Build with your API key
Build a website with your Cerebras API key
Facts last verified: . Provider pricing and free tiers change — check their site for current numbers.
Yes — Cerebras serves open models at thousands of tokens per second on wafer-scale hardware, the fastest inference commercially available. It offers a free API tier, so you can build your first OpenThorn website for $0 with near-instant agent iterations. Create a key at cloud.cerebras.ai and paste it into OpenThorn.
Get your key
Official pricing
Free tier
Yes — a free tier with daily token limits, no credit card required.
Recommended models
- GPT OSS 120B — OpenAI's open-weight model at extreme speed — the strongest choice.
- Llama 4 Scout 17B — Light, fast, capable for simpler sites.
- Llama 3.3 70B — Reliable open model, very cheap.
How to build your website
- Create a Cerebras API keySign up at cloud.cerebras.ai and create a key — the free tier requires no payment details.
- Optionally upgrade for higher limitsPaid tiers unlock higher daily token budgets; set alerts in the dashboard.
- Connect the key to OpenThornSign up free at openthorn.app, open the Providers page, choose Cerebras, and paste your key. It is encrypted server-side with AES-256-GCM and never exposed raw.
- Describe your website and ship itCreate a project, pick a model, and watch generation stream at thousands of tokens per second. Preview, iterate, then deploy or export.
What it costs
Free tier covers first sites at $0 within daily limits; paid open-model rates make a complete website cost well under ten cents.
Common questions
Why is Cerebras so fast?
Cerebras builds wafer-scale chips — entire silicon wafers acting as one processor — which serve open models at thousands of tokens per second, typically the fastest inference commercially available. For an iterative agent like OpenThorn's, that means near-instant build cycles.
Can I use Cerebras with OpenThorn for free?
Yes — Cerebras offers a free API tier with daily token limits and no credit card, and OpenThorn is free, so your first websites cost $0.
Is my Cerebras API key safe in OpenThorn?
Keys are encrypted server-side with AES-256-GCM using per-user derived keys and are never exposed raw to the browser. You can rotate the key in the Cerebras dashboard at any time.
New here? Read how to build a website with AI using your own key, how to get an AI API key, or compare model pricing. Other providers: OpenAI · Anthropic · Google Gemini · DeepSeek · Mistral AI · Groq · Together AI · xAI · Cohere · Perplexity · OpenRouter · Ollama · Fireworks AI · Azure OpenAI · Amazon Bedrock · NVIDIA NIM