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Anthropic
Claude Opus 5.5
Claude Opus 5.5 是 Anthropic 于 2026 年 9 月 22 日发布的 Claude 5.5 系列旗舰模型，在多数任务上达到 Claude Fable 5.1 水平，运行成本比 Opus 5 低 40%。专为长时间运行的 agentic 编码与知识工作打造，擅长代码库级迁移、审计与复杂软件工程，输出速度比 Opus 5 快 30% 以上；具备更强的提示注入抵御能力和对齐安全性，表达更清晰自然。
Quick Stats
Context
1000K
Max Output
128K
Provider
Anthropic
Specs
1
Modalities
in textin imageout text
Specs & Platform Price (per 1M tokens)
Value
Input $2Output $10Cache read $0.1Cache write 5m $2.5Cache write 1h $4
Recommended Plan
Claude Opus 5.5 Starter Plan
Pay-as-you-go after top-up; $1 free credit for new users.
API Endpoint
Model ID
anthropic/claude-opus-5.5cURL
curl https://intertoken.ai/v1/chat/completions \
-H "Authorization: Bearer $TOKENPORTAL_API_KEY" \
-H "Content-Type: application/json" \
-d '{
"model": "anthropic/claude-opus-5.5",
"messages": [{"role": "user", "content": "Hello!"}]
}'Python (openai SDK)
from openai import OpenAI
client = OpenAI(
base_url="https://intertoken.ai/v1",
api_key="$TOKENPORTAL_API_KEY",
)
resp = client.chat.completions.create(
model="anthropic/claude-opus-5.5",
messages=[{"role": "user", "content": "Hello!"}],
)
print(resp.choices[0].message.content)Start using this model
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