FFree
AnthropicClosed Weights

Claude Opus 4

anthropic/claude-opus-4

Best Input Price

$15.00 / 1M

Flagship Claude model for deep reasoning, coding, and long-horizon agents

Context Window

200,000 tokens

Reasoning

Supported

Tool Calling

Supported

Released

2025-05-22

Inference Providers (5)

ProviderModel IDContextInput / 1MOutput / 1MAction
Vercel AI Gatewayanthropic/claude-opus-4200,000$15.00$75.00Docs ↗
Vertex (Anthropic)claude-opus-4@20250514200,000$15.00$75.00Docs ↗
Merge Gatewayanthropic/claude-opus-4-20250514200,000$15.00$75.00Docs ↗
SAP AI Coreanthropic--claude-4-opus200,000$15.00$75.00Docs ↗
Vertexclaude-opus-4@20250514200,000$15.00$75.00Docs ↗