Xai/Grok 4.1 Fast Reasoning
Xai/Grok 4.1 Fast Reasoning is available via Google Vertex AI with a 2M context window and up to 2,000,000 output tokens. Pricing: $0.2000/1M input tokens, $0.5000/1M output tokens.
Xai/Grok 4.1 Fast Reasoning Pricing & Specifications
What is Xai/Grok 4.1 Fast Reasoning?
Xai/Grok 4.1 Fast Reasoning is a large language model by Google Vertex AI with a 2M context window and up to 2,000,000 output tokens. It costs $0.20 per 1M input tokens and $0.50 per 1M output tokens. Xai/Grok 4.1 Fast Reasoning is available via Google Vertex AI with a 2M context window and up to 2,000,000 output tokens. Pricing: $0.2000/1M input tokens, $0.5000/1M output tokens.
Capabilities
text vision function calling reasoning web search json mode
Xai/Grok 4.1 Fast Reasoning Cost Examples
Short prompt (500 tokens)
$0.000100
Medium prompt (2K tokens)
$0.00040
Long output (4K tokens)
$0.00200
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Frequently Asked Questions
How much does Xai/Grok 4.1 Fast Reasoning cost per token? +
Xai/Grok 4.1 Fast Reasoning costs $0.20 per 1M input tokens and $0.50 per 1M output tokens. For a typical 1,000-token request with a 500-token response, that works out to roughly $0.000450.
What is the context window for Xai/Grok 4.1 Fast Reasoning? +
Xai/Grok 4.1 Fast Reasoning supports a context window of 2,000,000 tokens (2M). This determines the maximum combined length of your prompt and conversation history in a single API call.
What is the maximum output length for Xai/Grok 4.1 Fast Reasoning? +
Xai/Grok 4.1 Fast Reasoning can generate up to 2,000,000 tokens in a single response. If you need longer outputs, you can make multiple API calls and concatenate the results.
Is Xai/Grok 4.1 Fast Reasoning good for coding tasks? +
Yes, Xai/Grok 4.1 Fast Reasoning supports capabilities well-suited for coding tasks including code generation, debugging, and refactoring.