Claude Opus 4 20250514
anthropic/claude-opus-4-20250514Claude Opus 4 20250514 (anthropic/claude-opus-4-20250514) is an AI model from Anthropic with a 200,000-token context window and 32,000 max output tokens, priced at $15.00/1M input and $75.00/1M output tokens. Available via the haimaker.ai OpenAI-compatible API.
Overview
Anthropic's Claude Opus 4, a frontier model with deep reasoning, coding mastery, and agentic task execution.
Features & Capabilities
| Mode | chat |
| Context Window | 200,000 tokens |
| Max Output | 32,000 tokens |
| Function Calling | Supported |
| Vision | Supported |
| Reasoning | Supported |
| Web Search | - |
| Url Context | - |
API Usage
from openai import OpenAI
client = OpenAI(
base_url="https://api.haimaker.ai/v1",
api_key="YOUR_API_KEY",
)
response = client.chat.completions.create(
model="anthropic/claude-opus-4-20250514",
messages=[
{"role": "user", "content": "Hello, how are you?"}
],
)
print(response.choices[0].message.content)Frequently Asked Questions
What is the context window of Claude Opus 4 20250514?
Claude Opus 4 20250514 (anthropic/claude-opus-4-20250514) has a 200,000-token context window and supports up to 32,000 output tokens per request.
How much does Claude Opus 4 20250514 cost?
Claude Opus 4 20250514 is priced at $15.00 per 1M input tokens and $75.00 per 1M output tokens when accessed via the haimaker.ai OpenAI-compatible API.
What features does Claude Opus 4 20250514 support?
Claude Opus 4 20250514 supports function calling, vision, reasoning.
How do I use Claude Opus 4 20250514 via API?
Send requests to https://api.haimaker.ai/v1/chat/completions with model "anthropic/claude-opus-4-20250514" using any OpenAI-compatible SDK. Authentication uses a Bearer API key from https://app.haimaker.ai.
Use Claude Opus 4 20250514 with the haimaker API
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