Free API Hub
Free AI API Directory: Credits, OpenAI Compatibility, and Developer Free Tiers
A focused hub for free LLM APIs, API credits, OpenAI-compatible endpoints, and developer-friendly AI deals.
Quick comparison
| Provider | Free credits | China access | API | Best for |
|---|---|---|---|---|
| DeepSeek | $5 | Direct | OpenAI-compatible / similar | chat / coding / reasoning |
| Qwen (Alibaba) | 7000 万 tokens（新用户一次性） | Direct | OpenAI-compatible / similar | chat / coding / reasoning |
| Grok (xAI) | $25/月 | Depends | OpenAI-compatible / similar | chat / coding / reasoning |
| ChatGLM (Zhipu AI) | 500万 tokens | Direct | OpenAI-compatible / similar | chat / coding / image |
| Tencent Hunyuan | 100万 tokens | Direct | OpenAI-compatible / similar | chat / image / video |
| MiniMax | ¥15 | Direct | OpenAI-compatible / similar | chat / audio / video |
| Groq | Free tier（永久免费） | Depends | OpenAI-compatible / similar | chat / coding / reasoning |
| Cloudflare Workers AI | 每天 10000 神经元（永久有效） | Direct | OpenAI-compatible / similar | api / chat / image |
| NVIDIA Build (NIM API) | 无限制（已取消额度限制） | Direct | OpenAI-compatible / similar | api / chat / coding |
Recommended starting points
DeepSeek API free credits
Signup credits, low pricing, OpenAI SDK compatibility, and strong coding/reasoning models.
Qwen free API
Alibaba Bailian credits, Chinese/coding strength, and compatible-mode endpoint.
Tencent Hunyuan API
Tencent Cloud credits, China-friendly access, and OpenAI-compatible usage notes.
NVIDIA Build free API
NIM models, free developer API access, and GPU/LLM experimentation.