Build with your API key
Build a website with your DeepSeek API key
Facts last verified: . Provider pricing and free tiers change — check their site for current numbers.
Yes — DeepSeek is one of the cheapest ways to build websites with AI. Its models cost a fraction of Western flagship rates while delivering strong code quality. Create a key at platform.deepseek.com, paste it into OpenThorn (free, encrypted server-side), and a typical site costs low single-digit cents.
Get your key
Official pricing
Free tier
No free tier, but prepaid credit starts very low and per-token prices are among the lowest in the industry.
Recommended models
- DeepSeek Chat — The default — strong general coding ability at very low cost.
- DeepSeek Reasoner — Adds explicit reasoning for more complex builds; still inexpensive.
How to build your website
- Create a DeepSeek API keySign up at platform.deepseek.com, top up a small prepaid balance, and create a key under API Keys.
- Note the prepaid capYour prepaid balance is a hard spend cap — usage simply stops when it runs out, so costs can never surprise you.
- Connect the key to OpenThornSign up free at openthorn.app, open the Providers page, choose DeepSeek, 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 DeepSeek Chat or Reasoner, and describe the site. Preview it live, iterate, then deploy to Netlify or export the source.
What it costs
DeepSeek's per-token prices are typically 10–20× lower than Western flagship models. A complete website usually costs low single-digit cents in API usage.
Common questions
Is DeepSeek good enough to build a real website?
Yes. DeepSeek's recent models score competitively with Western flagships on coding benchmarks while costing a fraction per token. For most landing pages and multi-page sites the output quality is strong, and OpenThorn's verification gate catches compile errors before you ship.
How much does a website cost with the DeepSeek API?
Usually low single-digit cents per complete site — DeepSeek's per-token rates are typically 10–20× lower than flagship Western models. There is no OpenThorn fee on top.
Is my DeepSeek 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. Your prepaid balance also caps maximum spend by design.
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 · Mistral AI · Groq · Together AI · xAI · Cohere · Perplexity · OpenRouter · Ollama · Fireworks AI · Cerebras · Azure OpenAI · Amazon Bedrock · NVIDIA NIM