# Grok 4.1 Fast

14 Hacker News commenters recommended Grok 4.1 Fast and 5 criticized it, November 2025 to November 2026. It was recommended in 7 of 13 months. It meets the Hacker Approved badge rule.

**Verdict:** Cheap xAI language model API that people find capable for research and everyday tasks. Caveat: requests were silently rerouted to Grok 4.3 at higher prices.

## Why people recommend it

- Low price for its capability (3 comments): "grok 4.1 fast is around 10x cheaper but performs slightly better" ([source](https://news.ycombinator.com/item?id=46823360)) "Grok 4.1 Fast is really good and only $0.20." ([source](https://news.ycombinator.com/item?id=46763219)) "it was a really capable model for the money" ([source](https://news.ycombinator.com/item?id=48038905))
- Strong for research tasks (2 comments): "Grok 4.1 Fast is the cheapest way to do research on X" ([source](https://news.ycombinator.com/item?id=48038524)) "for researching stuff it is incredible" ([source](https://news.ycombinator.com/item?id=47270998))
- Consistently good on real tasks (2 comments): "one of the top models for a long time, especially in real world usage" ([source](https://news.ycombinator.com/item?id=47165409)) "It is consistently good at this task though!" ([source](https://news.ycombinator.com/item?id=47801403))

## What people warn about

- Requests silently rerouted, price rising (2 comments): "they silently rerouted it to 4.3 and just started charging more" ([source](https://news.ycombinator.com/item?id=48577572)) "Requests to grok-4-1-fast-non-reasoning now silently route to grok-4.3" ([source](https://news.ycombinator.com/item?id=48443740))
- Poor results in some tests (2 comments): "the results are mild to put it kindly" ([source](https://news.ycombinator.com/item?id=47024383)) "Grok-4.1-Fast falls to bits" ([source](https://news.ycombinator.com/item?id=46550260))

## Alternatives hackers recommend

- [Mistral](https://hackerapproved.com/p/mistral-large-4.md): 314 recommend
- [DeepSeek API](https://hackerapproved.com/p/deepseek-api.md): 171 recommend
- [OpenAI API](https://hackerapproved.com/p/openai-models.md): 166 recommend
- [Anthropic API](https://hackerapproved.com/p/anthropic-api.md): 58 recommend
- [System One Models by TypeSafe](https://hackerapproved.com/p/system-one-models.md): 37 recommend

## Where to get it

- [Visit the official site](https://x.ai/)

## Cite as

Hacker Approved, "Grok 4.1 Fast", https://hackerapproved.com/p/grok-4-1-fast/ (counts from 1,795,640 Hacker News comments, November 2025 to November 2026).