Claude Sonnet 4 5 20250929
anthropic/claude-sonnet-4-5-20250929Chat
Context Window
200K
tokens
Max Output
64K
tokens
Input Price
$3.00
/1M tokens
Output Price
$15.00
/1M tokens
Overview
Anthropic's Claude Sonnet 4.5, combining strong reasoning and coding with efficient speed for production workloads.
Features & Capabilities
| Mode | chat |
| Context Window | 200K tokens |
| Max Output | 64K tokens |
| Function Calling | Supported |
| Vision | Supported |
| Reasoning | Supported |
| Web Search | Supported |
| 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-sonnet-4-5-20250929",
messages=[
{"role": "user", "content": "Hello, how are you?"}
],
)
print(response.choices[0].message.content)Use Claude Sonnet 4 5 20250929 with the haimaker API
OpenAI-compatible endpoint. Start building in minutes.