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Claude Opus 5.5

anthropic/claude-opus-5.5·Created Oct 5, 2026
Chat with model

Anthropic's most capable model for complex reasoning, agentic coding and long-horizon tasks. Excels at multi-step tool use and deep analysis.

Context
1M tokens
Max output
64K tokens
Input price
$5 / M tokens
Output price
$25 / M tokens
Input
text, Image
Output
text
Requests (7d)
0
Tokens (7d)
0

API

ProfusAPI is OpenAI-compatible. Use your API key from Keys and set the model to anthropic/claude-opus-5.5.

from openai import OpenAI

client = OpenAI(
    base_url="https://profusapi.com/api/v1",
    api_key="<PROFUSAPI_API_KEY>",
)

completion = client.chat.completions.create(
    model="anthropic/claude-opus-5.5",
    messages=[{"role": "user", "content": "What is the meaning of life?"}],
)
print(completion.choices[0].message.content)