Use Claude with free credit — no card needed
CheaperLLM gives you an OpenAI-compatible API key that routes to Anthropic Claude models. Sign up free, get credit, start building.
Python — swap the model name to switch providers instantly
from openai import OpenAI
client = OpenAI(
base_url="https://api.cheaperllm.com/v1",
api_key="YOUR_CHEAPERLLM_KEY",
)
response = client.chat.completions.create(
model="claude-sonnet-4-5",
messages=[{"role": "user", "content": "Hello from Claude via CheaperLLM!"}],
)
print(response.choices[0].message.content)
Anthropic Claude models available
All accessible with your single CheaperLLM key.
Claude Opus 4
Most capable, complex reasoning
Claude Sonnet 4
Balanced speed & intelligence
Claude Haiku
Fast and efficient, great for high volume
✓ Free AI credit on signup
✓ No card needed
✓ OpenAI-compatible
✓ Secured by Stripe
✓ Cancel anytime
Frequently asked questions
Is there really a free Claude API?
Yes. CheaperLLM gives you free AI credit on signup so you can try Claude and other models at no cost.
Do I need an Anthropic account?
No. One CheaperLLM account gives you access to Claude, GPT-4, Gemini, and 600+ more models.
Is the API OpenAI-compatible?
Yes. Swap in the CheaperLLM base URL and your existing OpenAI SDK code works as-is.