Question 1

What is the cost of Grok 4.5 by GitHub Copilot?

Accepted Answer

Grok 4.5 by GitHub Copilot costs $2.00 per 1M input tokens and $6.00 per 1M output tokens. Cached reads cost $0.50 per 1M tokens.

Question 2

What is the context window of Grok 4.5 by GitHub Copilot?

Accepted Answer

Grok 4.5 by GitHub Copilot has a context window of 500K tokens. It supports up to 372K input tokens and can generate up to 128K output tokens.

Question 3

What are the capabilities of Grok 4.5 by GitHub Copilot?

Accepted Answer

Grok 4.5 by GitHub Copilot supports advanced reasoning, tool calling/function calling, structured output, adjustable temperature, file attachments. It has closed weights.

Question 4

What input and output types does Grok 4.5 support?

Accepted Answer

Grok 4.5 by GitHub Copilot accepts text, image as input and can generate text as output.

Question 5

Does Grok 4.5 by GitHub Copilot support reasoning?

Accepted Answer

Yes, Grok 4.5 by GitHub Copilot supports advanced reasoning capabilities.

Question 6

Is Grok 4.5 by GitHub Copilot open source?

Accepted Answer

No, Grok 4.5 by GitHub Copilot has closed weights. The model is only available through the GitHub Copilot API.

Question 7

Does Grok 4.5 support function calling?

Accepted Answer

Yes, Grok 4.5 by GitHub Copilot supports tool calling (also known as function calling), allowing it to interact with external tools and APIs during conversations.

Grok 4.5 API

Input Modalities

Output Modalities

Standard (per 1M tokens)

Caching (per 1M tokens)