Claude Opus 4.5
anthropic/claude-opus-4.5Chat
Context Window
200K
tokens
Max Output
32K
tokens
Input Price
$5.00
/1M tokens
Output Price
$25.00
/1M tokens
Overview
Anthropic's most intelligent model with exceptional analysis, creative writing, coding, and extended thinking for deep reasoning.
Features & Capabilities
| Mode | chat |
| Context Window | 200K tokens |
| Max Output | 32K 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-4.5",
messages=[
{"role": "user", "content": "Hello, how are you?"}
],
)
print(response.choices[0].message.content)Use Claude Opus 4.5 with the haimaker API
OpenAI-compatible endpoint. Start building in minutes.