Grok-4 Fast Non-Reasoning
xAIgrok-4-fast-non-reasoningVariant
Overview
Pushing the Frontier of Cost-Efficient Intelligence. Grok-4 Fast Non-Reasoning uses no thinking tokens for immediate responses, making it faster while maintaining high quality.
Grok-4 Fast Non-Reasoning was released on August 28, 2025. API access is available through xAI.
Performance
Timeline
Release DateUnknown
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Other Details
Parameters
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License
Proprietary
Training Data
Unknown
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Pricing
Pricing, performance, and capabilities for Grok-4 Fast Non-Reasoning across different providers:
| Provider | Input ($/M) | Output ($/M) | Max Input | Max Output | Latency (s) | Throughput | Quantization | Input | Output |
|---|---|---|---|---|---|---|---|---|---|
xAI | $0.20 | $0.50 | 2.0M | 30.0K | — | 90 tok/s | — | Text Image Audio Video | Text Image Audio Video |
Example Outputs
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API Access
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FAQ
Common questions about Grok-4 Fast Non-Reasoning
Grok-4 Fast Non-Reasoning was released on August 28, 2025.