Claude Opus 4.5

64K context$0.50/M input$2.50/M output

anthropic/claude-opus-4-5-20251101

Description

Claude Opus 4.5 is Anthropic’s frontier reasoning model optimized for complex software engineering, agentic workflows, and long-horizon computer use. It offers strong multimodal capabilities, competitive performance across real-world coding and...

Quick Start

curl https://router.tangle.tools/v1/chat/completions \
  -H "Authorization: Bearer $TANGLE_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "anthropic/claude-opus-4-5-20251101",
    "messages": [{"role": "user", "content": "Hello!"}]
  }'

Modalities

Input: TextInput: ImageOutput: Text

Pricing

Input$0.50/M

Output$2.50/M

Context64K tokens

Model Info

ProviderAnthropic

IDanthropic/claude-opus-4-5-20251101

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