Models: Anthropic

See also

• Guide → Providers: guide/providers.md
• Architecture → Provider Abstraction: architecture/provider-abstraction.md#provider-mapping

alloy.models.anthropic

AnthropicBackend

Bases: ModelBackend

Anthropic Claude backend.

Usage

export ANTHROPIC_API_KEY=...
export ALLOY_MODEL=claude-sonnet-4-20250514
# Tip: Anthropic requires max_tokens; Alloy uses 512 if unset