Fully OpenAI Compatible
Just change base_url and api_key to seamlessly connect any OpenAI SDK or HTTP client without modifying a single line of business code.
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Fully OpenAI Compatible · Multi-Model Routing
One Line of CodeAccess Domestic LLM APIs
Access DeepSeek, Zhipu, Qwen, Doubao and more in one place. High-availability relay, real-time billing, developer-friendly.
quickstart.py
from openai import OpenAI
client = OpenAI(
api_key="YOUR_API_KEY",
base_url="https://www.ciyuano.com/v1"
)
response = client.chat.completions.create(
model="deepseek-v4-flash",
messages=[{"role": "user", "content": "Hello!"}]
)
print(response.choices[0].message.content)Compatible with
and more
and more Limited Free：sensenova-6.7-flash-lite until December 9！View Models →
We Are Growing Fast
17+
Available Models
5
Upstream Providers
99.9%
Service Uptime
<200ms
Avg Latency
Supported Models
Access All Major LLMs in One Place
Covering DeepSeek, Zhipu, Qwen, Doubao and more, constantly expanding
Xiaomi MiMo
3 ModelsOpenAI
6 ModelsGPT‑5.4
gpt-5.4Input ¥2.5/1M·Output ¥15/1M
Context 125K tokens
GPT-5.4 mini
gpt-5.4-miniInput ¥0.75/1M·Output ¥4.5/1M
Context 125K tokens
GPT‑5.5
gpt-5.5Input ¥5/1M·Output ¥30/1M
Context 125K tokens
TTS v1 HD
tts-1-hdInput ¥0.03/1M·Output ¥0/1M
Whisper v1
whisper-1Input ¥0.006/1M·Output ¥0/1M
TTS v1
tts-1Input ¥0.015/1M·Output ¥0/1M
Agnes
5 ModelsAgnes 1.5 Flash
agnes-1.5-flashInput ¥0/1M·Output ¥0/1M
Context 125K tokens
Agnes 2.0 Flash
agnes-2.0-flashInput ¥0/1M·Output ¥0/1M
Context 125K tokens
Agnes Image 2.0 Flash
agnes-image-2.0-flashInput ¥0/1M·Output ¥0/1M
Context 125K tokens
Agnes Image 2.1 Flash
agnes-image-2.1-flashInput ¥2/1M·Output ¥8/1M
Context 125K tokens
Agnes-Video-V2.0
agnes-video-v2.0Input ¥2/1M·Output ¥8/1M
Context 125K tokens
Core Advantages
Built for Developers
One-stop AI API solution, integrating LLMs is as easy as breathing
Multi-Model Smart Routing
Support DeepSeek, GLM, Qwen and more with intelligent load balancing and automatic failover.
High Availability
Channel health checks, key pool rotation, automatic retries ensuring 99.9% API uptime.
Real-time Billing
Precise per-request token billing with visual dashboard for real-time usage and cost monitoring.
Streaming Response
Full SSE streaming support with real-time reasoning model thinking process, native-like experience.
Secure & Controllable
Independent API Key system, balance control, model whitelist, request log audit.
Quick Start
Get Started in 3 Steps
No code changes needed, migrate instantly
1
Register
Free registration with instant trial credits
2
Create API Key
Generate keys with one click in the dashboard
3
Integrate
Change base_url and start calling
Python
from openai import OpenAI
client = OpenAI(
api_key="YOUR_API_KEY",
base_url="https://www.ciyuano.com/v1"
)
response = client.chat.completions.create(
model="deepseek-v4-flash",
messages=[{"role": "user",
"content": "Hello!"}]
)Transparent Pricing
Simple, Pay-as-you-go Pricing
No monthly fees. Pay only for what you use. Free credits on registration.
| Provider | Model | Input | Output | Context |
|---|---|---|---|---|
| Agnes | agnes-1.5-flash | ¥0 | ¥0 | 125K |
| Agnes | agnes-2.0-flash | ¥0 | ¥0 | 125K |
| Agnes | agnes-image-2.0-flash | ¥0 | ¥0 | 125K |
 SenseNova | sensenova-6.7-flash-lite | ¥0 | ¥0 | 125K |
| openai | whisper-1 | ¥0.006 | ¥0 | 0K |
| openai | tts-1 | ¥0.015 | ¥0 | 0K |
| openai | tts-1-hd | ¥0.03 | ¥0 | 0K |
| openai | gpt-5.4-mini | ¥0.75 | ¥4.5 | 125K |
Comparison
Why Not Go Direct?
One API key, all models. No need to manage multiple vendor accounts.
| Feature | Ciyuano | Direct API | Other Relay |
|---|---|---|---|
| OpenAI Compatible | |||
| Multi-model Support | — | ||
| Auto Failover | — | — | |
| Key Pool Rotation | ✗ | — | |
| Smart Routing | ✗ | ✗ | |
| Usage Dashboard | ✗ | ✗ | |
| Free Trial Credits | ✗ | ✗ |
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Ready to Get Started?
Register for free trial credits, complete integration in 5 minutes. Supports DeepSeek, GLM, Qwen and all major models.