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  5. Grok 4.1 FastvsQwen3.6 Flash
Updated Apr 2026

Grok 4.1 FastvsQwen3.6 Flash

Qwen3.6 Flash is the newer model, released after Grok 4.1 Fast.

Grok 4.1 Fast and Qwen3.6 Flash compared across 54 shared prompts
SpecGrok 4.1 FastQwen3.6 Flash
Input price—$0.25/M tokens
Output price—$1.5/M tokens
Context window—1.0M tokens
Weights—Open
Free API (OpenRouter)NoNo
ReleasedNov 2025Apr 2026
Our Verdict
Grok 4.1 Fast
Grok 4.1 Fast
Qwen3.6 Flash
Qwen3.6 FlashRunner-up

Not enough votes to call it. On the specs, Grok 4.1 Fast has the edge: bigger model tier, major provider backing.

Too close to call
API pricing

Cost per 1M tokens

Grok 4.1 Fast
Input
—
Output
—
Qwen3.6 Flash
Input
$0.25
Output
$1.50
Where to run it

1 host

Grok 4.1 Fast

No hosts listed on OpenRouter.

Qwen3.6 Flash1 host
HostInOutContextUptime
Alibaba Cloud$0.19 in·$1.13 out·1M·100% up

Per million tokens. Prices and uptime via OpenRouter, checked 8 Sep 2026.

Writing DNA

Style Comparison

Similarity
68%

Grok 4.1 Fast uses 2.8x more transitions

Grok 4.1 Fast
Qwen3.6 Flash
69%Vocabulary57%
15wSentence Length23w
0.20Hedging0.31
4.3Bold4.6
3.6Lists2.9
0.97Emoji1.37
0.90Headings0.68
0.12Transitions0.04
Based on 28 + 27 text responses
Research

What we learned reading every model

FAQ

Common questions

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