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C

Claude Sonnet 4.5

AnthropicModel IDclaude-sonnet-4-5
C

Claude Sonnet 4.5

AnthropicModel IDclaude-sonnet-4-5

Claude Sonnet 4.5 is Anthropic’s flagship agent and coding model built for production-grade complex workflows, delivering top-tier performance on computer use, software engineering, cybersecurity and document analysis. It features a 200K standard context window with 1M token beta context option and supports text and image inputs, enabling long-running multi-step agents, advanced tool chaining and autonomous desktop automation.

ModeText / Image → Text
Input price$3 / 1M tokens
Output price$15 / 1M tokens
Context length200K tokens

Capabilities & limits

Use cases
Not available
Model capabilities
Not available
Model Brand
Anthropic
Input modality
Text / Image
Output modality
Text
Max output
64K tokens

Pricing

ProviderBilling typePrice summary
C
Anthropic-Custom
Per token
Input price$3per 1M tokens
Completion price$15per 1M tokens
Cache read price$0.3per 1M tokens
Cache write price$3.75per 1M tokens
C
Anthropic-Balanced
Per token
Input price$3per 1M tokens
Completion price$15per 1M tokens
Cache read price$0.3per 1M tokens
Cache write price$3.75per 1M tokens

Integration

Code Example

curl http://127.0.0.1:4179/v1/chat/completions \
  -H "Authorization: Bearer <YOUR_API_KEY>" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "claude-sonnet-4-5",
    "messages": [
      {
        "role": "user",
        "content": "Hello"
      }
    ]
  }'

Replace <YOUR_API_KEY> with the API key generated on your token management page.

Authentication

All requests must include the Authorization: Bearer <TOKEN> header.

Endpoint Path

POST
openai

Supported Parameters

ParameterTypeDefaultDescription
string-
string-
string-
string-
string-
string-
string-
string-
string-

Rate Limits

RPM

No rate limits configured

RPM = requests per minute.