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Anthropic
Claude Opus 4.1
Claude Opus 4.1 is an updated version of Anthropic's flagship model, offering improved performance in coding, reasoning, and agentic tasks.
Quick Stats
Context
200K
Max Output
32K
Provider
Anthropic
Specs
2
Modalities
in imagein textin fileout text
Specs & List Price (per 1M tokens)
Quality
Input $15Output $75Cache read $1.5Cache write $18.75
Value
Input $7.5Output $37.5Cache read $0.75Cache write $9.375
Recommended Plan
Claude Opus 4.1 Starter Plan
Pay-as-you-go after top-up; $1 free credit for new users.
API Endpoint
Model ID
anthropic/claude-opus-4.1cURL
curl https://intertoken.ai/v1/chat/completions \
-H "Authorization: Bearer $TOKENPORTAL_API_KEY" \
-H "Content-Type: application/json" \
-d '{
"model": "anthropic/claude-opus-4.1",
"messages": [{"role": "user", "content": "Hello!"}]
}'Python (openai SDK)
from openai import OpenAI
client = OpenAI(
base_url="https://intertoken.ai/v1",
api_key="$TOKENPORTAL_API_KEY",
)
resp = client.chat.completions.create(
model="anthropic/claude-opus-4.1",
messages=[{"role": "user", "content": "Hello!"}],
)
print(resp.choices[0].message.content)Start using this model
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