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Anthropic

Use Claude Opus 4, Claude Sonnet 4, and other Anthropic models.

Setup

  1. Get an API key at console.anthropic.com/settings/keys
  2. In Pawz → Settings → ModelsAdd ProviderAnthropic
  3. Paste your API key

Configuration

SettingDefault
Base URLhttps://api.anthropic.com/v1
API keyRequired
Default model

Models

ModelBest for
claude-opus-4-20250514Most capable, complex tasks
claude-sonnet-4-20250514Great balance of speed and quality
claude-haiku-4-20250506Fastest, cheapest
claude-3-haiku-20240307Legacy fast model

Prefix routing

Model names starting with claude* or anthropic* auto-route to Anthropic.

Notes

Anthropic uses a custom API format (not OpenAI-compatible). Pawz has a dedicated AnthropicProvider implementation that handles the differences automatically, including:
  • Message format conversion
  • Tool use format
  • Streaming delta handling
  • Extended thinking support