CLAUDE API
Claude models, one API call.
Run Anthropic's Claude 4 Sonnet, Claude 4 Opus, and Claude 3.7 Sonnet through Runcrate's OpenAI-compatible endpoint. Claude 4 Opus excels at complex analysis and extended thinking. Claude 4 Sonnet delivers strong performance on reasoning, coding, and analysis at competitive pricing. One API key, no Anthropic account needed.
QUICK START
Integrate in minutes.
from openai import OpenAI
client = OpenAI(
base_url="https://api.runcrate.ai/v1",
api_key="rc_live_YOUR_API_KEY",
)
response = client.chat.completions.create(
model="anthropic/claude-4-sonnet",
messages=[
{"role": "user", "content": "Analyze the trade-offs between microservices and monoliths for a startup."}
],
)
print(response.choices[0].message.content)AVAILABLE MODELS
Models you can use today.
| Model | Provider | Price | Detail |
|---|---|---|---|
| anthropic/claude-4-sonnet | Anthropic | Per-token | Strong reasoning, coding, and analysis |
| anthropic/claude-4-opus | Anthropic | Per-token | Most capable, extended thinking |
| anthropic/claude-3-7-sonnet-latest | Anthropic | Per-token | 200K context, hybrid thinking |
WHY RUNCRATE
Built for production.
Extended Thinking
Claude 4 Opus generates detailed internal reasoning before responding, excelling at complex analysis, math proofs, and multi-step logic problems.
200K Context Window
Process entire books, large codebases, or hundreds of pages of documentation in a single prompt without chunking or truncation.
Strong Coding
Claude excels at code generation, debugging, refactoring, and code review. Particularly strong at understanding complex codebases and suggesting improvements.
No Anthropic Account Needed
Access Claude through Runcrate's unified API. One API key, one billing account, alongside 200+ other models from every major provider.
COMPARISON
Runcrate vs Anthropic Direct.
| Feature | Runcrate | Anthropic Direct |
|---|---|---|
| API format | OpenAI-compatible | Anthropic Messages API |
| Other models | 200+ (DeepSeek, Llama, Qwen...) | Claude only |
| Billing | Prepaid credits (USD) | Pay-as-you-go |
| Rate limits | Flexible, credit-based | Tier-based |
| SDK compatibility | OpenAI SDK + Runcrate SDK | Anthropic SDK only |
FAQ