Cerebras free API key: how to get one
5 requests a minute and up to 1 million tokens a day on the trial models.
Checked October 2026. Limits are set by each company and change often.
Cerebras
- Kind
- Free trial, card required
- Free limits
- 5 requests a minute and up to 1 million tokens a day on the trial models.
- Models
- GPT-OSS 120B, Qwen3.8 27B
How to get it
- Sign up at cloud.cerebras.ai.
- Open API Keys and create one.
- Paste it under Cerebras.
Cerebras models in MultiScreenAI
The free tier covers GPT-OSS 120B, Qwen3.8 27B; 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 Cerebras API key really free?
There is a free trial, though it asks for a card. 5 requests a minute and up to 1 million tokens a day on the trial models.
Which models does a free Cerebras key reach?
GPT-OSS 120B, Qwen3.8 27B
Can I use the Cerebras 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
- NVIDIA NIM
- SambaNova
- SiliconFlow
- GLM (Z.ai)
- Cohere
- Hugging Face
- Fireworks
- Qwen
- Cloudflare Workers AI
- Pollinations
- OpenAI (ChatGPT)
- Claude (Anthropic)
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