Claude

Anthropic: Claude Sonnet 4.5

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anthropic/claude-sonnet-4.5

Anthropic 的均衡型 Sonnet 模型,在 SWE-bench Verified 等任务上表现优秀,适合编码、分析和通用任务,在能力、速度和成本之间取得较好平衡。

1M context window
64K max output tokens
Released: 2025-09-29
Protocols:OpenAIAnthropic
Capabilities:VisionFunction CallingReasoningPrompt CachingPDF Input

PricingRate 0.15x

TypeHaoAI PriceOfficial ReferenceRate
Input$0.45/M$3/M0.15x · 85% savings
Output$2.25/M$15/M0.15x · 85% savings
Cache read$0.045/M$0.3/M0.15x · 85% savings
Cache write$0.563/M$3.75/M0.15x · 85% savings
Cache write 5m$0.563/M$3.75/M0.15x · 85% savings
Cache write 1h$0.9/M$6/M0.15x · 85% savings

Code Examples

import anthropic

client = anthropic.Anthropic(
    base_url="https://api.hao.ai/anthropic",
    api_key="YOUR_HAOAI_API_KEY",
)

message = client.messages.create(
    model="anthropic/claude-sonnet-4.5",
    max_tokens=1024,
    messages=[
        {"role": "user", "content": "Hello!"}
    ],
)

print(message.content[0].text)

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