RouterLab
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Publisher : AnthropicFamily : ClaudeAvailableNo subscription

Claude Sonnet 5 API

Model ID : claude-sonnet-5

Model ID

claude-sonnet-5

Claude Messages API

Context window

1,000,000 tokens

Maximum output

128,000 tokens

Input / 1M tokens

2.00 USD

Output / 1M tokens

10.00 USD

Cache read / 1M tokens

$0.20

Cache write / 1M tokens

$2.50

Cache reads reuse stored tokens; cache writes create the provider cache.

Access to this model

Authorized plans : bronze, gold, silver, pro, business

This model is also available with credits without a subscription.

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Published capabilities

  • Vision
  • Tool calling
  • Structured
  • Reasoning

Minimal request

curl https://api.routerlab.ch/v1/messages \
  -H "x-api-key: $ROUTERLAB_API_KEY" \
  -H "anthropic-version: 2023-06-01" \
  -H "Content-Type: application/json" \
  -d '{"model":"claude-sonnet-5","max_tokens":128,"messages":[{"role":"user","content":"Hello RouterLab"}]}'