Anthropic: Claude Opus 5.5

Overview

Anthropic: Claude Opus 5.5 is a high-performance model from OpenRouter with a 1M context window, supporting vision understanding, function calling. Priced at $0.0040/1K input, $0.020/1K output.

ANT Routing Intelligence

Limited routing data available for Anthropic: Claude Opus 5.5. Intelligence insights will appear as more requests are routed through ANT.

Quick Start

from openai import OpenAI

client = OpenAI(
    base_url="https://api.antbase.ai/v1",
    api_key="YOUR_ANT_API_KEY",
)

response = client.chat.completions.create(
    model="anthropic/claude-opus-5.5",
    messages=[{"role": "user", "content": "Hello!"}]
)
print(response.choices[0].message.content)

Try it or ask an AI