GPT-4.1 MinivsGrok 3 Thinking
GPT-4.1 Mini has a larger context window than Grok 3 Thinking (1.0M tokens vs 128K tokens).
| Spec | GPT-4.1 Mini | Grok 3 Thinking |
|---|---|---|
| Input price | $0.4/M tokens | — |
| Output price | $1.6/M tokens | — |
| Context window | 1.0M tokens | 128K tokens |
| Weights | Closed | — |
| Free API (OpenRouter) | No | — |
| Released | Apr 2025 | Feb 2025 |
Our Verdict
GPT-4.1 Mini
Grok 3 Thinking
Not enough votes to call it. On the specs, nothing separates them.
Too close to call
Reviewing agent-written code?See a Brief PR report
API pricing
Cost per 1M tokens
GPT-4.1 Mini
Input
$0.40
Output
$1.60
Grok 3 Thinking
Input
—
Output
—
Where to run it
2 hosts
GPT-4.1 Mini2 hosts
Grok 3 Thinking
No hosts listed on OpenRouter.
Per million tokens. Prices and uptime via OpenRouter, checked 12 Sep 2026.
Writing DNA
Style Comparison
Similarity
36%
GPT-4.1 Mini uses 65.5x more emoji
GPT-4.1 Mini
Grok 3 Thinking
62%Vocabulary46%
18wSentence Length19w
0.40Hedging1.11
4.1Bold3.3
4.3Lists2.6
0.66Emoji0.00
0.68Headings0.64
0.14Transitions0.25
Based on 27 + 6 text responses
Research
What we learned reading every model
FAQ
Common questions
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