Grok 4 Fast (Non-reasoning)
AI model by xAI. Real-time pricing and benchmark data.
Benchmarks
Editorial Analysis
Profile. Grok 4 Fast (Non-reasoning) is a budget-tier option from xAI at $0.50/M output tokens. Despite the low price, it scores competitively on measurable benchmarks — making it a candidate for high-volume production workloads where unit cost dominates.
Cost model. For a workload of 1M input tokens + 100K output tokens, Grok 4 Fast (Non-reasoning) costs $0.25 per million input-equivalent requests. Multiply by your monthly request volume to project the bill, and compare against the speed/correctness profile above to decide if the trade-off is worth it for your workload.
Editorial summary generated from public pricing and benchmark data (Artificial Analysis API). All numbers are sourced — see the Artificial Analysis methodology for benchmark definitions. Last refreshed 2026-08-24.
Compare with similar models
| Model | Input | Output | Speed |
|---|---|---|---|
Grok 4 Fast (Non-reasoning)Current | $0.20 | $0.50 | — |
| Phi-4 | $0.13 | $0.50 | 39 tok/s |
| Qwen2.5 Instruct 72B | $0.47 | $0.49 | — |
| Hy3 | $0.14 | $0.55 | 67 tok/s |
| Llama 3.1 Instruct 70B | $0.56 | $0.56 | 55 tok/s |
| Ring-flash-2.0 | $0.14 | $0.57 | — |