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C

Claude Opus 5.5

AnthropicModel IDclaude-opus-5-5
C

Claude Opus 5.5

AnthropicModel IDclaude-opus-5-5

Claude Opus 5.5 is Anthropic's flagship model for demanding reasoning, coding, and long-horizon agentic work, succeeding Claude Opus 5. It is particularly strong at multi-step changes in large codebases, code review and bug finding, financial and scientific analysis, and reading dense charts, diagrams, and screenshots, and it is more careful than its predecessor about only stating figures and citing sources it can back up.

ModeText → Text
Input price$4 / 1M tokens
Output price$20 / 1M tokens
Context length1M tokens

Capabilities & limits

Use cases
Not available
Model capabilities
Not available
Model Brand
Anthropic
Input modality
Text
Output modality
Text
Max output
128K tokens

Pricing

ProviderBilling typePrice summary
C
Anthropic-Custom
Per token
Input price$4per 1M tokens
Completion price$20per 1M tokens
Cache read price$0.2per 1M tokens
Cache write price$5per 1M tokens
C
Anthropic-Balanced
Per token
Input price$4per 1M tokens
Completion price$20per 1M tokens
Cache read price$0.2per 1M tokens
Cache write price$5per 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-opus-5-5",
    "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.