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Grok 4.1 Fast Reasoning (Azure AI Foundry)
xai·xai/grok-4-1-fast-reasoning-2·GA·Closed·grok series
Fast Grok model for responsive chat, reasoning, and tool-assisted work
At a glance
Reference price$0.20 / $0.50 per 1M
Cache read — · LLM Gateway
Lowest paid$0.20 / $0.50
LLM Gateway Gateway
Context2,000,000
Output limit30,000
Capabilities
✓ Reasoning✓ Tool useStructured output✓ Temperature✓ Attachments
Modalities
TextImage
Knowledge cutoff—
Released / updated2025-11-19 / 2025-11-19
Quality & performance
Artificial Analysis doesn't cover this model (267 of 2059 have data). Quality data comes from independent evals covering widely used models.
Available at 1 providers1 with public prices
| Provider | Tier | Input | Output | Cache read | Cache write | Context | Output limit | Status |
|---|---|---|---|---|---|---|---|---|
| LLM Gateway azure-ai-foundry/grok-4-1-fast-reasoning | Gateway | $0.20 | $0.50 | — | — | 2,000,000 | 30,000 |
Sorted by blended price (input×0.75 + output×0.25) asc. The official channel always shows regardless of rank. Whether a gateway's low price is actually usable can't be verified.
Your usage cost
1LLM Gateway$65.00
The cheapest paid channel is the only channel.
Benchmark
No upstream benchmark data for this model. For quality, see the Artificial Analysis intelligence score above.
Reasoning control
effort = loweffort = mediumeffort = high
Related models
Grok 4.6same series$2.00 / $6.00Grok 4.6 (xAI)same series$2.00 / $6.00Grok 4.6 (AWS Bedrock)same series$2.00 / $6.00Qwen Pluscheaper alternative$0.115 / $0.287Qwen3.7 Flashcheaper alternative$0.03 / $0.118Qwen Flashcheaper alternative$0.022 / $0.216Qwen Turbocheaper alternative$0.044 / $0.087
Price historyone sample accumulated per data sync
Input listOutput listMin blended