SiliconFlow free API key: how to get one
A set of models is free forever, at up to 1,000 requests a minute.
Checked October 2026. Limits are set by each company and change often.
SiliconFlow
- Kind
- Always free, no card needed
- Free limits
- A set of models is free forever, at up to 1,000 requests a minute.
- Models
- Qwen3 8B, GLM-4 9B and other small models
How to get it
- Sign up at cloud.siliconflow.com.
- Open API Keys and create one.
- Paste it under SiliconFlow and pick a model marked Free.
SiliconFlow models in MultiScreenAI
The free tier covers Qwen3 8B, GLM-4 9B and other small models; the others need paid usage on the same key.
Then use it with every other AI at once
Paste the key into MultiScreenAI next to any others you have. One message goes to every model on one screen, and test mode times them and hides the names. A few free keys together go a long way.
Questions
Is the SiliconFlow API key really free?
Yes, there is a free tier, with no card needed. A set of models is free forever, at up to 1,000 requests a minute.
Which models does a free SiliconFlow key reach?
Qwen3 8B, GLM-4 9B and other small models
Can I use the SiliconFlow key with other AIs at the same time?
Yes. Paste it into MultiScreenAI next to your other keys and one message goes to every model at once, answers side by side.
Other free API keys
- Gemini
- Groq
- OpenRouter
- Vercel AI Gateway
- Mistral
- Cerebras
- NVIDIA NIM
- SambaNova
- GLM (Z.ai)
- Cohere
- Hugging Face
- Ollama Cloud
- Fireworks
- Qwen
- Cloudflare Workers AI
- Pollinations
- OpenAI (ChatGPT)
- Claude (Anthropic)
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