OpenAI-Compatible API

LLM APIs at
90% Off

Access GPT-5, Claude, Gemini, DeepSeek through one unified API. Credits never expire. No KYC. Bitcoin accepted.

curl https://llm.cheapaiapi.com/v1/chat/completions \
  -H "Authorization: Bearer sk_live_..." \
  -H "Content-Type: application/json" \
  -d '{
    "model": "gpt-5",
    "messages": [
      {"role": "user", "content": "Hello!"}
    ]
  }'

All Major Models, One API

Drop-in replacement for OpenAI SDK — just change base_url

OpenAISave 92%

GPT-5

Input$0.40/1M
Output$3.00/1M
AnthropicSave 90%

Claude Sonnet 4

Input$0.45/1M
Output$2.25/1M
GoogleSave 89%

Gemini 2.5 Pro

Input$0.18/1M
Output$1.40/1M
DeepSeekSave 50%

DeepSeek V3

Input$0.00/1M
Output$0.01/1M

Simple, Transparent Pricing

No subscriptions. No minimum spend. Add funds to your account and pay only for what you use. Funds never expire.

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Add Any Amount

From $1 to $1,000. Top up your balance whenever you need.

Pay Per Request

Each API call costs fractions of a cent. Use GPT-5 for ~$0.01/request.

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No Expiry

Your balance never expires. No hidden fees. No auto-renewals.

Get Started — Add Funds

Bitcoin, Lightning & Monero accepted via BTCPay Server