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DeepSeek API ​

120 AI Chat lets you connect your own DeepSeek API key for DeepSeek models.

API Key Setup Guide ​

  1. Visit platform.deepseek.com.
  2. Create an account, add billing if needed, and generate an API key.
  3. In 120 AI Chat → Settings → AI Providers, paste your key into the DeepSeek Key field.

💡 Billing is managed directly by DeepSeek.

Example pricing (Mar 2026):

  • DeepSeek Chat (deepseek-chat / DeepSeek-V3.2): $0.028 / 1M input tokens (cache hit), $0.28 / 1M input tokens (cache miss), $0.42 / 1M output tokens.
  • DeepSeek Reasoner (deepseek-reasoner / DeepSeek-V3.2): pricing is listed alongside the latest model details in DeepSeek's pricing docs.

See the latest rates at DeepSeek Pricing.