Cerebras

Cerebras is the primary provider for QUASAR - best for tool calling and reliability.

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Get API Key

1. Go to cloud.cerebras.ai
2. Sign up or log in
3. Navigate to API Keys
4. Create a new API key

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Configuration

Add to your .env file:

CEREBRAS_API_KEY_1=csk_your_key_here
CEREBRAS_API_KEY_2=csk_your_second_key_here

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Available Models

Model	Description	Tool Calling
zai-glm-4.7	Primary, balanced	✅ Excellent
qwen-3-235b-a22b-instruct-2507	Large, powerful	✅ Excellent

Recommended

zai-glm-4.7 is the default and recommended model.

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Usage

# Auto mode (Cerebras is primary)
quasar "your request"

# Force Cerebras
quasar --model cerebras/zai-glm-4.7 "your request"

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Why Cerebras?

Feature	Cerebras	Others
Tool Calling	✅ Excellent	⚠️ Variable
Reliability	✅ High	⚠️ Variable
Speed	✅ Fast	✅ Fast
Context Length	✅ Large	✅ Large

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Rate Limits

Cerebras free tier includes:

• Generous request limits
• High token limits

Tip: Add multiple keys for heavy usage:

CEREBRAS_API_KEY_1=csk_first_key
CEREBRAS_API_KEY_2=csk_second_key