Following the worldwide viral adoption of DeepSeek-R1 and DeepSeek V4.1, the official DeepSeek web endpoint frequently suffers from "Server is busy, please try again later" and strict concurrency limits.
You do NOT need to wait or pay for API credits: This guide reveals how to tap verified, high-throughput global cloud hosts (NVIDIA NIM, Cloudflare Workers AI, Chutes, and ModelScope) that serve authentic DeepSeek and Qwen weights with 99.9% uptime and zero credit card requirements.
1. Overview: Top Free Chinese LLM Providers
| Provider | Flagship Models | Free Quota | No Card? | OpenAI Compatible? |
|---|---|---|---|---|
| NVIDIA NIM & Chutes | DeepSeek V4.1 Flash, DeepSeek-R1 (671B) | 1,000 Credits / High Concurrency | Yes | Yes (/v1/chat/completions) |
| SiliconFlow | DeepSeek-R1-Distill, Qwen 2.5, BGE | 1,000 RPM / 50k TPM | Yes | Yes (api.siliconflow.cn/v1) |
| Alibaba ModelScope | Qwen 2.5 Coder 32B, QwQ-32B, Qwen 3.5 | 2,000 RPD (500 RPD/model) | Yes | Yes (api-inference.modelscope.cn/v1) |
| Zhipu AI (Z.ai) | GLM-5.3-Flash, GLM-4.7-Flash | Permanent Free Tier | Yes | Yes (open.bigmodel.cn/api/paas/v4) |
2. DeepSeek V4.1 Flash & DeepSeek-R1: Free Access Blueprints
DeepSeek has set the benchmark for open-source AI. Instead of running heavy quantization locally with Ollama (which requires high-end VRAM), use these cloud endpoints:
A. NVIDIA NIM (DeepSeek V4.1 Flash)
NVIDIA hosts DeepSeek V4.1 Flash on enterprise HGX H100 clusters. Every new developer account receives 1,000 free inference credits upon email signup.
from openai import OpenAI
client = OpenAI(
base_url="https://integrate.api.nvidia.com/v1",
api_key="nvapi-YOUR_KEY_HERE"
)
response = client.chat.completions.create(
model="deepseek-ai/deepseek-v4.1-flash",
messages=[{"role": "user", "content": "Explain quantum decoherence simply."}],
temperature=0.6,
)
print(response.choices[0].message.content) B. Chutes.ai & Cloudflare (DeepSeek-R1 Full MoE)
For chain-of-thought mathematical reasoning, Chutes.ai provides a zero-setup OpenAI-compatible endpoint hosting the full 671B parameter DeepSeek-R1 model without credit card verification.
3. Alibaba ModelScope: Free Qwen 2.5 Coder 32B
Alibaba's Qwen 2.5 Coder has emerged as one of the premier open models for software engineering, rivaling proprietary commercial options on coding benchmarks.
Through Alibaba's ModelScope Free Inference API, developers receive 2,000 Requests Per Day with no billing setup:
- Endpoint:
https://api-inference.modelscope.cn/v1 - Recommended Model:
Qwen/Qwen2.5-Coder-32B-Instruct - Context Window: Up to 131,072 tokens with native Fill-In-The-Middle (FIM) support.
# Setup ModelScope with Cursor or Cline
export OPENAI_BASE_URL="https://api-inference.modelscope.cn/v1"
export OPENAI_API_KEY="YOUR_MODELSCOPE_SDK_TOKEN"
# Set model name: Qwen/Qwen2.5-Coder-32B-Instruct 4. SiliconFlow: The 1,000 RPM Free Tier Champion
SiliconFlow (siliconflow.cn) operates the highest free-tier rate limits tracked in our database. While most providers throttle free requests to 5–15 RPM, SiliconFlow provides:
- 1,000 Requests Per Minute (RPM)
- 50,000 Tokens Per Minute (TPM)
- Free hosted models:
deepseek-ai/DeepSeek-R1-Distill-Qwen-32B,Qwen/Qwen2.5-7B-Instruct, andBAAI/bge-large-zh-v1.5.
5. Zhipu AI (Z.ai): GLM-5.3-Flash with Web Search
Zhipu AI provides the GLM-5.3-Flash model completely free via its BigModel platform (open.bigmodel.cn). It features native search-grounding and tool-calling capabilities:
# Zhipu AI OpenAI-Compatible API
curl https://open.bigmodel.cn/api/paas/v4/chat/completions \
-H "Content-Type: application/json" \
-H "Authorization: Bearer YOUR_ZHIPU_API_KEY" \
-d '{
"model": "glm-5.3-flash",
"messages": [{"role": "user", "content": "Latest AI news summary"}],
"tools": [{"type": "web_search", "web_search": {"enable": true}}]
}' 6. Integrating Chinese Free APIs with Cursor, Claude Code, and Aider
Connect your preferred local IDE or terminal coding assistant to these free endpoints:
Cursor IDE Integration
- Open Cursor → Settings → Models.
- Toggle Override OpenAI Base URL to
ON. - Enter SiliconFlow (
https://api.siliconflow.cn/v1) or ModelScope (https://api-inference.modelscope.cn/v1). - Paste your API Token and add model
Qwen/Qwen2.5-Coder-32B-Instruct.
Claude Code CLI (Via Free OpenRouter Gateway)
export ANTHROPIC_BASE_URL="https://openrouter.ai/api/v1"
export ANTHROPIC_API_KEY="your_openrouter_free_key"
export CLAUDE_MODEL="deepseek/deepseek-r1:free"
claude 7. Frequently Asked Questions (FAQ)
How can I access DeepSeek V4.1 and DeepSeek-R1 API for free without payment or server busy errors?
While official deepseek.com API servers frequently experience 429 concurrency throttles and require paid balance top-ups, you can call DeepSeek for free via verified cloud distribution partners: NVIDIA NIM hosts DeepSeek-V4.1-Flash with 1,000 free inference credits, Chutes.ai offers free API access to DeepSeek-R1 (671B MoE reasoning), Cloudflare Workers AI provides DeepSeek V4.1 Flash with 10,000 daily free Neurons, and SiliconFlow hosts free distilled DeepSeek R1 models.
Which Chinese LLM provider offers the highest free rate limits?
SiliconFlow (siliconflow.cn) provides the most generous free-tier throughput in the industry: up to 1,000 Requests Per Minute (RPM) and 50,000 Tokens Per Minute (TPM) on selected open-weights models including DeepSeek R1 Distill and Qwen models, with zero credit card required.
Can I use Chinese free models like Qwen 2.5 Coder or GLM-5.3 in Cursor IDE or Claude Code?
Yes. All four major Chinese providers (SiliconFlow, Zhipu AI, Alibaba ModelScope, and Baidu via OpenRouter) provide standard OpenAI-compatible REST endpoints. You can drop their Base URL and API keys directly into Cursor Settings -> Models, or export ANTHROPIC_BASE_URL for Claude Code terminal workflows.
Do I need a Chinese mainland phone number or credit card to get these API keys?
No. ModelScope (Alibaba) and Zhipu AI (open.bigmodel.cn) support email signups and international registrations without requiring a credit card or domestic Chinese identity verification. Furthermore, platforms like Cloudflare Workers AI and NVIDIA NIM distribute these exact models globally with standard email auth.
Explore Active Free Models in Our Catalog
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