Anthropic Claude Sonnet 5.5 — 速度与智能的最佳平衡。1M 上下文 · 128K 输出 · Adaptive thinking(默认 effort=high)。
Model ID: claude-sonnet-5-5 · Type: chat · Provider: Anthropic
Endpoints: /v1/messages · /v1/chat/completions · /v1/responses
| Input (per 1M tokens) | $2 USD |
| Output (per 1M tokens) | $10 USD |
| Cache read (per 1M tokens) | $0.2 USD |
| Cache write 5m (per 1M tokens) | $2.5 USD |
| Cache write 1h (per 1M tokens) | $4 USD |
from openai import OpenAI
client = OpenAI(api_key="sk-...", base_url="https://api.router.ai/v1")
resp = client.chat.completions.create(
model="claude-sonnet-5-5",
messages=[{"role": "user", "content": "Hello"}],
)
print(resp.choices[0].message.content)Claude Sonnet 5.5 (`claude-sonnet-5-5`) is billed per usage at $2/1M in · $10/1M out, in USD. Current pricing is always listed at https://opencrow.ai/models/claude-sonnet-5-5.
Send a request to https://api.router.ai/v1/v1/messages with the header `Authorization: Bearer <your API key>` and `"model": "claude-sonnet-5-5"`. The API is OpenAI-compatible, so any OpenAI SDK works by changing base_url to https://api.router.ai/v1 — no other code change.
Claude Sonnet 5.5 can be called on: /v1/messages; /v1/chat/completions; /v1/responses.
Claude Sonnet 5.5 accepts up to 1,000,000 input tokens and can return up to 128,000 output tokens. Requests exceeding the input limit are rejected before reaching the model.
Claude Sonnet 5.5 supports: vision, function_calling, prompt_caching.
Claude Sonnet 5.5 is a chat model from Anthropic, available through the OpenCrow gateway with the same API key as every other model.
Call it through the OpenCrow OpenAI-compatible endpoint (API base: https://api.router.ai/v1). AI agents can browse the catalog and call any text model through MCP (https://mcp.router.ai/mcp); for image, video and other modalities use the API above.