Claude Sonnet 4.5 Thinking
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Claude Sonnet 4.5 Thinking

claude-sonnet-4-5-think
Anthropic
Sonnet 4.5 is the best model in the world for agents, coding, and computer usage. It is also our most accurate and detailed model for long-running tasks, with enhanced knowledge in coding, finance, and cybersecurity. This model supports a thinking parameter to enable thinking requests in Claude mode.

Pricing

TierPricingCache ReadWeb SearchCache Write 5 MinutesCache Write 1 Hour
Input<=200K
$3$15
$0.3/M tokens$0.01/request$3.75/M tokens$6/M tokens
200K<Input
$4$15
$0.4/M tokens$0.01/request$5/M tokens$8/M tokens

Input Modalities

  • Text
  • Vision
  • PDF

Output Modalities

  • Text

Context length

  • 200K tokens

Max output

  • 64K tokens

Capabilities

  • Thinking
  • Streaming
  • Tool calling
  • Web search
  • URL context
  • Code interpreter
  • Computer use
  • File search
  • Memory tool
  • Structured outputs
  • Citations
  • Prompt caching
  • Background mode
  • Server-side sessions

Try this model

Python
import os
from openai import OpenAI

client = OpenAI(
    api_key=os.environ["AIHUBMIX_API_KEY"],
    base_url="https://shkq.org/v1",
)

response = client.chat.completions.create(
    model="claude-sonnet-4-5-think",
    messages=[
      {
        "role": "user",
        "content": "Hello, how are you?"
      }
    ],
    max_tokens=1024,
    stream=False,
)

print(response.choices[0].message.content)

Frequently asked questions

What is Claude Sonnet 4.5 Thinking?

Sonnet 4.5 is the best model in the world for agents, coding, and computer usage. It is also our most accurate and detailed model for long-running tasks, with enhanced knowledge in coding, finance, and cybersecurity. This model supports a thinking parameter to enable thinking requests in Claude mode.