a40f171ceba14d75b2bf1749904d0965

claude-sonnet-4-5-20250929

claude-sonnet-4-5-20250929
Context

N/A

Input

text, image

Output

text

Tool calling

Supported

About this model

Claude Sonnet 4.5 is Anthropic's smartest model and the flagship of the Claude 4 family, offering the best balance of intelligence, speed, and efficiency for everyday use. It excels at complex reasoning, coding, and analysis tasks.

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Input modalities

text

Accepted as model input

image

Accepted as model input

Providers

Available routing options for this model through OneInfer.

a40f171ceba14d75b2bf1749904d0965
Available

Routing

OneInfer optimized

Pricing

Current OneInfer pricing for this model.

UsagePrice

Performance

Published evaluation results associated with this model.

No benchmark data is listed for this model.

API example

Refer Documentation
curl https://api.oneinfer.ai/v1/ula/chat/completions \
  -H "Authorization: Bearer $ONEINFER_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "claude-sonnet-4-5-20250929",
    "messages": [
      { "role": "user", "content": "Hello!" }
    ]
  }'