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Models
grok-4-fast-reasoningazure
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Context Length
131K
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Max Output
131K
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Input Cost
$0.20/M
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Output Cost
$0.50/M
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Mode
Chat
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Max Input Tokens
131K
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Max Tokens
131K
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Provider
Azure
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Tool Choice
Yes
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Response Schema
Yes
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Comparison Insights
Comprehensive analysis based on the latest model metadata from the comparison table above.
What should I know about grok-4-fast-reasoning?
Overview
- grok-4-fast-reasoning is a chat model provided by Azure.
- With a context window of 131K tokens, this model can handle substantial inputs such as detailed documents or extended conversation histories.
Pricing
- Input processing costs $0.20 per million tokens.
- Output generation costs $0.50 per million tokens.
Output Capabilities
- The model can generate up to 131K tokens in a single response.
What capabilities does grok-4-fast-reasoning support?
- Supports function calling, enabling integration with external tools and APIs for extended functionality.
- Provides web search integration for accessing real-time information and current data.
- Allows explicit tool selection, giving developers fine-grained control over function execution.
- Supports structured response schemas for consistent, predictable output formatting.
grok-4-fast-reasoning Pricing Overview
At $0.20 per 1M input tokens and $0.50 per 1M output tokens, grok-4-fast-reasoning ranks 556 out of 2182 chat models by input cost. It is more affordable compared to the median of $0.55 for chat models, and is cheaper than 67% of models in this category.