Claude Sonnet 5.5

Claude Sonnet 5.5 API pricing, supported protocols, and request examples on API Hop.

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Model ID: claude-sonnet-5-5
Publisher: Anthropic
Availability: Available
Protocols: Chat Completions, Messages

Pricing and billing

Compare APIs

Official price

Input: $2.0000 /M
Output: $10.0000 /M
Cache input: $0.1000 /M
Cache write (5m): $2.5000 /M
Cache write (1h): $4.0000 /M

API Hop price Save 45%

Input: $1.1000 /M
Output: $5.5000 /M
Cache input: $0.0550 /M
Cache write (5m): $1.3750 /M
Cache write (1h): $2.2000 /M

Reference price - not independently verified. Check the publisher's current rates, billing units and applicable terms before comparing costs.

API requests

API documentation

Requests use your API key and account balance. Model access is determined by your API key; check GET /v1/models before sending a paid request.

Chat Completions

POST /v1/chat-completions

curl --request POST 'https://api.apihop.ai/v1/chat-completions' \
  --header "Authorization: Bearer $APIHOP_API_KEY" \
  --header 'Content-Type: application/json' \
  --data '{
  "model": "claude-sonnet-5-5",
  "messages": [
    {
      "role": "user",
      "content": "Hello, introduce yourself in one sentence."
    }
  ],
  "stream": false
}'

Messages

POST /anthropic/v1/messages

curl --request POST 'https://api.apihop.ai/anthropic/v1/messages' \
  --header "Authorization: Bearer $APIHOP_API_KEY" \
  --header 'Content-Type: application/json' \
  --header 'anthropic-version: 2023-06-01' \
  --data '{
  "model": "claude-sonnet-5-5",
  "messages": [
    {
      "role": "user",
      "content": "Hello, introduce yourself in one sentence."
    }
  ],
  "stream": false,
  "max_tokens": 4096
}'