Claude Sonnet 4.5

64K contextFree inputFree output

anthropic/claude-sonnet-4-5-20250929

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-sonnet-4-5-20250929",
    "messages": [{"role": "user", "content": "Hello!"}]
  }'

Modalities

Input: TextInput: ImageOutput: Text

Pricing

InputFree

OutputFree

Context64K tokens

Model Info

Provideranthropic

IDanthropic/claude-sonnet-4-5-20250929

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