Question 1

What is the cost of Claude Sonnet 4.6 by Vertex?

Accepted Answer

Claude Sonnet 4.6 by Vertex costs $3.00 per 1M input tokens and $15.00 per 1M output tokens. Cached reads cost $0.30 per 1M tokens. Cache writes cost $3.75 per 1M tokens.

Question 2

What is the context window of Claude Sonnet 4.6 by Vertex?

Accepted Answer

Claude Sonnet 4.6 by Vertex has a context window of 1.0M tokens. It supports up to 1.0M input tokens and can generate up to 128K output tokens.

Question 3

What are the capabilities of Claude Sonnet 4.6 by Vertex?

Accepted Answer

Claude Sonnet 4.6 by Vertex supports advanced reasoning, tool calling/function calling, adjustable temperature, file attachments. It has closed weights.

Question 4

What input and output types does Claude Sonnet 4.6 support?

Accepted Answer

Claude Sonnet 4.6 by Vertex accepts text, image, pdf as input and can generate text as output.

Question 5

Does Claude Sonnet 4.6 by Vertex support reasoning?

Accepted Answer

Yes, Claude Sonnet 4.6 by Vertex supports advanced reasoning capabilities.

Question 6

Is Claude Sonnet 4.6 by Vertex open source?

Accepted Answer

No, Claude Sonnet 4.6 by Vertex has closed weights. The model is only available through the Vertex API.

Question 7

Does Claude Sonnet 4.6 support function calling?

Accepted Answer

Yes, Claude Sonnet 4.6 by Vertex supports tool calling (also known as function calling), allowing it to interact with external tools and APIs during conversations.

Question 8

What is the knowledge cutoff date for Claude Sonnet 4.6?

Accepted Answer

Claude Sonnet 4.6 by Vertex has a knowledge cutoff date of 2025-08-31. This means the model was trained on data available up until that date.

Claude Sonnet 4.6 API

Input Modalities

Output Modalities

Standard (per 1M tokens)

Caching (per 1M tokens)