
"models": ["gpt-4o-mini"],
"priority": 6,
},
{
"name": "openrouter-2",
"client": lambda: AsyncOpenAI(
api_key=os.getenv("OPENROUTER_API_KEY_2"),
base_url="https://openrouter.ai/api/v1"
),
"models": [
"openai/gpt-4o-mini",
"meta-llama/llama-3.2-3b-instruct:free",
"anthropic/claude-3-haiku",
],
"priority": 2,
},
{
"name": "groq-1",
"client": lambda: AsyncOpenAI(
api_key=os.getenv("GROQ_API_KEY_1"),
base_url="https://api.groq.com/openai/v1"
),
"models": [
"llama-3.3-70b-versatile",
"mixtral-8x7b-32768",
"llama-3.1-8b-instant",
],
"priority": 10,
},
{
"name": "groq-2",
"client": lambda: AsyncOpenAI(
api_key=os.getenv("GROQ_API_KEY_2"),
base_url="https://api.groq.com/openai/v1"
),
"models": [
"llama-3.1-8b-instant",
],
"priority": 11,
},
{
"name": "groq-3",
"client": lambda: AsyncOpenAI(
api_key=os.getenv("GROQ_API_KEY_3"),
base_url="https://api.groq.com/openai/v1"
),
"models": [
"llama-3.1-8b-instant",
"llama-3.3-70b-versatile",
],
"priority": 12,
},
{
"name": "deepseek",
"client": lambda: AsyncOpenAI(
api_key=os.getenv("DEEPSEEK_API_KEY"),
base_url="https://api.deepseek.com/v1"
),
"models": ["deepseek-chat"],
"priority": 30,
},
{
"name": "together",
"client": lambda: AsyncOpenAI(
api_key=os.getenv("TOGETHER_API_KEY"),
base_url="https://api.together.xyz/v1"
),
"models": ["meta-llama/Llama-3.2-3B-Instruct-Turbo"],
"priority": 40,
},
{
"name": "huggingface",
"client": lambda: AsyncOpenAI(
api_key=os.getenv("HUGGINGFACE_API_KEY"),
base_url="https://api-inference.huggingface.co/v1"
),
"models": ["meta-llama/Llama-3.2-3B-Instruct"],
"priority": 50,
},
]
# Filter providers with valid API keys
active_providers = []
for p in PROVIDERS:
try:
c = p["client"]()
if c.api_key:
active_providers.append(p)
except Exception:
pass
provider_failures = {} # name -> timestamp of last failure
provider_cooldowns = {} # name -> cooldown until
# Model alias mapping
MODEL_ALIASES = {
"gpt-4o-mini": "openai/gpt-4o-mini",
"gpt4": "openai/gpt-4o-mini",
"fast": "llama-3.3-70b-versatile",
"cheap": "meta-llama/Llama-3.2-3B-Instruct-Turbo",
"gemini": "gemini-2.0-flash-exp",
"claude": "anthropic/claude-3-haiku",
}
def get_active_providers():
"""Return providers sorted by priority, excluding those in cooldown."""
now = time.time()
result = []
for p in sorted(active_providers, key=lambda x: x["priority"]):
# Check cooldown
if p["name"] in provider_cooldowns:
if now < provider_cooldowns[p["name"]]:
continue # Still in cooldown
else:
del provider_cooldowns[p["name"]]
result.append(p)
return result
def resolve_model(model_name):
"""Resolve model alias to actual model name."""
return MODEL_ALIASES.get(model_name, model_name)
@app.get("/health")
@app.get("/")
async def health():
return {"status": "ok", "providers": len(active_providers)}
@app.get("/v1/models")
async def list_models():
models = []
for p in get_active_providers():
for m in p["models"]:
models.append({
"id": m,
"provider": p["name"],
"object": "model",
"created": int(time.time()),
"owned_by": p["name"],
})
return {"object": "list", "data": models}
@app.post("/v1/chat/completions")
async def chat_completions(request: Request):
body = await request.json()
model = resolve_model(body.get("model", "gpt-4o-mini"))
messages = body.get("messages", [])
stream = body.get("stream", False)
max_tokens = body.get("max_tokens", 4096)
temperature = body.get("temperature", 0.7)
# Try each provider
providers = get_active_providers()
first_provider = None
last_error = None
for provider in providers:
if not first_provider:
first_provider = provider
client = provider["client"]()
actual_model = model
# Check if this provider has this model
# For OpenRouter: model names include prefix (e.g. openai/gpt-4o-mini)
# For others: use first available model if model not found
if model not in provider["models"]:
# Try to find closest match or use first model
if model.startswith("openai/") or model.startswith("google/") or model.startswith("anthropic/"):
# Only OpenRouter supports these prefixed models
if "openrouter" not in provider["name"]:
continue
else:
# Non-prefixed model - check if any provider model contains it
matches = [m for m in provider["models"] if model in m]
if not matches:
continue
actual_model = matches[0]
try:
if stream:
return await stream_response(client, actual_model, messages, max_tokens, temperature)
else:
response = await client.chat.completions.create(
model=actual_model,
messages=messages,
max_tokens=max_tokens,
temperature=temperature,
)
# Success! Reset failure count
if provider["name"] in provider_failures:
del provider_failures[provider["name"]]
return JSONResponse(content=response.model_dump())
except Exception as e:
last_error = str(e)
provider_failures[provider["name"]] = time.time()
# Cooldown for 30 seconds
provider_cooldowns[provider["name"]] = time.time() + 30
continue
# All providers failed
raise HTTPException(
status_code=503,
detail={
"error": "All providers failed",
"last_error": last_error,
"active_providers": len(providers),
}
)
async def stream_response(client, model, messages, max_tokens, temperature):
"""Handle streaming responses."""
response = await client.chat.completions.create(
model=model,
messages=messages,
max_tokens=max_tokens,
temperature=temperature,
stream=True,
)
async def generate():
async for chunk in response:
yield f"data: {chunk.model_dump_json()}\n\n"
yield "data: [DONE]\n\n"
return StreamingResponse(
generate(),
media_type="text/event-stream",
headers={
"Cache-Control": "no-cache",
"Connection": "keep-alive",
"X-Accel-Buffering": "no",
}
)
if __name__ == "__main__":
import uvicorn
port = int(os.getenv("PORT", "4000"))
host = os.getenv("HOST", "0.0.0.0")
print(f"🚀 Alcozaky AI Proxy starting on {host}:{port}")
print(f"📡 Providers loaded: {len(active_providers)}")
for p in active_providers:
print(f" ├ {p['name']}: {len(p['models'])} models")
print(f"🔀 Rotation: latency-based auto-fallback")
uvicorn.run(app, host=host, port=port)
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