# Cerebras free API key: how to get one

> Free trial Cerebras API key. 5 requests a minute and up to 1 million tokens a day on the trial models. Step by step setup, checked October 2026.

- Kind: Free trial (needs a card)
- Limits: 5 requests a minute and up to 1 million tokens a day on the trial models.
- Models: GPT-OSS 120B, Gemma 4 31B
- Get the key: https://cloud.cerebras.ai

## Steps

1. Sign up at cloud.cerebras.ai.
2. Open API Keys and create one.
3. Paste it under Cerebras.

## Cerebras models in MultiScreenAI

The free tier covers GPT-OSS 120B, Gemma 4 31B; the others need paid usage on the same key.

- GPT-OSS 120B: https://www.multiscreenai.com/models/gpt-oss-120b
- Llama 3.3 70B: https://www.multiscreenai.com/models/llama-3-3-70b
- Qwen3 235B: https://www.multiscreenai.com/models/qwen3-235b

## Use it with every other AI at once

Paste the key into MultiScreenAI (https://www.multiscreenai.com) and ask every model at once, side by side, with a blind test mode. Agents can do the same over MCP: https://www.multiscreenai.com/mcp