# Grok-4.1 Fast Reasoning

xAI

## Model Information

- **Organization**: [xAI](/llm.txt)
- **Slug**: grok-4-1-fast-reasoning
- **Available at Providers**: 18
- **Release Date**: November 17, 2025

## Providers

| Provider | Name | $ Input (per 1M) | $ Output (per 1M) | Free | Link |
|----------|------|-----------------|------------------|------|------|
| [AIHubMix](/llm/aihubmix.txt) | grok-4-1-fast-reasoning | 0.20 | 0.50 |  | [View](https://aihubmix.com/model/grok-4-1-fast-reasoning) |
| [AIMLAPI](/llm/aimlapi.txt) | Grok 4.1 Fast Reasoning |  |  |  |  |
| [Helicone](/llm/helicone.txt) | xAI Grok 4.1 Fast Reasoning | 0.20 | 0.50 |  | [View](https://www.helicone.ai/model/grok-4-1-fast-reasoning) |
| [Nano-GPT](/llm/nanogpt.txt) | Grok 4.1 Fast Reasoning |  |  |  |  |
| [Poe](/llm/poe.txt) | Grok-4.1-Fast-Reasoning | 0.20 | 0.50 |  | [View](https://poe.com/grok-4.1-fast-reasoning/api) |
| [Requesty](/llm/requesty.txt) |  | 0.20 | 0.50 |  |  |
| [Vercel AI Gateway](/llm/vercel.txt) | Grok 4.1 Fast Reasoning | 0.20 | 0.50 |  |  |
| [Yupp](/llm/yupp.txt) | Grok 4.1 Fast Reasoning Online (XAI) |  |  |  |  |
| [Atlas Cloud](/llm/atlascloud.txt) | Grok 4.1 Fast Reasoning | 0.16 | 0.40 |  | [View](https://www.atlascloud.ai/models/xai/grok-4.1-fast-reasoning) |
| [302.AI](/llm/302ai.txt) | grok-4-1-fast-reasoning | 0.20 | 0.50 |  | [View](https://302ai-en.apifox.cn/api-224540600) |
| [Arena AI](/llm/arenaai.txt) |  |  |  |  |  |
| [Jiekou.AI](/llm/jiekou.txt) | grok-4-1-fast-reasoning | 0.18 | 0.45 |  |  |
| [Junie](/llm/junie.txt) | grok-4-1-fast-reasoning |  |  |  |  |
| [Qiniu](/llm/qiniuai.txt) | X-Ai/Grok 4.1 Fast Reasoning |  |  |  |  |
| [ApiYI](/llm/apiyi.txt) | grok-4-1-fast-reasoning |  |  |  |  |
| [Airforce API](/llm/airforce.txt) | grok-4.1-fast-reasoning |  |  |  |  |
| [CommonStack](/llm/commonstack.txt) | xAI: Grok 4.1 Fast reasoning | 0.20 | 0.50 |  |  |
| [LLM Stats](/llm/llmstats.txt) | Grok-4.1 Fast Reasoning |  |  |  |  |

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