Overview of Popular AI Large Model Platforms 
Since the debut of ChatGPT 3 sparked a wave of AI large model trends, various AI platforms have emerged like mushrooms after rain, both domestically and internationally. Want to experience these powerful AI capabilities? Don't worry about high costs! Many platforms offer free APIs or free quotas, allowing you to explore the charm of artificial intelligence at zero cost.
This article will review some commonly used AI large model platforms that offer free trials, making it easy for everyone to take a look. While there are many other platforms on the market, the following are ones I personally use frequently and consider worth recommending.
Domestic Platforms 
- Moonshot AI Kimi
Website: https://www.moonshot.cn/
API Console: https://platform.moonshot.cn/console
Modality: Text, chat, translation, etc.
Free Quota:
 Maximum requests per minute: 3
 Maximum tokens per minute: 32,000
 Maximum tokens per day: Unlimited
API Endpoint: https://api.moonshot.cn/v1
OpenAI Compatible: Yes
Available Models:
 moonshot-v1-8k: A model with a length of 8k, suitable for generating short text.
 moonshot-v1-32k: A model with a length of 32k, suitable for generating long text.
 moonshot-v1-128k: A model with a length of 128k, suitable for generating very long text.
- DeepSeek
Website: https://www.deepseek.com/
API Console: https://platform.deepseek.com/
Modality: Text, chat, translation, etc.
Free Quota: None
 API Endpoint: https://api.deepseek.com/v1
 OpenAI Compatible: Yes
 Available Model: deepseek-chat
- Zhipu AI (Tsinghua)
Website: https://bigmodel.cn/
API Console: https://bigmodel.cn/console
Modality: Multimodal, text, vision, speech, etc.
Free Quota: Each model has a free quota.
 API Endpoint: https://open.bigmodel.cn/api/paas/v4/
 OpenAI Compatible: Yes
 Model Series: GLM-4, GLM-4V, CogVideoX, CogView-3-Plus, GLM-4-AllTools
- Baichuan AI
Website: https://www.baichuan-ai.com/
API Console: https://platform.baichuan-ai.com/console
Modality: Text, chat, translation, etc.
Free Quota: ¥80 credit
 API Endpoint: https://api.baichuan-ai.com/v1
 OpenAI Compatible: Yes
 Model Series: Baichuan4, Baichuan3
- iFlytek Spark
Website: https://xinghuo.xfyun.cn/
API Console: https://xinghuo.xfyun.cn/sparkapi
Modality: Multimodal, text, image, speech
Free Quota: Spark Lite model is completely free; other models offer free credits.
 API Endpoint: No unified endpoint
 OpenAI Compatible: No
 Model Series: Multiple
International Platforms 
- DeepGram
Website: https://deepgram.com/
Use Case: Speech recognition, speech synthesis
 Free Quota: $200 credit upon registration
 OpenAI Compatible: No
 VPN Required: No
- ElevenLabs
Website: https://elevenlabs.io/
Use Case: Speech synthesis, voice cloning
 Free Quota: 10 minutes of audio synthesis per month
 OpenAI Compatible: No
 VPN Required: No
- GroqCloud
Website: https://groq.com/
Use Case: Text chat, translation, speech recognition
 Free Quota: Generous
 VPN Required: Yes
 OpenAI Compatible: Yes
 API Endpoint: https://api.groq.com/openai/v1
- X.ai
Website: https://console.x.ai/
Use Case: Text chat, translation
 Free Quota: $20 credit
 VPN Required: Yes
 OpenAI Compatible: Yes
 API Endpoint: https://api.x.ai/v1
Note that free quotas are usually limited, so it's recommended to plan resources wisely during trials and pay attention to each platform's specific usage rules.
Hope this overview helps you quickly find the right AI platform for you and start your AI exploration journey! If you have other recommended free or low-cost AI platforms, feel free to share them in the comments!
