Claude 4.5 Sonnet
Claude Sonnet 4.5 is Anthropic’s latest AI model in the Claude 4 family, designed to balance speed and intelligence. Compared to the flagship Claude 4.5, Sonnet is lighter and faster, making it ideal for real-time applications such as chatbots, customer support, and enterprise knowledge assistants. It delivers strong performance in text generation, comprehension, and creative writing while keeping latency low. Sonnet 4.5 also inherits Anthropic’s focus on safety and alignment, producing reliable and contextually appropriate outputs. This makes it a practical choice for organizations seeking efficiency without compromising quality or trustworthiness.
Capability
Vision Support
Tools
Function Calling
Context Window
200,000
Max Output Tokens
8,192
Using Claude 4.5 Sonnet with Python API
Using Claude 4.5 Sonnet with OpenAI compatible API
import openai
client = openai.Client(
api_key= '{your_api_key}',
base_url="https://api.model.box/v1",
)
response = client.chat.completions.create(
model="anthropic/claude-4-5-sonnet",
messages: [
{
role: 'user',
content:
'introduce your self',
},
]
)
print(response)